SN67031 - SONiX Technology Company

SN67031 Speech Controller

Bit0 of I/O port 2 Bit1 of I/O port 2 Bit2 of I/O port 2 Bit3 of I/O port 2 Bit0 of I/O port 3 Bit1 of I/O port 3 Bit2 of I/O port 3 Bit3 of I/O port 3 Positive power supply Oscillation component connection pin For testing only Negative power supply D/A current output 1 December20, 2000 SN67031 Speech Controller „ ABSOLUTE MAXIMUM RATING Items Supply Vol.

Features

Š Š Š Š Š Š Š Š Š Š Š Single power supply 2.4V - 5.1V Built in a tiny controller 31 seconds voice capacity are provided Two 4-bit I/O ports are provided 64
*4 bits RAM are provided Maximum 16k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Fixed current D/A output is provided to drive external connected transistor for sound output Low Voltage Reset „ PIN ASSIGNMENT Symbol P20 P21 P22 P23 P30 P31 P32 P33 VDD OSC TEST GND VO I/O I/O I/O I/O I/O I/O I/O I/O I/O I I I I O Function Description Bit0 of I/O .