H8SXSLASH1663 datasheet(535/1158 Pages) RENESAS

535 / 1158 page

Section 9 I/O Ports

Rev.1.00 Jun. 07, 2006 Page 483 of 1102

REJ09B0294-0100

9.3

Port Function Controller

The port function controller controls the I/O ports.

The port function controller incorporates the following registers.

• Port function control register 0 (PFCR0)

• Port function control register 1 (PFCR1)

• Port function control register 2 (PFCR2)

• Port function control register 4 (PFCR4)

• Port function control register 6 (PFCR6)

• Port function control register 7 (PFCR7)

• Port function control register 9 (PFCR9)

• Port function control register B (PFCRB)

• Port function control register C (PFCRC)

9.3.1

Port Function Control Register 0 (PFCR0)

PFCR0 enables/disables the

CS output.

Bit

Bit Name

Initial Value

R/W

Note: * 1 in external extended mode; 0 in other modes.

CS7E

R/W

CS6E

R/W

CS5E

R/W

CS4E

R/W

CS3E

R/W

CS2E

R/W

CS1E

R/W

CS0E

Undefined*

R/W

Bit

Bit Name

Initial

Value

R/W

Description

CS7E

R/W

CS6E

R/W

CS5E

R/W

CS4E

R/W

CS3E

R/W

CS2E

R/W

CS1E

R/W

CS0E

Undefined* R/W

CS7 to CS0 Enable

These bits enable/disable the corresponding

CSn

output.

0: Pin functions as I/O port

1: Pin functions as

CSn output pin

(n = 7 to 0)

Note:

1 in external extended mode, 0 in other modes.

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