Port Pull-Up Control Register 1 (Pucr1); Pin Functions - Renesas H8 Series Hardware Manual

Section 9 I/O Ports
9.1.4

Port Pull-Up Control Register 1 (PUCR1)

PUCR1 controls the pull-up MOS in bit units of the pins set as the input ports.
Bit Bit Name
7 PUCR17

6

5
4 PUCR14

3

2

1

0
9.1.5

Pin Functions

The correspondence between the register specification and the port functions is shown below.
• P17/IRQ3/TRGV pin
Register PMR1
Bit Name IRQ3
Setting value 0
1
[Legend]
X: Don't care
Rev. 3.00 Sep. 14, 2006 Page 120 of 408
REJ09B0105-0300
Initial
Value R/W Description
0 R/W Only bits for which PCR1 is cleared are valid.

1 The pull-up MOS of the P17 and P14 pins enter the on-
state when these bits are set to 1, while they enter the

1
off-state when these bits are cleared to 0.
0 R/W
Bits 6, 5, and 3 to 0 are reserved. These bits are always

1
read as 1.

1

1

1
PCR1
PCR17 Pin Function
0 P17 input pin
1 P17 output pin
IRQ3 input/TRGV input pin
X