HD64F3644HV Datasheet, PDF (206/551 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Series

Section 8 I/O Ports
8.4.3 Pin Functions
Table 8.9 shows the port 3 pin functions.
Table 8.9
Pin
P32/SO1
Port 3 Pin Functions
Pin Functions and Selection Method
The pin function depends on bit SO1 in PMR3 and bit PCR32 in PCR3.
SO1
0
1
PCR32
Pin function
0
1
P32 input pin P32 output pin
*
SO1 output pin
P31/SI1
The pin function depends on bit SI1 in PMR3 and bit PCR31 in PCR3.
SI1
0
1
PCR31
0
1
*
Pin function
P31 input pin P31 output pin
SI1 input pin
P30/SCK1
The pin function depends on bit SCK1 in PMR3, bit CKS3 in SCR1, and bit
PCR30 in PCR3.
SCK1
0
1
CKS3
*
0
1
PCR30
0
1
*
*
Pin function
P30 input pin P30 output pin SCK1 output SCK1 input pin
pin
Legend: * Don’t care
Rev. 6.00 Sep 12, 2006 page 184 of 526
REJ09B0326-0600