r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1472

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

28. General Purpose I/O Ports (GPIO)
Note:
Rev.1.00 Jan. 10, 2008 Page 1442 of 1658
REJ09B0261-0100
Bit
15 to 8
7
6
5
4
3
2
1
0
*
Bit Name
—
SIOFUP1
SIOFUP0
CLKPUP
NMIPUP
IRL3PUP
IRL2PUP
IRL1PUP
IRL0PUP
The pull-up MOS of this pin cannot be used for MODE pin setting during power-on reset
by the PRESET pin. (The pull-up MOS is turned off during power-on reset by the
PRESET pin.)
Initial
value
All 1
1
1
1
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 1, and the write value
should always be 1.
Controls pull-up of the MODE6/SIOF_MCLK pin
0: MODE6/SIOF_ MCLK pull-up off
1: MODE6/SIOF_ MCLK pull-up on*
Controls pull-up of the MODE5/SIOF_SYNC pin
0: MODE5/SIOF_SYNC pull-up off
1: MODE5/SIOF_SYNC pull-up on*
Controls pull-up of the SCIF2_RXD/SIOF_RXD pin
0: SCIF2_RXD/SIOF_RXD pull-up off
1: SCIF2_RXD/SIOF_RXD pull-up on
Controls pull-up of the NMI pin
0: NMI pull-up off
1: NMI pull-up on
Controls pull-up of the IRL3 pin
0: IRL3 pull-up off
1: IRL3 pull-up on
Controls pull-up of the IRL2 pin
0: IRL2 pull-up off
1: IRL2 pull-up on
Controls pull-up of the RL1 pin
0: IRL1 pull-up off
1: IRL1 pull-up on
Controls pull-up of the IRL0 pin
0: IRL0 pull-up off
1: IRL0 pull-up on