HD64F3694HV Datasheet, PDF (142/452 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

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.
Initial
Bit
Bit Name Value R/W Description
7
PUCR17 0
6
PUCR16 0
5
PUCR15 0
4
PUCR14 0
3

1
R/W Only bits for which PCR1 is cleared are valid. The pull-up
R/W ^{MOS of P17 to P14 and P12 to P10 pins enter the on-}
state when these bits are set to 1, while they enter the
R/W _{off-state when these bits are cleared to 0.}
R/W _{Bit 3 is a reserved bit. This bit is always read as 1.}

2
PUCR12 0
R/W
1
PUCR11 0
R/W
0
PUCR10 0
R/W
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.
PCR1
PCR17
0
1
X
Pin Function
P17 input pin
P17 output pin
IRQ3 input/TRGV input pin
P16/IRQ2 pin
Register PMR1
Bit Name IRQ2
Setting value 0
1
Legend: X: Don't care.
PCR1
PCR16
0
1
X
Pin Function
P16 input pin
P16 output pin
IRQ2 input pin
Rev.5.00 Nov. 02, 2005 Page 112 of 418
REJ09B0028-0500