W65C51N Asynchronous Communications Interface Adapter (ACIA)

Interface Signals Relationship

Features of the W65C51N

Full duplex operation with buffered receiver and transmitter
Data set/modem control functions
Internal baud rate generator with 15 programmable baud rates (50 to 19,200)
Program−selectable internally or externally controlled receiver rate
Programmable word lengths, number of stop bits and parity bit generation and detection
Programmable interrupt control
Program reset
Program−selectable serial echo mode
2 Chip Selects
14 MHz Operating Bus Speed
5V Power Supply
Full TTL compatibility
Bus compatible with 14 MHz W65C02S and W65C816S
Bus Compatible with 65xx and 68xx microprocessors
Replacement for CMD / GTE Harris / MOS Technology / GE / RCA / Synertek / Motorola / Freescale / Rockwell R6551, 65SC51, 65C51, 6551, CPD65C51, 6551, 6850