Renesas SH7781 用户手册
28. General Purpose I/O Ports (GPIO)
Rev.1.00 Jan. 10, 2008 Page 1386 of 1658
REJ09B0261-0100
REJ09B0261-0100
28.2.1
Port A Control Register (PACR)
PACR is a 16-bit readable/writable register that selects the pin function and controls the input
pull-up MOS.
pull-up MOS.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PA0
MD0
PA0
MD1
PA1
MD0
PA1
MD1
PA2
MD0
PA2
MD1
PA3
MD0
PA3
MD1
PA4
MD0
PA4
MD1
PA5
MD0
PA5
MD1
PA6
MD0
PA6
MD1
PA7
MD1
PA7
MD0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
value R/W Description
value R/W Description
15
14
PA7MD1
PA7MD0
0
0
R/W
R/W
PA7 Mode
00: LBSC/PCIC module (D63/AD31)*
When the bus mode is set to DU via the bus-mode
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
13
12
PA6MD1
PA6MD0
0
0
R/W
R/W
PA6 Mode
00: LBSC/PCIC module (D62/AD30)*
When the bus mode is set to DU via the bus-mode
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
11
10
PA5MD1
PA5MD0
0
0
R/W
R/W
PA5 Mode
00: LBSC/PCIC module (D61/AD29)*
When the bus mode is set to DU via the bus-mode
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)