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3 pin functions – Renesas H8S/2111B User Manual

Page 142

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Rev. 1.00, 05/04, page 108 of 544

7.4.3 Pin

Functions

• P47

The pin function is switched as shown below according to the combination of the P47DDR bit.

P47DDR 0

1

Pin Function

P47 input pin

P47 output pin

• P46

The pin function is switched as shown below according to the combination of the P46DDR bit.

P46DDR 0

1

Pin Function

P46 input pin

P46 output pin

• P45/TMRI1

The pin function is switched as shown below according to the combination of the P45DDR bit.

P45DDR 0

1

P45 input pin

P45 output pin

Pin Function

TMRI1 input pin

Note: * When bits CCLR1 and CCLR0 in TCR1 of TMR_1 are set to 1, this pin is used as the

TMRI1 input pin.

• P44/TMO1

The pin function is switched as shown below according to the combination of the OS3 to OS0
bits in TCSR of TMR_1 and the P44DDR bit.

OS3 to OS0

All 0

Not all 0

P44DDR 0

1

Pin Function

P44 input pin

P44 output pin

TMO1 output pin

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