STK88C2441

Syntek Semiconductor Co., Ltd. Specification 1. FEATURES * Operating voltage : 2.5V - 5.5V. * Maximum CPU operating frequency : 4,194,304Hz at 2.7V. * Provide X’tal or RC oscillator. Both can run at high speed or slow speed(low power). RC oscillator can detect internal or external resister automatically. * Support 4M bytes program and data ROM. 256K bytes of them are built-in. * Built in 128 bytes RAM. * I/O port. 24 I/O pins. 8 of 24 pins with wake up function. * Six 8-bit timers. * Four channels for voice or melody processing. * Two DACs for voice or melody playing. Also, internal programming for single DAC playing. * One pair of PWM for voice or melody playing. * Eight interrupt sources : NMI - Can be Watchdog Timer interrupt IRQ0 - Timer 0 interrupt IRQ1 - Timer 1 interrupt IRQ2 - Timer 2 interrupt IRQ3 - Timer 3 interrupt IRQ4 - Timer 4 interrupt IRQ5 - External interrupt IRQ6 - Base Timer interrupt IRQ7 - Timer 5 interrupt STK88C2441 w w w .D at aS he et 4U .c om Voice Controllerr 1/ 1 Issue Date : 27 March,2000 www.DataSheet4U.com Syntek Semiconductor Co., Ltd. 2. PIN NAME ASSIGNMENT ( Total: 62 pads ) 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) Pin Name PA0~PA7 PB0~PB7 PC0~PC7 A0-A13 D0-D7 CEB /EXTROM DAC1 DAC2 PWM1 PWM2 VCOCAP RXOSC XOSC2 XR RESB TESTB VDD VDD(PWM) GND GND(PWM) I/O I/O I/O O I/O O I O O O O I/O I O I I I I I I I STK88C2441 Function description 8-bit I/O pins for port 1 with wake-up interrupt I/O 8-bit I/O pins ...