W83977EF Datasheet, PDF (136/150 Pages) Winbond – WINBOND I/O

W83977EF
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
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: April 2003
Revision 1.1