STK88C4050 Datasheet | Syntec Semiconductor

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. - I/O port. 24 I/O pins. 8 of 24 pins with wake up function. - Five 12-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 STK88C4050 w w w .D at a S he et 4U .c om Voice Microcontroller 1/23 .. Syntek Semiconductor Co., Ltd. 2. PIN NAME ASSIGNMENT ( Total: 97 pads ) 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) 26) 27) 28) 29) 30) 31) 32) Pin Name P10~P17 P20~P27 P30~P37 DAC1 DAC2 PWM1 PWM2 VCOCAP RXOSC XOSC2 RESB TESTB VDD VDD(PWM) GND1 GND2 GND(PWM) ROMSEL[1:0] ROMCSB ROMEB[3:0] RADDR[19:14] XADDR[4:1] ADDR[15:0] DATA[7:0] IRQA ICE_MOD R/W CPUDATA[7:0] RDY6502 IRQL NMIL CRESB I/O I/O I/O I/O O O O O I/O I O I I I I I I I I O O O O I/O I I I I/O I/O O O O O Function description 8-bit I/O pins for port 1 with wake-up interrupt 8-bit I/O pins for port 2 8-bit I/O pins for port 3 Current output port Current output port Voltage output port Voltage output port PLL used. X’TAL or Ring osc pad X’TAL pad System reset pin; internal pull_high. Test pin; internal pull_high. Power Power for PWM module Ground Ground Ground for PWM module Rom size selection. For external rom chip enable For external rom chip output enable For external rom address For external rom address External rom and CPU address Data from external rom Low...