SN250| Datasheet

SN250, SN250Q, SN250QT

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SN250
Single-chip ZigBee 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 - 97 dBm RX sensitivity (1% PER, 20 byte packet) + 3dBm nominal output power Increased radio performance mode (boost mode) gives -98 dBm 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 32.768-kHz crystal oscillator for higher accuracy needs 16-bit XAP2b microprocessor

Integrated memory: 128 Kbytes of Flash 5 Kbytes of SRAM Configurable memory protection scheme Two sleep modes: Processor idle Deep sleep -1.0 uA (1.5 uA with optional 32.768-kHz 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 2007

Rev 3

1/130
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