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W83977F Datasheet, PDF (167/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT
12.2 UART/Parallel
SIN
(RECEIVER
INPUT DATA)
IRQ3 or IRQ4
IOR
(READ RECEIVER
BUFFER REGISTER)
SERIAL OUT
(SOUT)
IRQ3 or IRQ4
IOW
(WRITE THR)
IOR
(READ TIR)
STAR
STAR
THRS
THR
TSI
W83977F/ W83977AF
PRELIMINARY
Receiver Timing
DATA BITS
(5-8)
PARITY STOP
TSINT
TRINT
Transmitter Timing
DATA
(5-8)
PARITY
STOP
(1-2)
STAR
TSTI
THR
TIR
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Publication Release Date: March 1998
Revision 0.58