Description
Bit0 of I/O port 2 Bit1 of I/O port 2 Bit2 of I/O port 2 Bit3 of I/O port 2 Positive power supply Oscillation component connection pin For testing only Negative power supply PWM output 1 PWM output 2
1
December 20, 2000
SN65020
One Channel Direct Drive Speech Controller
ABSOLUTE MAXIMU
Features
- Single power supply 2.4V.
- 5.1V 20 seconds voice capacity is provided Built in a tiny controller One 4-bit I/O port is provided 64.
- 4 bit 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 Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output System cloc.