23351 Madero, Mission Viejo, CA 92691. USA. Tel: + 1 949 859 8800 Fax: + 1 949 859 9643 Email: sales@holtic.com Web: www.holtic.com HI‐15901553BDualTransceiver WithSPIAmplitudeControl EvaluationBoard UserGuide October,2014 AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 INTRODUCTION The Holt HI‐1590 Evaluation Board demonstrates features of the HI‐1590 MIL‐STD‐1553B dual transceiver IC. This device transmits and receives Manchester encoded 20 bit MIL‐STD‐1553B serial data suitable bus transformers. Transceiver drive amplitude can be digitally adjusted from 0 to 26 Vp‐p through the SPI interface. Adjustment can also be made with a 0 to 3.3VDC analog control signal; a potentiometer is provided for this. Amplitude controls for both buses are ganged together. In SPI mode, a low range option allows for more accurate amplitude adjustment from 0 to 4.9 Vp‐p. The board runs from a single 3.3V ±5% supply voltage. A MIL‐ STD‐1553B protocol message generator and receiver are included on the board to demonstrate the HI‐1590 features. The EVM (Evaluation Module) includes a microcontroller that generates the SPI messages, the interface is through a terminal emulator connected to a PC through the USB interface. The EVM is shown in the picture below: Fig 1 – HI‐1590 Evaluation Board AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 This guide summarizes how to set up and running quickly. KITCONTENTS This User Guide HI‐1590 Evaluation Board Mini USB Serial Cable. BoardBlockDiagram 3.3V Supply ANALOG CONTROL VCONT RUN RESET Message A Transceiver A 1553B Message Generator ACTIVE EEPROM 1 BUSA DB2791 TRANSFORMER BUSB HI-1590 Message B BC DB2791 TRANSFORMER Transceiver B DIP SW (5) RT EEPROM 2 MC9S12XD 16 Bit MCU USB RESET Button DIP SW (4) AN‐1590, Rev. New DIP SW(6) HOLT INTEGRATED CIRCUITS 10/10/14 LEDFunctions REF NAME DEFAULT DESCRIPTION LED1 POWER ON Indicated when 3.3V power is present LED2 ACTIVE OFF Flashes at the start of a 1553 message transmit sequence REF NAME DEFAULT J4 LINK FOR POT OFF Link to use potentiometer R3 to adjust output amplitude J5 LINK FOR SPI ON Link to use SPI to adjust output amplitude J8 HOLD IN RESET OFF Holds the microcontroller in reset, for instance while using an external SPI interface. J12 BC/RT BC Connects memory for BC or RT messages LinkJumperFunctions DESCRIPTION WiredJumperFunctions(JP) REF NAME DEFAULT DESCRIPTION JP1 ON Link to use on‐board 70 Ω load on Bus B output JP8 ON Link to use on‐board 70 Ω load on Bus A output JP2, 3, 4, 5 JP4, 5 ON Option links for transformer variants, Bus B JP6, 7, 9, 10 JP6, 9 ON Option links for transformer variants, Bus A JP11 ON Connects Bus A negative output to ground JP12 ON Connects Bus B negative output to ground JP13‐16 ON Cut if using an external 1553 message generator AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 SwitchFunctions REF SW1/1 NAME DEFAULT VSEL ON DESCRIPTION Selects output control of amplitude range, using SPI. ON = SPI control 0‐24V, Low = SPI, 0‐2.4V SW1/2 TXAINH OFF Inhibits the transmitter output of transceiver A SW1/3 TXBINH OFF Inhibits the transmitter output of transceiver B SW1/4 RXAEN ON Enables the receiver of transceiver A SW1/5 RXBEN ON Enables the receiver of transceiver B SW3 RUN Press = Starts 1553 messages SW4 STOP