Rev 1.3 8/13
Copyright ?2013 by Silicon Laboratories
EM351/EM357
EM351/EM357
High-Performance, Integrated ZigBee/802.15.4 System-on-Chip
Features
- 32-bit ARM?/SPAN> Cortex -M3 processor
- 2.4 GHz IEEE 802.15.4-2003 transceiver & lower MAC
- 128 or 192 kB flash, with optional read protection
- 12 kB RAM memory
- AES128 encryption accelerator
- Flexible ADC, UART/SPI/TWI serial communications,
and general purpose timers
- 24 highly configurable GPIOs with Schmitt trigger inputs
Industry-leading ARM?Cortex -M3 processor
- Leading 32-bit processing performance
- Highly efficient Thumb-2 instruction set
- Operation at 6, 12, or 24 MHz
- Flexible Nested Vectored Interrupt Controller
Low power consumption, advanced management
- 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
- Low-frequency internal RC oscillator for low-power sleep
timing
- High-frequency internal RC oscillator for fast (110 ?/SPAN>s)
processor start-up from sleep
Exceptional RF Performance
- Normal mode link budget up to 103 dB; configurable up
to 110 dB
- 100 dBm normal RX sensitivity; configurable to
102 dBm (1% PER, 20 byte packet)
- +3 dB normal mode output power; configurable up to
+8 dBm
- Robust Wi-Fi and Bluetooth coexistence
Innovative network and processor debug
- Packet Trace Port for non-intrusive packet trace with
Ember development tools
- Serial Wire/JTAG interface
- Standard ARM debug capabilities: Flash Patch & Break-
point; Data Watchpoint & Trace; Instrumentation Trace
Macrocell
Application Flexibility
- Single voltage operation: 2.13.6 V with internal 1.8 and
1.25
V regulators
- Optional 32.768 kHz crystal for higher timer accuracy
- Low external component count with single 24 MHz
crystal
- Support for external power amplifier
- Small 7x7 mm 48-pin QFN package
ADC
RF_P,N
Program
Flash
128/192 kB
Data
RAM
12 kB
HF crystal
OSC
LF crystal
OSC
General
Purpose
ADC
Serial
Wire and
JTAG
debug
Internal LF
RC-OSC
GPIO multiplexor switch
Chip
manager
1.8V
Regulator
Bias
2
nd
level
Interrupt
controller
RF_TX_ALT_P,N
OSCA
OSCB
PA 7:0 , PB 7:0 , PC 7:0
Encryption
acclerator
IF
Always
Powered
Domain
ARM
?/DIV>
Cortex
TM
-M3
CPU with NVIC
and MPU
VREG_OUT
Watchdog
PA select
LNA
PA
PA
DAC
MAC
+
Baseband
Sleep
timer
POR
nRESET
General
purpose
timers
GPIO
registers
UART/
SPI/TWI
SYNTH
Internal HF
RC-OSC
TX_ACTIVE
SWCLK,
JTCK
Calibration
ADC
Packet Trace
CPU debug
TPIU/ITM/
FPB/DWT
1.25V
Regulator
VDD_CORE
发布紧急采购，3分钟左右您将得到回复。
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