ARM Cortex-M0
CORTEX-M0 in Commercial
Components – Summer 2012
August 24, 2012
Paul Nickelsberg
Orchid Technologies Engineering and Consulting, Inc.
www.orchid-tech.com
Cortex-M0 in Commercial Components
• Topics Today
• Cortex-M0 in Commercial Devices
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Freescale
Nuvoton
NXP
ST Micro
• Cortex-M0 Applied at Orchid Technologies
• Motor Controller
• Data Acquisition Sub-System
Cortex-M0 in Commercial Components
Cortex-M0 Applied in Commercial Devices
Cortex-M0
Core
Commercial
Device
Cortex-M0 in Commercial Components
Credit Freescale FTF Presentation
Freescale Kinetis KL Series Based on Cortex-M0+
Cortex-M0 in Commercial Components
Freescale Kinetis KL Series Based on Cortex-M0+
Some Compelling Features
Based on New Cortex-M0+
USB / Fast IO Features
12 Bit Analog / Digital Controller
Cortex-M0 in Commercial Components
Nuvoton M051 Series Based on Cortex-M0
CONFIG
Info
10K OSC
Cortex-M0
50 MHz
DATAFLASH
Option
CLK_CTL
ISP 4KB
P
L
L
AHB
Flash Control
64KB(M0516)
32KB(M058)
16KB(M054)
8KB(M052)
AHB
arbiter
AHB
arbiter
SRAM
4KB
APBBridge
Watch Dog Timer
nWR
ADC
SPI 0/1
AD[15:0]
nCS
nRD
GPIO
P0~P4
Timer 0/1
EBI
mclk
ALE
Credit Nuvoton Presentation
Timer 2/3
UART 0/1
PWM 0~7
I2C
22M OSC
EXT. 12M
XTAL
LDO
2.5 ~ 5.5V
ADC
8ch/12bit
SARADC
600K SPS
PAD Control
POR
Brown-Out
LVR
Cortex-M0 in Commercial Components
Nuvoton M051 Series Based on Cortex-M0
Some Compelling Features
Based on New Cortex-M
M051 Low Cost Implementation
12 Bit Analog / Digital Controller
Cortex-M0 in Commercial Components
NXP LPC111X Series Based on Cortex-M0
Credit NXP Public Presentation
Cortex-M0 in Commercial Components
NXP LPC111X Series Based on Cortex-M0
Some Compelling Features
Based on New Cortex-M
LPC1110FD20 Low Cost Package
First with Cortext-M0
USB/CAN/Display/Eeprom Versions
ROM Code: Divide Library
Cortex-M0 in Commercial Components
Credit STMicro Public Datasheet
ST Microelectronics STM32F051x Series Based on Cortex-M0
Cortex-M0 in Commercial Components
ST Microelectronics STM32F051x Series Based on Cortex-M0
Some Compelling Features
Based on New Cortex-M
Smallest Physical Package Size
Large Feature Set
Cortex-M0 in Commercial Components
Wireless Motor Controller Example
433MHz
Receiver
NXP
LPC1110
Cortex-M0
Controller
Power Supply
Motor
Drive 1
Motor
Drive 2
Cortex-M0 in Commercial Components
Wireless Motor Controller Example
Copyright © Orchid Technologies 2012
I am a
Cortex-M0!
Cortex-M0 in Commercial Components
Data Acquisition Sub-system Example
Nuvoton
M051
Cortex-M0
Controller
UART
Power
Intel Atom
Computer
COM1 Internal
Cortex-M0 in Commercial Components
Data Acquisition Sub-system Example
Copyright © Orchid Technologies 2012
I am a CortexM0!
The ARCTAN Example from Day 1
y
x
Find the angle with tangent y/x
8-Bit Approach 8mSec @ 12MHz
32-Bit Approach 0.5mSec @ 12MHz
The ARCTAN Example from Day 1
This does
the math!
The ARCTAN Example from Day 1
Copyright © Orchid Technologies 2012
Lab Bench Performance Measurement
The ARCTAN Example from Day 1
Milliwatts
Lab Bench Performance Measurement
PLL Off Here!
Megahertz
The ARCTAN Example from Day 1
microseconds
Lab Bench Performance Measurement
Megahertz
One Last Compatibility Comment
Processing Capability
Meaning and Implications
32 Bit
CORTEX-M0
8 Bit
Architecture
Processor Architecture – 8 Bit World to 32 Bit World
Additional Reading
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Cortex-M0 Devices Generic User Guide © 2009 ARM Limited
Cortex-M0 Technical Reference Manual © 2009 ARM Limited
Cortex-M0+ Devices Generic User Guide © 2012 ARM Limited
Cortex-M0+ Technical Reference Manual © 2012 ARM Limited
STM32F0xx Cortex-M0 Programming Manual, Doc ID 022979, ST Micro
The Definitive Guide to the ARM Cortex-M0, © 2011 Joseph Yiu,
ISBN 978-0-12-385477-3