W83877ATF Datasheet, PDF (179/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

10.2 UART/Parallel
W83877ATF
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: April 1998
Version 0.51