SN250 Datasheet, PDF (1/130 Pages) STMicroelectronics – Single-chip ZigBee/802.15.4 solution

SN250
Single-chip ZigBee^TM/802.15.4 solution
Preliminary Data
Features
■ Integrated 2.4GHz, IEEE 802.15.4-compliant
transceiver:
– Robust RX filtering allows co-existence
with IEEE 802.11g and Bluetooth devices
– − 97dBm RX sensitivity (1% PER, 20byte
packet)
– + 3dBm nominal output power
– Increased radio performance mode (boost
mode) gives − 98dBm sensitivity and +
5dBm transmit power
– Integrated VCO and loop filter
■ Integrated IEEE 802.15.4 PHY and lower MAC
with DMA
■ Integrated hardware support for Packet Trace
Interface for InSight Development Environment
■ Provides integrated RC oscillator for low power
operation
■ Supports optional 32.768kHz crystal oscillator
for higher accuracy needs
■ 16-bit XAP2b microprocessor
■ Integrated memory:
– 128KB of Flash
– 5KB of SRAM
■ Configurable memory protection scheme
■ Two sleep modes:
– Processor idle
– Deep sleep—1.0μA (1.5μA with optional
32.768kHz oscillator enabled)
■ Seventeen GPIO pins with alternate functions
■ Two Serial Controllers with DMA
– SC1: I²C master, SPI master, UART
– SC2: I²C master, SPI master/slave
■ Two 16-bit general-purpose timers; one 16-bit
sleep timer
■ Watchdog timer and power-on-reset circuitry
■ Non-intrusive debug interface (SIF)
■ Integrated AES encryption accelerator
■ Integrated ADC module first-order, sigma-delta
converter with 12-bit resolution
■ Integrated 1.8V voltage regulator
October 2006
Rev 2.0
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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