W83877TF Datasheet, PDF (83/154 Pages) Winbond – I/O chip disk drive adapter

10.2 UART/Parallel
W83877TF
SIN
(RECEIVER
INPUT DATA)
IRQ3 or IRQ4
IOR
(READ RECEIVER
BUFFER REGISTER)
SERIAL OUT
(SOUT)
IRQ3 or IRQ4
IOW
(WRITE THR)
IOR
(READ TIR)
Receiver Timing
STAR
DATA BITS
(5-8)
PARITY _STOP
TSINT
TRINT
STAR
THRS
THR
TSI
Transmitter Timing
DATA
(5-8)
PARITY
STOP
(1-2)
STAR
TSTI
THR
TIR
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Publication Release Date: March 1998
Version 0.61