Press = Stops 1553 messages SW5/1‐5 AUTOEN etc 01101 Message loading control (leave in default) SW6/1‐6 RT1A4:0, RT1AP 000000 RT Address (only used if RT mode available) SW7 RESET Press to reset the microcontroller and control software ConnectorFunctions REF NAME J1 BUSB 1553 Bus A connection (secondary of transformer) J2 BUSA 1553 Bus B connection (secondary of transformer) J3/ 1,2 RXA/nRXA Differential Logic signal from HI‐1590 Bus A receive data pins J3/ 3,4 RXB/nRXB Differential Logic signal from HI‐1590 Bus B receive data pins J6 Not fitted SPI interface for the EEPROMs J7 J9 USB J10 External SPI J11 Debug Header AN‐1590, Rev. New DESCRIPTION Data connector to load 1553 messages Connect to PC to send SPI commands from terminal emulator Use to connect an external SPI for HI‐1590 control Used for downloading microcontroller firmware HOLT INTEGRATED CIRCUITS 10/10/14 TestPointFunctions REF NAME DESCRIPTION TP1/TP2 BUSB 1553 Bus B connection (secondary of transformer) TP4/TP6 BUSA 1553 Bus A connection (secondary of transformer) TP3, 8,9,10 GND Board Ground TP5 VCONT Connection to measure of input analog amplitude control, note that J5 should be open. J4 should be open when inputting a voltage. TP6 UPDATE Test point for Update signal indicates when MIL‐STD‐1553B word has been received TP7 VSEL This pin monitors voltage on the VSEL pin control on the output amplitude. High = SPI control 0‐24V Float = Analog Control Low = SPI Control, 0‐5.1V TP3, 8, 9, 10 GND Board Ground TP11 3V3 VLOGIC Supply, connect power supply here TP21 VDD VLOGIC after supply filter TP13 IRQ INTERRUPT TP14 ACTIVE TP17/18 TXDO/RXDO TXA, nTXA Connect external 1553 data here if not using the on board message generator for BUSA. Need to cut links TXA and nTXA. TXB, nTXB Connect external 1553 data here if not using the on board message generator for BUSB. Need to cut links TXB and nTXB. Produces pulse just before 1553 message starts, can be used to trigger scope. USB data. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 UsingtheBoard 1. Check all the link and switch positions comply with the tables above. Connect a 3.3V, 1A supply to the 3V3 test point. A 1A supply current is required at maximum amplitude. Verify the ‘Power On’ LED is lit; the board should take about 160mA, when not sending 1553 messages. Connect the mini USB lead to your PC and then to the HI‐1590 board. Your PC should automatically install the driver, if not the driver FT231 can be installed from the Holt CD. If you have problems installing the driver please refer to the FTDI website below: http://www.ftdichip.com/Documents/InstallGuides.htm 2. All control of the HI‐1590 is done through the ‘Control Console’. This requires use of a terminal emulator for communication, such as HyperTerminal or Tera Term. Tera Term is used with Windows versions of Vista or later and is supplied on the Holt CD. To install Tera Term: Use the Tera Term installer program teraterm.exe from the Holt CD. Accept the license agreement stating redistribution is permitted provided that copyright notice is retained. The notice can be displayed from the Tera Term window by clicking Help then clicking About Tera Term. Continuing to install… Accept the default install destination and click Next. At the Select Components screen, unselect all options except Additional Plugin = TTXResizeMenu and click Next. Select the installed language, then click Next. Accept the default Start Menu folder, then click Next. Select any desired shortcuts, then click Next. At the Ready to Install screen, click Install. Run the Tera Term program. At the New Connection screen, select Serial and choose the selected USB serial COM port, you can find the correct COM port using Device Manager. 