X5114 Datasheet, PDF (36/40 Pages) Xicor Inc. – System Controller

X5114
Bi-directional Mode - SPI Write Data to Port A
SCKa/SCKb
SIa/SIb
Ports (Driven Outputs)
(interlocked mode)
RDRF (PB5 out)
(pulsed mode)
IRQA
XRE (flag)
D1
D0
Port A Data
Old Port A Data
t_XREF
t_XREF
t_PWXF
Empty
t_PV
New Port A Data
t_XREP
Full
Bi-directional Mode - Parallel Read Data From Port A
PEN (PB4 in)
t_PER
R/W (PB7 in)
Port A Pins (out)
t_PEPR
Valid Port Data
(interlocked mode)
RDRF (PB5 out)
(pulsed mode)
IRQA
XRE (flag)
Full
t_PEPD
t_XREE
t_PRXE
Empty
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