32186 datasheet(229/1032 Pages) RENESAS

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INPUT/OUTPUT PORTS AND PIN FUNCTIONS

8-27

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

P17 Operation Mode Register (P17MOD)

<Address: H’0080 0751>

Bit Name

Function

8–11

No function assigned. Fix to "0."

P174MD

0: P174

Port P174 operation mode bit

1: TXD2/TO28 (Note 1)

P175MD

0: P175

Port P175 operation mode bit

1: RXD2/TO27 (Note 1)

14, 15

No function assigned. Fix to "0."

Note 1: Which function of the pin is used depends on how the P17 Peripheral Function Select Register is set.

8.3 Input/Output Port Related Registers

11121314

b15

P174MD

P175MD

000

0000

P17 Peripheral Function Select Register (P17SMOD)

<Address: H’0080 0771>

Bit Name

Function

8–11

No function assigned. Fix to "0."

P174SMD

0: TXD2

Port P174 peripheral function select bit

1: TO28

P175SMD

0: RXD2

Port P175 peripheral function select bit

1: TO27

14, 15

No function assigned. Fix to "0."

Note: • The value of this register can only be modified when the corresponding P17 operation mode register bit = 0 (set for port). Then

set the corresponging P17 operation mode register bit to "1."

1011121314

b15

P174SMD P175SMD

000

0000

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