3. Click Setup then Serial Port to open the serial port setup window. Choose the COM port for the mini‐USB connection and then select the following settings: Baud Rate: 115200, Data: 8 bits, Parity: none, Stop: 1 bit, Flow Control: none 4. The evaluation software is preprogrammed into the microcontroller and was loaded at the Holt Applications Support Center. On pressing the ‘RESET MICRO’ button on the board, the software displays a message on the monitor, as shown below. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 Note: If under any circumstances the software locks up, use the ‘RESET’ key to restart. 5. Press the ‘A’ key to set the output amplitude. Enter the maximum amplitude of ‘FF’ as shown below. 6. Connect an oscilloscope to the ABUS and BBUS terminal, with the grounds going to nABUS and nBBUS respectively. Grounding the negative bus terminals provides differential voltage measurements using just one scope probe per bus. Trigger the scope from the ACTIVE test point. Press the STOP button, this loads the 1553 messages. Press the RUN button to start message transmission. The messages will be transmitted alternately on the A and B buses. Check that a 1553 signal of about 24V p‐p amplitude is seen on one of the buses, as shown in Fig 2 below. Every 5 seconds it will switch to the other bus and during transmission you should see the 3.3V supply current go up to about 1A. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 Fig 2: Yellow is BUSA output, green is BUSB, Red is the ACTIVE trigger signal 7. The HI‐1590 can also read back data from the DAC register but only after a value has been written into the register. Press the ‘D’ key, type in ‘80’, the previous setting of ‘FF’ should be read out as shown below. Observe the amplitude on the scope; this should be reduced by half, or approximately 12V p‐p. 8. The SPI software has a ramp function, this ramps the amplitude on both outputs up to maximum and back down to zero in a ‘sawtooth’ function. Press the ‘Y’ button and observe the amplitude rising and falling. Whilst in this mode switch the VSEL switch to ‘Low’, this selects the low amplitude, you should see the oscilloscope trace go down to one fifth maximum amplitude or about 5V. 9. As well as SPI control of amplitude through a DAC, the HI‐1590 has the option of using an analog voltage of 0 to 3.3VDC to control the amplitude. To use this feature move the jumper AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 link from J5 to J4. Now amplitude is controlled by potentiometer R3, turn fully clockwise for maximum amplitude. An external voltage can be used by removing the J4 jumper and applying the voltage to pin 2 of J4. The range is 0 to VLOGIC (3.3V nominal) 10. To test HI‐1590 BusA and BusB receivers, RXENA and/or RXENB switches should be in the high position. Any 1553B compliant data is now output on the relevant RXA/nRXA and RXB/nRXB pins of J3. An example is shown in Fig 3 below: Fig 3: Yellow is BUSA output, green is RXA output, Red is the ACTIVE trigger signal 11. If isolation of the 1553B outputs is required from the board ground the soldered jumpers JP11 and JP12 should be opened. