STK88C4831 - Adpcm Voice Controller
: Pin name P10-P17 P20-P27 AUD1 PWM1 PWM2 OSC RESB CAP TESTB VDD VSS I/O I/O O O O O I I I I (Total 25 pads) Function description 8-bit I/O pins for port 1 with wake-up interrupt 8-bit output pins for port 2 Audio channel 1 current mode D/A output Audio channel 1 PWM output Audio channel 2 PWM outp
STK88C4831 Features
* : STK88C4831 w w w .D at aS he et 4U .c om Voice Microcontroller 1 / 7 Ver 3.0 06/99 www.DataSheet4U.com
* Operating voltage : 2.5V - 3.5V.
* Maximum CPU operating frequency : 4MHz at 2.7V
* Built-in RC oscillator circuit. The oscillation frequency is controlled by an external resi
