R8C2C datasheet(89/615 Pages) RENESAS

89 / 615 page

R8C/2C Group, R8C/2D Group

7. Programmable I/O Ports

Rev.2.00

Dec 05, 2007

Page 68 of 585

REJ09B0339-0200

Figure 7.14

Pi (i = 0 to 9) Registers

Port Pi Register (i = 0 to 9)

Symbol

Address

After Reset

00E0h

Undefined

00E1h

Undefined

00E4h

Undefined

00E5h

Undefined

P4(1)

00E8h

Undefined

00E9h

Undefined

00ECh

Undefined

02E2h

Undefined

02E6h

Undefined

P9(2)

02E7h

Undefined

Bit Symbol

Bit Name

Function

NOTES:

Port Pi_6 bit

Port Pi_2 bit

The pin level of any I/O port w hich is set to

input mode can be read by reading the

corresponding bit in this register. The pin level

of any I/O port w hich is set to output mode

can be controlled by w riting to the

corresponding bit in this register.

0 : “L” level

1 : “H” level

Port Pi_0 bit

Port Pi_1 bit

Port Pi_7 bit

Port Pi_5 bit

Port Pi_4 bit

Port Pi_3 bit

b7 b6 b5 b4

Pi_1

Pi_5

Pi_0

Pi_2

Pi_4

Pi_3

b3 b2 b1

Bits P9_4 to P9_7 in the P9 register are unavailable on this MCU.

If it is necessary to set bits P9_4 to P9_7, set to 0. When read, the content is 0.

Bits P4_0 to P4_2 in the P4 register are unavailable on this MCU.

If it is necessary to set bits P4_0 to P4_2, set to 0. When read, the content is 0.

Pi_7

Pi_6

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