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 BUSB J1 J3 Header 1x4, 0.2" PITCH TP2 3 TP24 nTXB TP3 GND TP25 nTXA R1 nRXB 4 70 1W JP1 TP23 TXA RXB 3 nBBUS 2 1 BBUS GND TP22 TXB BLK RXA 1 RED nRXA 2 TP1 JP13 In_TXB JP5 B4 In_nTXB nTXB nTXB JP15 In_TXA 3V3 C3 100nF RXAEN 3V3 C1 100nF BUSB nBUSB 1 2 3 T1 PM-DB2791S + C2 68uF TXB TXB JP14 8 7 6 5 4 B8 JP4 TXA TXA JP16 In_nTXA nTXA nTXA LOCATE C1 AT PIN 6. KEEP TRACES SHORT AND EQUAL TRACE LENGTH BUS NOT CONFIGURED TO TEST DIRECT-COUPLED, NO SERIES RESISTORS. 11 10 9 8 7 6 5 4 3 2 1 GND 1 nRXB RXB SW1 3V3 0 23 24 25 26 27 28 29 30 31 32 33 ON (CLOSED) 1 VSEL TXIHA TXIHB RXAEN RXBEN TXIHB In_TXB In_nTXB 1 2 3 4 5 VCONT In_nTXA In_TXA SI SO J4 TP5 PM-DB2791S C6 100nF 1 3 R2 70 1W A4 BUSA J2 2 nABUS TP6 JP11 BLK nABUS 3V3 nBBUS <---- CW JP12 R4 0 OHM R3 1K TP8 GND Title HI-1590 1553 Dual Transceiv er Size A 47K 47K 47K R6 R7 R8 Date: AN‐1590, Rev. New JP8 JP6 nBUSA 1 2 3 R9 47K 1K R5 RED A8 nRXA RXA TXIHA SCK nCS 2 VSEL TP7 NC TXINHB TXB TXB N/C N/C RXA RXA TXINHA SCK CSN J5 U1 HI-1590 PQI N/C BUSA BUSA BUSA BUSA VCONT VCONT TXA TXA SI SO 8 7 6 5 4 JP9 RXBEN C5 47uF VDD CAP CAP CRES RXBEN GND GND GND RXB RXB VSEL TP4 T2 44 43 42 41 40 39 38 37 36 35 34 2 C4 4.7uF 12 13 14 15 16 17 18 19 20 21 22 1 3V3 ABUS BUSB BUSB BUSB BUSB VDD VDD GND GND GND RXENA N/C LOCATE C3 CLOSE TO PIN 12. HOLT INTEGRATED CIRCUITS Document Number <Doc> Wednesday , July 09, 2014 Rev Sheet 10/10/14 1 of 3 C12 C10 100nF 100nF C13 100nF TP9 GND + C16 C15 100nF 4.7uF C11 100nF J6 Header 1x4 3V3 C17 100nF TP10 GND TP11 C18 100nF 1 2 3 4 C7 100nF + C9 C8 100nF 68uF 3V3 3V3 + nECS ESCK EMISO EMOSI 3V3 DECOUPLING U3 PINS 8, 21, 50, 60 3V3 DECOUPLING U3 PINS 39, 42 3V3 150 POWER RUN MCLK GND RT1A0 RT1A1 RT1A2 nMR RT1A3 RT1A4 3 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 3V3 GND RT1LOCK GND BCENA EMISO EEPROM LOAD R12 100K 3V3 CS SO WP GND VCC HOLD SCK SI 8 7 6 5 ESCK EMOSI U2 25LC512 8-SOIC nMR SW4 3V3 C20 100nF R14 1 2 3 4 EMISO GND nRXA RXA nRXB RXB 3V3 10K CS SO WP GND VCC HOLD SCK SI 8 7 6 5 ESCK EMOSI U4 25LC512 8-SOIC BCTRIG TP14 3V3 R15 TXA ACTIVE nTXB 330 SW5 ON (CLOSED) GND 1 0 AUTOEN CPYRQ RT1ENA BCENA RT1LOCK 1 2 3 4 5 GND LED2 ACTIVE R16 47K SW6 Title HI-1590 Dual 1553 Transceiv er with SPI Demo Board - Message Generator Size A Date: AN‐1590, Rev. New 3V3 10K STOP 3V3 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 2 3 4 3V3 GND 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 R11 nECS2 nMR RT1A4 RT1A3 RT1A2 RT1A1 RT1A0 RT1AP 3V3 3V3 READY AUTOEN nPCS0 MOSI MSCK MISO RT1ENA EECOPY nMR CPY RQ BCENA 3V3 3V3 nECS1 nECS CON3 TXB J7 1 2 3 nTXA RT1ENA RT1AP EMISO EMOSI 3V3 GND GND GND nECS EECOPY ESCK GND GD OUT OSC1 50.0MHz 2 1 OE VCC 4 3V3 RT MESSAGES - 2 & 3 BCTRIG BENDI RAMEDC TEST CE RT1LOCK MODE MTSTOFF SI BCENA SCK BUSA HI-6131 PQFP SO VDD VDD BUSA MCLK MODE = 0 (EXT TRANSCEIVER) BUSB GND VDD COMP = 0 (NO PIN, INT PULL-DN) RT1A0 TEST = 0 (NORMAL) BUSB RT1A1 RT2ENA