Port 5; Figure 9.3 Port 5 Pin Configuration - Renesas H8/36912 Series User Manual

• P20/SCK3 pin
Register
Bit Name
Setting value 0
[Legend]
X: Don't care
9.3

Port 5

Port 5 is a general I/O port also functioning as an I
and wakeup interrupt input pin. Each pin of the port 5 is shown in figure 9.3. The register setting
2
of the I C bus interface has priority for functions of the P57/SCL and P56/SDA pins.
Note: * Supported only by the H8/36912 Group.
Port 5 has the following registers.
• Port mode register 5 (PMR5)
• Port control register 5 (PCR5)
• Port data register 5 (PDR5)
• Port pull-up control register 5 (PUCR5)
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SCR3
CKE1 CKE0
0
0 0
0 1
1 X
Port 5

Figure 9.3 Port 5 Pin Configuration

SMR PCR2
COM PCR20
0 0
1
1 X
X X
X X
2
C bus interface I/O pin*, A/D trigger input pin,
P57/SCL
P56/SDA
P55/ /
Pin Function
P20 input pin
P20 output pin
SCK3 output pin
SCK3 output pin
SCK3 input pin
Rev. 1.00, 11/03, page 117 of 376