Ultra Low Power ARM Cortex-M3 MCU
with Integrated Power Management
ADuCM3027/ADuCM3029
Hardware cryptographic accelerator supporting AES-128,
FEATURES
AES-256, and SHA-256
EEMBC ULPBench score: 245.5
DIGITAL PERIPHERALS
Ultralow power active and hibernate modes
Active (full on mode) < 30 A/MHz (typical)
3 SPI interfaces to enable glueless interface to sensors,
Flexi (core in sleep, peripherals active) < 300 A (typical)
radios, and converters
2
Hibernate (with SRAM retention) < 750 nA (typical)
I C and UART interfaces
Shutdown (optional RTC active) < 60 nA (typical)
SPORT for natively interfacing with converters and radios
ARM Cortex -M3 processor with MPU
Programmable GPIOs (44 in LFCSP and 36 in WLCSP)
Up to 26 MHz with serial wire debug interface
3 general-purpose timers with PWM support
Power management
RTC and FLEX_RTC with SensorStrobe and time stamping
Single-supply operation (VBAT): 1.74 V to 3.6 V
Programmable beeper
Optional buck converter for improved efficiency
25-channel DMA controller
Memory options
CLOCKING FEATURES
128 KB/256 KB of embedded flash memory with ECC
26 MHz clock: on-chip oscillator, external crystal oscillator
4 KB of cache memory to reduce active power
32 kHz clock: on-chip oscillator, low power crystal oscillator
64 KB of configurable system SRAM with parity
Integrated PLL with programmable divider
Up to 32 KB of SRAM retained in hibernate mode
Safety ANALOG PERIPHERALS
Watchdog with dedicated on-chip oscillator
12-bit SAR ADC, 1.8 MSPS, 8 channels, digital comparator
Hardware CRC with programmable polynomial
APPLICATIONS
Multiparity bit protected SRAM
Internet of Things (IoT)
ECC protected embedded flash
Smart machine, smart metering, smart building,
Security
smart city, smart agriculture
TRNG
Wearables
User code protection
Fitness and clinical
26 MHz CORE RATE
PLL SERIAL-WIRE INSTRUCTION
RAM/CACHE
HFXTAL (32 KB)
POWER
ARM
MULTI- MANAGEMENT
LFXTAL CORTEX-M3 FLASH
LAYER
(256 KB)
AMBA
HFOSC
BUCK
BUS
SRAM0
NVIC WIC MATRIX
LFOSC
(16 KB)
MPU
REF BUFFER
SRAM1
TEMP
DMA (16 KB)
SENSOR
CRYPTO
ADC
(AES 128/256,
SHA 256)
SPORT UART TMR0 TMR1 RTC0 RTC1
AHB-APB
BRIDGE
2
SPI SPI SPI I C
TMR2 TRNG BEEPER GPIO WDT
PROGRAMMABLE
CRC POLYNOMIAL
Figure 1. Functional Block Diagram
Rev. 0 Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 U.S.A.
Specifications subject to change without notice. No license is granted by implication
Tel: 781.329.4700 2017 Analog Devices, Inc. All rights reserved.
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners. Technical Support www.analog.comADuCM3027/ADuCM3029
TABLE OF CONTENTS
General Description ................................................. 3 System Clocks/Timers .......................................... 14
Highlights ........................................................... 3 ADC Specifications .............................................. 15
ARM Cortex-M3 Processor ..................................... 3 Flash Specifications .............................................. 15
Memory Architecture ............................................ 4 Absolute Maximum Ratings ................................... 16
System and Integration Features ............................... 5 ESD Sensitivity ................................................... 16
On-Chip Peripheral Features ................................. 10 Package Information ............................................ 16
Development Support .......................................... 10 Timing Specifications ........................................... 17
Additional Information ........................................ 11 MCU Test Conditions .......................................... 25
Reference Designs ............................................... 11 Driver Types ...................................................... 25
Security Features Disclaimer .................................. 11 Environmental Conditions .................................... 28
Specifications ........................................................ 12 Pin Configuration And Function Description ................ 29
Operating Conditions .......................................... 12 Outline Dimensions ................................................ 36
Electrical Characteristics ....................................... 12 Ordering Guide ..................................................... 37
REVISION HISTORY
3/2017Revision 0: Initial Version
Rev. 0 | Page 2 of 37 | March 2017