RT1A2 T0 MR T1 RT1A3 T2 RT1A4 T3 ON (CLOSED) R13 100K NC TXINHB TXINHA AUTOEN VDD GND RT1SSF ACTIVE READY MTPKRDY RT2MC8 RT1MC8 ACKIRQ IRQ VDD GND GND nPCS0 GND MOSI MSCK MISO 3V3 SW3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J12 BC MESSAGES - 1 & 2 RT1ENA RT1APAR MISO MOSI VDD GND TTCLK MTTCLK ECS EECOPY ESCLK MTRUN T7 T6 T5 T4 BCTRIG TP13 1 2 3 4 5 6 C19 100nF 3V3 U3 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 3V3 3V3 GND LED1 ACTIVE READY R10 GND GND GND AUTOEN 3V3 GND C14 68uF IRQ HOLT INTEGRATED CIRCUITS Document Number <Doc> Wednesday , July 09, 2014 Rev A Sheet 10/10/14 2 of 3 L1 F-BEAD 1.4A U6 Y ELLOW + C22 TP17 68uF 16V RXD0 20 C21 1 .1uF 2 GND VCC3O TP18 TXD0 3 4 5 6 220K nRESET R17 VDD 3V3 3V3 U5 VDD 3V3 7 C24 .1uF 8 1 9 SW7 GND RESET MICRO 19 J8 "HOLD IN RESET" 2 C25 .1uF 18 80 79 78 TXD DTR# 14 13 12 11 8 7 6 5 RTS# VCCIO RXD RI# CBUS2 GND CBUS1 DSR# VCC DCD# RESET# CTS# GND CBUS3 3V3OUT CBUS0 USBDM USBDP 10 1 75 74 15 C23 .1uF 14 5V BKGD 13 69 68 VCC3O 12 USBDM 11 USBDP R18 R19 3.3K 3.3K TXD0 RXD0 C26 0.1uF 40 39 1 Mohm R20 2 3 27R SCK0 MOSI0 SS0 MISO0 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PM0/RX PM1/TX MODC/BKGD PJ6 PJ7 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PS3/TXD1 PS2/RXD1 PS1/TXD0 PS0/RXD0 XIRQ/PE0 IRQ/PE1 PE2 PE3 ECLK/PE4 PE5 PE6 XCLKS/PE7 PAD00/AN00 PAD01/AN01 PAD02/AN02 PAN03/AN03 PAD04/AN04 PAD05/AN05 PAD06/AN06 PAD07/AN07 30 nRESET 70 71 72 73 SCK SI nCS SO 16 17 18 19 20 21 22 23 41 42 43 44 45 46 47 48 51 52 53 54 55 56 57 58 USBDM R22 4 5 C32 6 47pF 27R C31 10pF 35 4Mhz TP21 BCTRIG VDDA VRH VRL 31 C34 3V3 C36 R23 220nF 4.7K 1% 470pF C39 SPI BOARD INTERFACE 1 3 5 J10 VDD J11 2 4 6 VSSR1 VSSX VSSA XTAL VREGEN 29 77 220nF VDD C29 220nF C30 220nF 28 76 62 67 VDD 59 60 61 VDDPLL C35 .01uF 33 32 R24 3.3K VDDR1 VDDX EXTAL Y1 USBDP C33 47pF VDD BKGD 34 R21 nMR CASE C28 10pF C27 ** 10nF 1 nCS SO SI SCK NC GND 66 65 64 63 5V 2 4 6 8 10 12 14 16 DD+ RESET FERRITE BEAD USB_MINI_B_0 VCC 15 VDD 16 38 37 27 26 25 24 ** 2 IOC7/PT7 IOC6/PT6 IOC5/PT5 IOC4/PT4 IOC3/PT3 IOC2/PT2 IOC1/PT1 IOC0/PT0 1 2 3 4 VDD1 VDD2 VSSPLL VSS1 VSS2 TEST XFC 9 49 10 50 36 C37 220nF C38 220nF MC9S12XDT512CAA 1 3 5 7 9 11 13 15 J9 FB1 SS1/PP3 SCK1/PP2 MOSI1/PP1 MISO1/PP0 17 FT231XS-R MINI-USB MISO2 MOSI2 SCK2 nRESET HEADER 2X3 DEBUG HDR Title HI-1590 - Microcontroller Size B Date: AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS Document Number <Doc> Wednesday , July 09, 2014 10/10/14 Rev <Rev Code> Sheet 3 of 3 Bill of Materials - HI-1590 MIL-STD-1553B Board Item 1 Qty 17 Description Capacitor, Cer 0.1uF 20% 50V Z5U 0805 Reference C1,C3,C6,C7,C8,C10,C12,C13,C14,C1 5,C17,C18,C21,C23,C24,C25,C26 DigiKey 399-1176-1-ND Mfr P/N Kemet C0805C104M5UACTU 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 6 2 2 1 2 1 1 1 3 1 1 1 1 1 1 3 1 12 1 1 1 2 2 Capacitor, Cer 220nF Capacitor, Cer 10pF Capacitor, Cer 47pF Capacitor, Cer 470pF Capacitor, Cer 0.01uF Capacitor, Cer 4.7uF Capacitor, Cer 4.7uF Capacitor, Cer 47uF Capacitor 68uF 10% Capacitor 68uF 10% Connector, Receptacle Header, Female, 30 Header, Female, 6 Pos Header, Male 2x8 0.1" Header, Single 1x4, Header, Single 1x2, Header, single 1x4, Solder Jump 2 Solder Jump 3 LED Green 0805 LED Red 0805 Resistor, 69.8 Ohm 1W Resistor, 27 5% 1/8W