HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 285
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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Port F Register (PORTF)
PORTF is an 8-bit read-only register that shows the pin states. Writing of output data for the port
F pins (PF
If a port F read is performed while PFDDR bits are set to 1, the PFDR values are read. If a port F
read is performed while PFDDR bits are cleared to 0, the pin states are read.
After a power-on reset and in hardware standby mode, PORTF contents are determined by the pin
states, as PFDDR and PFDR are initialized. PORTF retains its prior state after a manual reset, and
in software standby mode.
268
Bit
Initial value
R/W
Note: * Determined by state of pins PF
7
to PF
:
:
:
0
) must always be performed on PFDR.
PF7
—*
R
7
PF6
—*
R
6
PF5
—*
7
R
5
to PF
0
.
PF4
—*
R
4
PF3
—*
R
3
PF2
—*
R
2
PF1
—*
R
1
PF0
—*
R
0
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