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7.14.4
Pin Functions
• PG7/ExSCLB
The pin function is switched as shown below according to the combination of the IIC1BS and
the IIC0BS bits in PGCTL of the IIC* and the PG7DDR bit.
IIC1BS and IIC0BS*
PG7DDR
Pin Function
Note:
*
The program development tool (emulator) does not support this function. The output
type of ExSCLB is NMOS open-drain output and this pin has direct bus drive capability.
• PG6/ExSDAB
The pin function is switched as shown below according to the combination of the IIC1BS and
the IIC0BS bits in PGCTL of the IIC* and the PG6DDR bit.
IIC1BS and IIC0BS*
PG6DDR
Pin Function
Note:
*
The program development tool (emulator) does not support this function. The output
type of ExSDAB is NMOS open-drain output and this pin has direct bus drive capability.
• PG5/ExSCLA
The pin function is switched as shown below according to the combination of the IIC1AS and
the IIC0AS bits in PGCTL of the IIC* and the PG5DDR bit.
IIC1AS and IIC0AS*
PG5DDR
Pin Function
Note:
The program development tool (emulator) does not support this function. The output
*
type of ExSCLA is NMOS open-drain output and this pin has direct bus drive capability.
• PG4/ExSDAA
The pin function is switched as shown below according to the combination of the IIC1AS and
the IIC0AS bits in PGCTL of the IIC* and the PG4DDR bit.
IIC1AS and IIC0AS*
PG4DDR
Pin Function
Note:
*
The program development tool (emulator) does not support this function. The output
type of ExSDAA is NMOS open-drain output and this pin has direct bus drive capability.
Rev. 1.00, 05/04, page 144 of 544
All 0
0
PG7 input pin
All 0
0
PG6 input pin
All 0
0
PG5 input pin
All 0
0
PG4 input pin
1
PG7 output pin
1
PG6 output pin
1
PG5 output pin
1
PG4 output pin
Not all 0
—
ExSCLB I/O pin*
Not all 0
—
ExSDAB I/O pin*
Not all 0
—
ExSCLA I/O pin*
Not all 0
—
ExSDAA I/O pin*
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