C29,C30,C34,C37,C38,C39 C28,C31 C32,C33 C36 C27,C35 C16 C4 C5 C2,C9,C14 C22 J9 J7 J11 J10 J6 OPTIONAL J4,J5,J8 J3 JP1-JP12 J12 ACTIVE POWER ON R1,R2 R20,R22 399-3491-1-ND 399-1108-1-ND 399-1133-1-ND 399-1133-1-ND 399-1160-1-ND 399-3134-1-ND 587-1379-1-ND 587-2783-1-ND 495-1507-1-ND 399-8397-1-ND H2959CT-ND S5568-ND S5517-ND S2012E-08-ND S1012E-04-ND S1012E-02-ND S1012E-04-ND Kemet C0805C224K5RACTU Kemet C0805C100J5GACTU Kemet C0805C471J5GACTU Kemet C0805C471J5GACTU Kemet C0805C103M5RACTU Kemet C0805C475K9PACTU Taiyo Yuden LMK325BJ475KDTaiyo Yuden Kemet T495C686K006ZTE400 KemetT491D686K016AT Hirose UX60-MB-5ST Sullins PPPC152LJBN-RC Sullins PPTC032LJBN-RC Sullins PEC08DAAN Sullins PEC04SAAN Sullins PEC02SAAN Sullins PEC04SAAN 160-1179-1-ND 160-1178-1-ND RHM69.8BBCT-ND P27ACT-ND LiteOn LTST-C170GKT LiteOn LTST-C170EKT Rohm MCR100JZHF69R8 Panasonic ERJ-6GEYJ270V AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 Item 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Qty 1 1 3 1 2 5 2 1 1 1 1 1 1 2 1 3 2 3 3 1 1 1 1 1 1 2 6 6 6 Description Resistor, 150 5% 1/8W Resistor, 330 5% 1/8W Res 3.3K, 1/8W 5% Res 4.7K, 1/8W 1% Resistor, 10K 5% 1/8W Resistor, 47K 5% 1/8W Resistor, 100K 5% Resistor, 220K 5% Res 1M, 1/8W 5% Ferrite Bead, 220 Ohm Inductor, 10uH, 100mA Osc, 50MHz 25ppm Crystal 4.00MHz, SMD, DIP Switch 5-Position DIP Switch 6-Position Switch Tactile SPSTTransformer MIL-STDTest Point, Red Test Point, Black Test Point, Orange Test Point, White IC HI-1590 44QFN IC HI-6131 64-PQFP IC, IC USB Serial Full IC, Serial EEPROM Stand-off, #4-40 Machine Screw, #4-40 Lock Washer, Int.Tooth AN‐1590, Rev. New Reference R10 R15 R18,R19,R24 R23 R11,R14 R6,R7,R8,R9,R16 R12,R13 R17 R21 FB1 L1 OSC1 Y1 SW1,SW5 SW6 SW3,SW4,SW7 T1,T2 3V3,ABUS, BBUS GND, nBusA, nBusB VDD ACTIVE U1 U3 U5 U6 U2,U4 ------------- DigiKey P150ACT-ND P330ACT-ND P3.3KACT-ND P4.7KACT-ND P10KACT-ND P47KACT-ND P100KACT-ND P220KACT-ND P1.0MACT-ND 732-1602-1-ND 490-4029-1-ND 535-10087-1-ND 631-1005-1-ND CT2195MST-ND CT2196MST-ND P12943SCT-ND Holt PM-DB2791S 5010K-ND 5011K-ND 5012K-ND 5012K-ND HOLT IC HOLT IC MC9S12XDT512CAA-ND 768-1129-1-ND 25LC512-I/SN-ND 3481K-ND H342-ND H236-ND HOLT INTEGRATED CIRCUITS Mfr P/N Panasonic ERJ-6GEYJ151V Panasonic ERJ-6GEYJ331V Panasonic ERJ-6GEYJ332V Panasonic ERJ-6GEYJ472V Panasonic ERJ-6GEYJ103V Panasonic ERJ-6GEYJ473V Panasonic ERJ-6GEYJ104V Panasonic ERJ-6GEYJ224V Panasonic ERJ-6GEYJ105V Wurth 742792034 Murata LQM21FN100M70L Abracon ASV-50.000MHZ-E-T FOXSDLF/040 CTS 219-5MST CTS 219-6MST Panasonic EVQ-Q2K03W Holt / Premier Magnetics Keystone 5010 Keystone 5011 Keystone 5012 Keystone 5012 Holt IC Holt IC MC9S12XDT512CAA-ND FTDI FT231XS-R Microchip 25LC512-I/SN Keystone 3481 B&F Supply PMS 440 0025 PH B&F Supply INTLWZ 004 10/10/14 Appendix1 Demosoftwareoverview This overview flow chart shows the demo program at a glance. Main.c Start Initialize global variables + arrays Initialize Peripherals Initialize Interrupts Initialize Timer Configure MCU SPI bus Configure UART Set SPI clock rate Display console header Y Case D Display Control Menu SPI byte write to amplitude register and read back previous setting N Y SPI byte write to amplitude register Case A Scan Keyboard for Menu Selection N Y Case Y Y Valid function selected? Enter Ramp Amplitude Loop N N At reset the program initializes the variables and configures the peripherals including the SPI block, Timers, Interrupts and serial communication UART. The program then enters Serial Command mode, this is an endless loop that continuously samples the keyboard. Once a key is pressed the The program enters a case function that selects which function to call. