ReadyAVR-64™ Development Board Users Manual
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ReadyAVR-64™ Development Board Users Manual
CONTENTS
Ⅰ.What is ReadyAVR-64™?................................................................................................................................. 3
Ⅱ.Appliance............................................................................................................................................................ 3
Ⅲ.Power supply ...................................................................................................................................................... 3
Ⅳ.Hardwre Connection description ...................................................................................................................... 3
Ⅴ.What’s on board ................................................................................................................................................ 4
Ⅵ.MCU programming ........................................................................................................................................... 5
Ⅶ.Board dimensions .............................................................................................................................................. 7
Ⅷ.Schematic .......................................................................................................................................................... 8
Ⅸ.Contact Us ......................................................................................................................................................... 8
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ReadyAVR-64™ Development Board Users Manual
Ⅰ.What is ReadyAVR-64™?
The ReadyAVR-64 Board is a complete solution for fast and simple development of embedded applications by
using a new Atmel® ATmega128 or Atmega64 device connected to 7.3728Mhz oscillator.
Key features:
- Bootloader program loaded into the ATmega128/Atmega64 microcontroller;
- CP2102 USB to UART converter for RS232 communication and bootloader programming.
- Joystick;
- LEDs;
- Standard ISP6 connector;
- Standard ISP10 connector;
- Standard JTAG connector;
- Proto area for your further design;
- System Reset Key;
- All Ios are taken out;
- 7-10V DC power supply or USB power supply;
- 3.3v/5v System power supply selection;
Ⅱ.Appliance
The ReadyAVR-64 Board represents a miniature development system which can be used as a stand-alone device.
Due to its preloaded bootloader program and 8-bit MCU it is ideal for low-cost experimenting and final product
design.
Ⅲ.Power supply
For connection with a power supply source the ReadyAVR-64 Board uses a screw terminal EX-PWR. The power
supply voltage level can vary from +7-10V DC. When programming the MCU via bootloader it is necessary
to connect the board to a PC via a USB cable and the external power supply is no need during this time.
Ⅳ.Hardwre Connection description
1. For easy access to the pins of the MCU supplied on the ReadyAVR-64 Board you can use pads. Every pad is
clearly marked with a pin name to which it is connected to.
2. You can provide the board with additional components by placing them on the proto area.
3. To connect the ReadyAVR-64 Board to a PC it is necessary to connect the USB port on the PC to a USB
connector USB/POWER via a USB cable. When connection is established the PC will communicate with CP2102
chip which is connected to MCU pins PD2,PD3,PE0 and PE1. These pins are used for serial UART0 or UART1
communication.We set UART1 as the bootloader MODE channel.In other word,you must connect UART1
jumpers and disconnect UART0 jumpers when you are using bootloader to upload hex file into your target device
mega128 or mega64.
4. The ISP6 and ISP10 connector is used for programming.
5. The JTAG connector is used for programming/debugging via the JTAG interface.
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ReadyAVR-64™ Development Board Users Manual
Ⅴ.What’s on board
Area
Description
Area
Description
1
Power Supply/USB Port
2
78m05 500mA Positive Voltage Regulators
3
LM1117-3.3 3.3V Dropout Linear Regulators.
4
3.3V and 5V Selection Jumper
5
External Power Supply Connector
6
Cp2102 USB-to UART Converter
7
Jumpers for UART0 and UART1
8
JTAG Debugging/Programming Connector
9
ISP6 Programming Connector
10
ISP10 Programming Connector
11
System Reset Button
12
Jumpers for LED/Joystick Enable
13
User LEDs
14
Joystick
15
Crystal Oscillator Socket
16
Atmega128/64 Microcontroller
17
Bootloader Indicator
18
Power Supply Indicator
19
USB-to-UART Indicator
20
ADC Filter Circuit
21
PORTA PINOUTs
22
PORTF PINOUTs
23
PORTE PINOUTs
24
PORTB PINOUTs
25
PORTD PINOUTs
26
PORTC PINOUTs
27
Proto Area
28
Installing Hole
29
3.3V/5V/GND PINOUTs
30
PORTG PINOUTs
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ReadyAVR-64™ Development Board Users Manual
Ⅵ.MCU programming
In order to program the MCU via bootloader it is necessary to place the proper jumpers like the following figure.
By doing so connection between the cp2102 chip and the MCU will be enabled. If you want to use MCU pins
which are used for programming (PD2 and PD3) as I/O you should remove the related jumpers.
Follow the steps below for program installation and MCU programming.
Step1.Instal CP2102 driver
Before you connect your ReadyAVR board to a computer running Microsoft Windows, you should install its
drivers:
Download the CP2102 drivers for Windows from here:
http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx
Any details,pls see “Silicon CP2102 SETUP GUIDE.pdf” we provided in CD/DVD rom.
Step2.Run “AVRUBD” software
Step3.Go to the Device Manager to see which com port is created
Step4. Com Port Setting
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ReadyAVR-64™ Development Board Users Manual
Enter Option/Comport to set the correct Com Port,and click “OK”.
