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7.13.3
Port E and Port F Input Data Registers (PEPIN, PFPIN)
Reading PEPIN and PFPIN always returns the pin states.
Bit
Bit Name
7
PE7PIN
6
PE6PIN
5
PE5PIN
4
PE4PIN
3
PE3PIN
2
PE2PIN
1
PE1PIN
0
PE0PIN
Note:
*
The initial value is determined according to the PE7 to PE0 pin states.
Bit
Bit Name
7
PF7PIN
6
PF6PIN
5
PF5PIN
4
PF4PIN
3
PF3PIN
2
PF2PIN
1
PF1PIN
0
PF0PIN
Note:
*
The initial value is determined according to the PF7 to PF0 pin states.
7.13.4
Pin Functions
• PF7/TMOY
The pin function is switched as shown below according to the combination of the IOSY bit* in
TCRXY of TMT_Y, the OS3 to OS0 bits in TCSR_Y, and the PF7DDR bit.
IOSY*
OS3 to OS0
PF7DDR
Pin Function
Notes: *
The program development tool (emulator) does not support this function.
Rev. 1.00, 05/04, page 138 of 544
Initial
Value
R/W
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Initial
Value
R/W
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
0
—
0
PF7
input pin
output pin
Description
PEPIN indicates the port E state. PEPIN has the same
address as PEDDR. If a write is performed, the port E
settings will change.
Description
PFPIN indicates the port F state. PFPIN has the same
address as PFDDR. If a write is performed, the port F
settings will change.
1
0
PF7
PF7
input pin
1
All 0
Not all 0
1
PF7
TMOY
output pin
output pin*
—
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