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 There is one write function that just writes a byte to the amplitude control register, a read function that writes data to the amplitude register whilst simultaneously reading back the previous byte. The third function is a loop that ramps up the amplitude to maximum and then ramps down, taking about 4 secs to complete this cycle. This last function is an endless loop that is interrupted by pressing any key. MCUClockandSPIFrequencies The Freescale MC9S12XDT512 (MCU) on the main board uses a 4MHz crystal for operation and the built‐ in PLL multiplies this by 20 to achieve an 80MHz system clock. This system clock is divided by two for a 40MHz Bus Clock, used internally for the MCU peripherals. The PLL is programmed to multiply by 20 by this line of code in the Peripherals.c module: SYNR = 9; // 80MHz PLL system clock The SPI frequency is set at the beginning of the main.c module, by this code : SPI0BR = 0x00; // 20MHz SPI // SPI0BR = 0x01; // 10MHz SPI // SPI0BR = 0x02; // 5MHz SPI The speeds that are not used are commented out. In this case the 10MHz and 5MHz are commented out, so the 20MHz option is set. The maximum SPI frequency for the HI‐1590 is 20MHz, the code can be altered to set a lower rate of 10MHz or 5MHz, if desired. TimingandDelayFunctions These functions provide the basic timing for the program. The Delay100us() can be used anywhere an accurate delay is needed in the program . The global g_count100us variable is decremented at the 100us timer rate. This variable is used by a general delay function which can be called with a specified number of delay intervals. The g_count100us variable is a 16‐bit integer so the delay ranges from 100us to 6.5536 seconds. // -------------------------------------// General timer tick 100us for delays // -------------------------------------void Delay100us(unsigned int delay){ g_count100us=delay; while(g_count100us); } AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 SPIDriverFunctions Only one SPI function is used, trx8bits_8, shown the figure below: Only single‐byte transfers are used on the HI‐1590, this HI‐1590 SPI driver function is included in the Driver.c module and its Driver.h header file. The MCU slave select pin SSO (not nCS) is connected to the HI‐1590 nCS pin. Uart.c Serial Port The drivers supporting the USB serial port (console) are contained in this module. Some function drivers allow messages to be sent and received on the UART. This is useful to log status or data messages on HyperTerminal or any other terminal program. It currently uses polling to determine when the data receive or transmit registers can be read or written. AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 HI‐1590demoCodewarriorSoftwareProject The software project is built with Freescale’s CodeWarrior version 5.9.0 using the free limited 32K version. The current code size of