SN250 Datasheet | STMicroelectronics

Features - - Integrated 2.4GHz, IEEE 802.15.4-pliant transceiver: - Robust RX filtering allows co-existence with IEEE 802.11g and Bluetooth devices - - 97d Bm RX sensitivity (1% PER, 20byte packet) - + 3d Bm nominal output power - Increased radio performance mode (boost mode) gives - 98d Bm sensitivity and + 5d Bm 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 In Sight Development Environment Provides integrated RC oscillator for low power operation Supports optional 32.768k Hz crystal oscillator for higher accuracy needs 16-bit XAP2b microprocessor Integrated memory: - 128k B of Flash - 5k B of SRAM Configurable memory protection scheme Two sleep modes: - Processor idle - Deep sleep- 1.0μA (1.5μA with optional 32.768k Hz 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 .st. 1 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. Data Sheet 4 U . .. Contents Contents 1 2 3 4 5 General description - - - - - - - - . . . . 5 Order codes - - - - -...