HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 194

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

8.4.3
Table 8.9 shows the port 3 pin functions.
Table 8.9
Pin
P3
P3
P3
Note: * Don’t care
186
2
1
0
/SO
/SI
/SCK
1
1
1
Pin Functions
Port 3 Pin Functions
Pin Functions and Selection Method
The pin function depends on bit SO1 in PMR3 and bit PCR3
SO1
PCR3
Pin function
The pin function depends on bit SI1 in PMR3 and bit PCR3
SI1
PCR3
Pin function
The pin function depends on bit SCK1 in PMR3, bit CKS3 in SCR1, and bit
PCR3
SCK1
CKS3
PCR3
Pin function
2
1
0
0
in PCR3.
P3
P3
P3
2
1
0
input pin
input pin
input pin
0
0
0
0
0
0
*
P3
P3
P3
2
1
0
output pin
output pin
output pin SCK
1
1
1
1
pin
0
*
output
SO
1
SI
2
in PCR3.
1
in PCR3.
1
output pin
input pin
1
*
1
*
1
SCK
1
input pin
1
*