Section 18 I/O Ports
Rev. 5.00 May 29, 2006 page 518 of 698
REJ09B0146-0500
18.6.2
Port F Data Register (PFDR)
Port F data register (PFDR) is an 8-bit register composed of a 1-bit readable register and a 7-bit
readable/writable register. This register stores data for pins PTF6 to PTF0. PF6DT to PF0DT bit
corresponds to PTF6 to PTF0 pin. When the function is general input port, if the port is read the
corresponding pin level is read.
PFDR is initialized by a power-on reset, after which the general input port function (pull-up MOS
on) is set as the initial pin function, and the corresponding pin levels are read. It retains its
previous value in standby mode and sleep mode, and in a manual reset.
Bit
Bit Name
Initial Value
R/W
Description
7
0
R
Reserved
6
PF6DT
0
R/W
Table 18.6 shows the function of PFDR.
5
PF5DT
0
R/W
4
PF4DT
0
R/W
3
PF3DT
0
R/W
2
PF2DT
0
R/W
1
PF1DT
0
R/W
0
PF0DT
0
R/W
Table 18.6
Read/Write Operation of the Port F Data Register (PFDR)
PFnMD1 PFnMD0
Pin State
Read
Write
0
Other functions
PFDR value
Can be written to PFDR but does not affect
the pin state.
0
1
Output
PFDR value
A value to be written is output from the pin.
0
Input (Pull-up
MOS: on)
Pin state
Can be written to PFDR but does not affect
the pin state.
1
1
Input (Pull-up
MOS: off)
Pin state
Can be written to PFDR but does not affect
the pin state.
Note:
n = 0 to 6
Содержание SH7706 Series
Страница 8: ...Rev 5 00 May 29 2006 page viii of xlviii ...
Страница 160: ...Section 5 Cache Rev 5 00 May 29 2006 page 112 of 698 REJ09B0146 0500 ...
Страница 370: ...Section 11 Watchdog Timer WDT Rev 5 00 May 29 2006 page 322 of 698 REJ09B0146 0500 ...
Страница 532: ...Section 16 Serial Communication Interface with FIFO SCIF Rev 5 00 May 29 2006 page 484 of 698 REJ09B0146 0500 ...
Страница 554: ...Section 17 Pin Function Controller PFC Rev 5 00 May 29 2006 page 506 of 698 REJ09B0146 0500 ...
Страница 576: ...Section 18 I O Ports Rev 5 00 May 29 2006 page 528 of 698 REJ09B0146 0500 ...
Страница 614: ...Section 21 User Debugging Interface H UDI Rev 5 00 May 29 2006 page 566 of 698 REJ09B0146 0500 ...
Страница 746: ...Index Rev 5 00 May 29 2006 page 698 of 698 REJ09B0146 0500 ...
Страница 749: ...SH7706 Group Hardware Manual ...