upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 134

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

134
Symbol
Symbol
PMC4
PM4
R/W
R/W
(b) Port mode register 4 (PM4)
This is an 8-bit register used to specify the input mode/output mode.
This register can be read and written in 8-bit or 1-bit units.
(c) Port mode control register 4 (PMC4)
This is an 8-bit register used to specify the port mode/control mode.
It can be read and written in 8-bit or 1-bit units.
R/W
R/W
7
1
7
0
PMC42
PMC41
PMC40
PM4n
0
1
0
1
0
1
0
1
Figure 4-31: Port Mode Control Register 4 (PMC4) Format
R/W
R/W
6
1
6
0
SCKB0 Input (Serial clock input/output for CSIB0)
Output mode
Input mode
I/O port
I/O port
SOB0 output (Serial output for CSIB0)
I/O port
SIB0 input (Serial input for CSIB0)
Figure 4-30: Port Mode Register 4 (PM4) Format
R/W
R/W
5
1
5
0
User’s Manual U16702EE3V2UD00
Chapter 4 Port Functions
R/W
R/W
4
1
4
0
P42 pin operation mode specification
P41 pin operation mode specification
P40 pin operation mode specification
I/O mode control (n = 0 to 2)
R/W
R/W
3
1
3
0
PMC42 PMC41
PM42
R/W
R/W
2
2
PM41
R/W
R/W
1
1
PMC40 FFFFF448H
PM40
R/W
R/W
0
0
FFFFF428H
Address
Address
After reset
After reset
FFH
00H