HD6412350 Hitachi, HD6412350 Datasheet - Page 364

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

9.4.3
Port 3 pins also function as SCI I/O pins (TxD0, RxD0, SCK0, TxD1, RxD1, and SCK1). Port 3
pin functions are shown in table 9-7.
Table 9-7
Pin
P3
P3
344
5
4
/SCK1
/SCK0
Pin Functions
Port 3 Pin Functions
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
bit C/A in the SCI1 SMR, bits CKE0 and CKE1 in SCR, and bit P35DDR.
Note: * When P35ODR = 1, the pin becomes an NMOS open-drain output.
The pin function is switched as shown below according to the combination of
bit C/A in the SCI0 SMR, bits CKE0 and CKE1 in SCR, and bit P34DDR.
Note: * When P34ODR = 1, the pin becomes an NMOS open-drain output.
CKE1
C/A
CKE0
P35DDR
Pin function
CKE1
C/A
CKE0
P34DDR
Pin function
input pin
input pin
P3
P3
0
0
5
4
0
0
output pin*
output pin*
P3
P3
0
1
0
1
5
4
0
0
output pin*
output pin*
SCK1
SCK0
—
—
1
1
output pin*
output pin*
SCK1
SCK0
—
—
—
—
1
1
input pin
input pin
SCK1
SCK0
—
—
—
—
—
—
1
1