the demo is approximately 10K. The main functions are in main.c and the low level drivers are in the driver.c file. The software project “HI‐1590 Demo x_x” will normally be distributed in a zip file on a CD‐ROM with the same name. To develop, debug and download this software into the board, a PE Micro “USB Multilink Interface” debug cable is necessary. It is not provided in this kit. To purchase this cable, go to the PE Micro website or purchase it from DigiKey. See the links at the end of this document. ProjectFiles Source Files main.c Driver.C peripherals.c Uart.c datapage.c Include Files main.h Driver.h peripherals.h Uart.h common.h derivative.h mc9s12xdt512.h AN‐1590, Rev. New Main code SPI low‐level driver for the HI‐1590 Micro GPIO, PLL frequency and SPI configuration Low‐level UART drivers Freescale IDE support file Common defines for the project Freescale IDE support file Freescale IDE target part support file HOLT INTEGRATED CIRCUITS 10/10/14 CodeWarriorandSoftwareProjectInstallation: 1. Download and install the CodeWarrior IDE from the Freescale website. The download links are provided below. 2. Unzip the HI‐1590 x_x zip file into the directory you plan to use for your project. 3. Navigate to the HI‐1590 project folder and double click the HI‐1590 Demo x_x.mcp project file to launch this project with CodeWarrior. The IDE should open with the project files on the left side of the window, as shown below: 4. Plug the USB Multilink 6‐pin debug cable into the Debug Header and power up the board with 3.3V. 5. Click the green arrow on the screen to ‘build’ the Project . The project should build without errors. You may receive a dead assignment warning if for example some defines are set to a zero value. Once built, it should launch the debugger and download to the board. 6. The first time you download, you may need to configure the debugger for the USB Multilink cable. After downloading is complete the debugger window should be displayed with the first line in main.c highlighted. Press the green horizontal arrow button to run the program. Since the AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 program has been loaded you can power down the board and re power the board and the program should run automatically without the debugger. Holt HI‐1590 project loaded with CodeWarrior 5.9.0. FreescaleMC9S12XDT512xxxDevelopmentTools The Freescale microcontroller data sheet and other documentation can be found at this link: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=S12XD&tid=16bhp If these links become out of date go to: http://www.freescale.com/ , then search for information on “S12XD: 16‐Bit Automotive Microcontroller”. A Free 32K limited version of the Code Warrior IDE from Freescale is available: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=CW‐HCS12X&tid=CWH# The US Multilink debugger cable used for this project is: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=USBMULTILINKBDM&parentCod e=S12XD&fpsp=1 http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=USBMULTILINKBDME‐ND References: http://www.holtic.com/ AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14 REVISIONHISTORY Revision Date Description of Change AN-1590, Rev. New 10-10-14 New AN‐1590, Rev. New HOLT INTEGRATED CIRCUITS 10/10/14