EM351 / EM357
High-Performance, Integrated ZigBee/802.15.4 System-on-Chip
Complete System-on-Chip
®
•
32-bit ARM Cortex™-M3 processor
•
2.4 GHz IEEE 802.15.4-2003 transceiver & lower
Exceptional RF Performance
•
Normal mode link budget up to 103 dB;
configurable up to 110 dB
configurable to -102 dBm
(1% PER, 20 byte packet)
MAC
•
-100 dBm normal RX sensitivity;
•
+3 dB normal mode output power;
configurable up to +8 dBm
•
128 or 192 kB flash, with optional read
protection
•
12 kB RAM memory
•
AES128 encryption accelerator
•
Flexible ADC, UART/SPI/TWI serial
trigger inputs
•
Robust Wi-Fi and Bluetooth coexistence
Innovative network and processor debug
communications, and general purpose timers
•
24 highly configurable GPIOs with Schmitt
Industry-leading ARM
®
Cortex
™
-M3 processor
•
Ember InSight port for non-intrusive
packet trace with Ember InSight tools
•
•
•
•
Leading 32-bit processing performance
Highly efficient Thumb-2 instruction set
Operation at 6, 12, or 24 MHz
Flexible Nested Vectored Interrupt Controller
•
Serial Wire/JTAG interface
•
Standard ARM debug capabilities: Flash
Application Flexibility
Patch & Breakpoint; Data Watchpoint &
Trace; Instrumentation Trace Macrocell
Low power consumption, advanced management
•
Single voltage operation: 2.1-3.6 V
timer accuracy
with internal 1.8 V and 1.25 V regulators
•
Rx Current (w/ CPU): 26 mA
•
Tx Current (w/ CPU, +3 dBm TX): 31 mA
•
Low deep sleep current, with retained RAM and
GPIO: 400 nA without/800 nA with sleep timer
power sleep timing
•
Optional 32.768 kHz crystal for higher
•
Low external component count with
single 24 MHz crystal
•
Low-frequency internal RC oscillator for low-
•
High-frequency internal RC oscillator for fast
(110 µsec) processor start-up from sleep
PA select
•
Support for external power amplifier
•
Small 7x7 mm 48-pin QFN package
TX_ACTIVE
RF_TX_ALT_P,N
PA
SYNTH
PA
DAC
MAC
+
Baseband
Data
RAM
12 kB
Program
Flash
128/192 kB
RF_P,N
LNA
IF
ADC
ARM
®
Cortex
TM
-M3
CPU with NVIC
and MPU
2
nd
level
Interrupt
controller
Bias
Packet Trace
OSCA
OSCB
VDD_CORE
VREG_OUT
HF crystal
OSC
1.25V
Regulator
1.8V
Regulator
POR
LF crystal
OSC
Internal HF
RC-OSC
Calibration
ADC
General
purpose
timers
GPIO
registers
CPU debug
TPIU/ITM/
FPB/DWT
Always
Powered
Domain
Watchdog
Encryption
acclerator
Ember Corporation
47 Farnsworth Street
Boston MA 02210 USA
+1 617.951.0200
120-035X-000D
Preliminary
November 20, 2009
nRESET
General
Purpose
ADC
Internal LF
RC-OSC
Serial
Wire and
JTAG
debug
SWCLK,
JTCK
UART/
SPI/TWI
Chip
manager
Sleep
timer
GPIO multiplexor switch
PA[7:0], PB[7:0], PC[7:0]
ETC [ ETC ]
