r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1469

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

28.2.38 Port M Pull-Up Control Register (PMPUPR)
PMPUPR is an 8-bit readable/writable register that performs the pull-up control for each of the
port M1 and M0 (PM1 to PM0) pins when the port M pins are used by peripheral modules. When
the port M pins are used by the GPIO, the setting for this register is ignored.
Note: n = 1 to 0
Bit
7 to 2
1
0
Bit Name
—
PM1PUPR
PM0PUPR
Initial value:
Initial
value
All 1
1
1
R/W:
Bit:
R/W
R/W
R/W
R/W
R/W
—
7
1
R/W
—
6
1
Description
Reserved
These bits are always read as 1, and the write value
should always be 1.
Pull-up of each Port M pin can be controlled
independently.
0: PMn pull-up off
1: PMn pull-up on
R/W
—
5
1
R/W
—
4
1
R/W
—
3
1
Rev.1.00 Jan. 10, 2008 Page 1439 of 1658
R/W
—
2
1
28. General Purpose I/O Ports (GPIO)
PUPR
R/W
PM1
1
1
PUPR
R/W
PM0
0
1
REJ09B0261-0100