Port A Pull-Up Mos Control Register (Papcr); Port A Open-Drain Control Register (Paodr) - Renesas H8S Series Hardware Manual

9.4.4

Port A Pull-Up MOS Control Register (PAPCR)

PAPCR is an 8-bit register that controls the MOS input pull-up function.
Bit Bit Name
7 —
6 —
5 —
4 —
3 PA3PCR
2 PA2PCR
1 PA1PCR
0 PA0PCR
9.4.5

Port A Open-Drain Control Register (PAODR)

PAODR is an 8-bit read/write register that specifies the output type of port A.
Bit Bit Name
7 —
6 —
5 —
4 —
3 PA3ODR
2 PA2ODR
1 PA1ODR
0 PA0ODR
Initial Value R/W
Undefined —
Undefined —
Undefined —
Undefined —
0 R/W
0 R/W
0 R/W
0 R/W
Initial Value R/W
Undefined —
Undefined —
Undefined —
Undefined —
0 R/W
0 R/W
0 R/W
0 R/W
Description
Reserved
These bits are read as an undefined value.
When a pin is specified as an input port, setting the
corresponding bit to 1 turns on the MOS input pull-
up for that pin.
Description
Reserved
These bits are read as an undefined value.
When a pin is specified as an output port, setting
the corresponding bit to 1 specifies pin output to
open-drain and the MOS input pull-up to the off
state. Clearing this bit to 0 specifies that to push-
pull output.
Rev. 6.00 Mar 15, 2006 page 139 of 570
Section 9 I/O Ports
REJ09B0211-0600