Step5. Load HEX file
Enter File/Load to load HEX file into the AVRUBD software,and click “Open”.
Step6. Start to Program
Press RESET key to force the AVR device into the bootloader MODE,and then you will see the BOOT led
blinking with about 3Hz frequency.At this time,the AVR device will stay in bootloader MODE within 5s.During
this time,you can enter Operation/Download or press F9 key(PC) or click
to start to download HEX file.
After downloading is finished,the application program will be running.If you want to upgrade the new HEX
firmware you have to press RESET key again to enter bootloader MODE.
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ReadyAVR-64™ Development Board Users Manual
PS:Sometimes an unknown error may occur when programming is finished,but it dosen’t affect the normal
running of the program.
Ⅶ.Board dimensions
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ReadyAVR-64™ Development Board Users Manual
Ⅷ.Schematic
2
3
4
5
6
7
8
28
27
26 RXD
25 TXD
24
23
22
1
CP2102
1
Vin
3
+5V
VIN
5V
Prototyping
2
VOUT
USB/POWER
5
VCC
DATADATA+
GND
6
1
2
2
3.3V
LM1117-3.3
3
3.3V
3.3v
5
1
2
3
4
6
5V
D+
D+
C7
104
1
2
3
4
5
6
7
DCD
RI
GND
D+
DVDD
REGIN
Area
C1
+
C2 10u
104
8
9
10
11
12
13
14
LED4
R2
3.3V
5V
1K
VCC
JP2
VCC
PD3
PE1
PD2
PE0
PWR
R1
1K
VCC
1
3
5
7
1
3
5
7
2
4
6
8
2
4
6
8
TXD
RXD
C
C8
104
PEN
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
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PB2
3
R12
PB4
2
R9
PB1
1
JOYSTI CK
LEFT
UP
CENTER
SHIELD
R10
DOWN
COM
RIGHT
6
PB3
R11
PB0
R8
5
4
mega128/64
PA3
PA4
PA5
PA6
PA7
PG2
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PG1
PG0
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PA3
PA4
PA5
PA6
PA7
PG2
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PG1
PG0
JTAG
BOOT
R13
1K
PF4
PF6
PF5
VCC
PF7
1
3
5
7
9
RESET
8
R3
ISP6
1
PE1
PB1
3
RESET 5
C5
R4
B
2
4
6
2
4
6
PE0
VCC
C6
22p
2
4
2
4
ISP10
22p
PE0
1
3
RESET 5
PB1
7
PE1
9
VCC
PORTA
1K
1
3
5
Y1
10K
7.3728MHz
1
3
VCC
2
4
6 RESET
8
10
2
4
6
8
10
VCC
JP1
1
3
1
3
5
7
9
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
B
PEN
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PG3
PG4
RESET
VC C
GND
XTAL2
XTAL1
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
7
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PB7
PG3
PG4
RESET
VC C
GND
XTAL2
XTAL1
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
ReadyAVR-64
AVCC
GND
AR EF
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
GND
VC C
PA0
PA1
PA2
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
PEN and PORTG
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
GND
VC C
PA0
PA1
PA2
C9
104
GND
L1 104uH
C
21
20
19
18
17
16
15
5V
1
2
3
+
NC
NC
NC
NC
NC
NC
NC
5v
J1
C3
C4 10u
104
D
DTR
DSR
TXD
RXD
RTS
CTS
NC
+7- 10V
GND
1
VB US
RST
NC
SUSPEND
SUSPEND
NC
NC
5V
78M05
EXT-PWR
3.3V GND 5V
GND
D
LED0
PC0
1K
R5
LED1
PC1
1K
R6
LED2
PC2
1K
R7
LED3
PA0
PA2
PA4
PA6
1
3
5
7
PB0
PB2
PB4
PB6
1
3
5
7
1
3
5
7
2
4
6
8
PORTF
2
4
6
8
PA1
PA3
PA5
PA7
PF7
PF5
PF3
PF1
1
3
5
7
2
4
6
8
PB1
PB3
PB5
PB7
PD0
PD2
PD4
PD6
1
3
5
7
1
3
5
7
2
4
6
8
PORTE
2
4
6
8
PF6
PF4
PF2
PF0
PE0
PE2
PE4
PE6
1
3
5
7
2
4
6
8
PD1
PD3
PD5
PD7
PC6
PC4
PC2
PC0
1
3
5
7
1
3
5
7
2
4
6
8
2
4
6
8
PE1
PE3
PE5
PE7
2
4
6
8
PC7
PC5
PC3
PC1
1
3
5
7
9
2
4
6
8
10
2
4
6
8
10
VCC
A
A
PORTB
PC3
1
3
5
7
2
4
6
8
PORTD
1
3
5
7
2
4
6
8
PORTC
1
3
5
7
2
4
6
8
Title
Size
Number
Revision
A3
Date:
File:
1
2
3
4
5
3-Jan-2006
D:\100MHZ\100MHZ.Ddb
6
7
Sheet of
Drawn By:
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