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