7630 datasheet(70/238 Pages) RENESAS

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APPLICATION

2.1 I/O ports

2-4

7630 Group User’s Manual

Fig. 2.1.4 Structure of Port Pi pull-up register (i = 0, 2)

Fig. 2.1.5 Structure of Port P1 pull-up register

Port Pi pull-up control register

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Port Pi pull-up control register (PUPi) (i = 0, 2) [Address : 002816, 002A16]

Pi0 pull-up transistor control bit

0 : No pull-up

1 : Pull-up

Pi1 pull-up transistor control bit

Pi2 pull-up transistor control bit

Pi3 pull-up transistor control bit

Pi4 pull-up transistor control bit

Pi5 pull-up transistor control bit

Pi6 pull-up transistor control bit

Pi7 pull-up transistor control bit

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

Port P1 pull-up control register

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Port P1 pull-up control register (PUP1) [Address : 002916]

P12 pull-up transistor control bit

0 : No pull-up

1 : Pull-up

P13 pull-up transistor control bit

P14 pull-up transistor control bit

P15 pull-up transistor control bit

P16 pull-up transistor control bit

P17 pull-up transistor control bit

Not used (“0” when read, don't write “1”.)

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

0 : No pull-up

1 : Pull-up

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