SN250

www.DataSheet4U.com SN250 Single-chip ZigBeeTM/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 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ July 2006 Rev 1.0 1/130 www.st.com 1 This is preliminary information on a new p...