SN250QT datasheet(1/130 Pages) STMICROELECTRONICS

Part #	SN250QT

Description	Single-chip ZigBee/802.15.4 solution

PDF	130 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 130 page

Preliminary Data

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

October 2006

Rev 2.0

1/130

1

SN250

Single-chip ZigBeeTM/802.15.4 solution

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—1.0

μA (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

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