X5114 Datasheet, PDF (35/40 Pages) Xicor Inc. – System Controller

X5114
Bi-directional Mode - Parallel Write Data to Port A
PEN (PB4 in)
t_PEW
R/W (PB7 in)
Port A Pins (in)
t_PEWS
t_PEWH
t_PSU
Valid Port Data
(interlocked mode)
TDRE (PB6 out)
(pulsed mode)
IRQA
RDR (flag)
Empty
t_PH
t_RDRF
t_PWRF
Full
Bi-directional Mode - SPI Read Data From Port A
SCKa/SCKb
SOa/SOb
D0
SR Data
t_RDRE
(interlocked mode)
TDRE (PB6 out)
(pulsed mode)
IRQA
RDR (flag)
t_RDRE
t_PRRE
Full
D7
PAL Data
t_RDRP
Empty
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