SN66168B - 4-Channel Speech Controller
I Bit3 ~ Bit0 of input port 1 I/O Bit3 ~ Bit0 of I/O port 2 I/O Bit3 ~ Bit0 of I/O port 3 O I I I O I Bit3 ~ Bit0 of output port 4 Positive power supply Negative power supply Oscillator / Crystal In Crystal Out Clock type select ‘L’ or floating → RC oscillator ‘H’ →Crystal D/A current output, for ch
SN66168B Features
* Single power supply 2.4V
* 5.1V Built in a tiny controller 168 seconds voice capacity are provided One 4-bit input port, two 4-bit I/O ports and one 4-bit output port are provided 128
* 4 bits RAM are provided Maximum 64k program ROM is provided Readable ROM code data www.DataSheet4U.com B
