WT5041

www.DataSheet4U.com eltrend WT5041 8-bit µ C with Heart Rate Detect Circuits Version 1.01 WT5041 8-bit uC with Heart Rate Detect Circuits REV. 1.01 March 28, 2001 Weltrend Semiconductor Inc. 2F, No. 24, Industry East 9th Road, Science-Based Industrial Park, Hsin-chu, TAIWAN TEL: 886-3-5780241 FAX: 886-3-5770419 1 www.DataSheet4U.com eltrend WT5041 8-bit µ C with Heart Rate Detect Circuits Version 1.01 DESCRIPTION The WT5041 is a high-performance, low-cost, CMOS 8-bit single-chip micro controller with on-chip OP Amp (OPA) for heart rate detect and 128 segments LCD driver. This chip can be used dedicate for applications where heart rate and LCD display are required, for example sports bicycle meter, heart rate meter and heart rate watch. This chip has 8-bit CPU, RAM, ROM, I/Os, one 16-bit timer/counters, dual 8-bit timer, interrupt controller, three 8-bit PWM D/A output, resister to frequency converter (RFC), heart rate detect circuits, and a LCD driver. To be suitable for portable battery-powered applications, a power saving function is included. FEATURES u u u u 8-bit single chip micro controller with 8Kbytes ROM and 256 Bytes SRAM Wide voltage operating range from 2.4 V to 5.5 V Built-in 32.768KHz OSC circuits. 14 interrupt sources, 14 halt mode release sources (warm start), 8 off mode wake up sources (cold start); all sources have independent latches each and multi-control is available. u I/O port (32 pins) u I/O port0 u I/O port1 u I/O port1 u I/O port1 u I/O por...