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Rev. 1.00, 05/04, page 139 of 544
• PF6/ExTMOX
The pin function is switched as shown below according to the combination of the IOSX bit* in
TCRXY of TMR_X, the OS3 to OS0 bits in TCSR_X, and the PF6DDR bit.
IOSX* 0 1
OS3 to OS0 — All 0 Not all 0
PF6DDR 0 1 0 1 —
Pin Function PF6
input pin
PF6
output pin
PF6
input pin
PF6
output pin
ExTMOX
output pin*
Notes: * The program development tool (emulator) does not support this function.
• PF5/ExTMIY
The pin function is switched as shown below according to the state of the PF5DDR bit.
PF5DDR 0 1
PF5 input pin PF5 output pin Pin Function
ExTMIY input pin *
Note: * The program development tool (emulator) does not support this function. When the
IOSY bit is set to 1, this pin can be used as the ExTMIY input pin.
• PF4/ExTMIX
The pin function is switched as shown below according to the state of the PF4DDR bit.
PF4DDR 0 1
PF4 input pin PF4 output pin Pin Function
ExTMIX input pin*
Note: * The program development tool (emulator) does not support this function. When the
IOSX bit is set to 1, this pin can be used as the ExTMIX input pin.
• PF3/TMOB
The pin function is switched as shown below according to the combination of the OS3 to OS0
bits in TCSR_B of TMR_B and the PF3DDR bit.
OS3 to OS0 All 0 Not all 0
PF3DDR 0 1 —
Pin Function PF3 input pin PF3 output pin TMOB output pin