Datasheet

Section 9 I/O Ports

Rev. 4.00 Mar. 15, 2006 Page 140 of 556

REJ09B0026-0400

• P92/SSO pin

Bit Name PCR92 Pin Function

Setting Value 0 P92 input pin

1 P92 output pin

X SSO input/SSO output pin

[Legend]

X: Don't care.

Note: When this pin is used as the SSO pin, register settings of the SSU are required. For details,

see section 16.4.4, Communication Modes and Pin Functions.

• P91/SSCK pin

Bit Name SCKS PCR91 Pin Function

Setting Value 0 0 P91 input pin

1 P91 output pin

1 X SSCK input/SSCK output pin

[Legend]

X: Don't care.

Note: When this pin is used as the SSCK pin, register settings of the SSU are required. For

details, see section 16.4.4, Communication Modes and Pin Functions.

• P90/SCS pin

Bit Name SSUMS CSS1 CSS0 PCR90 Pin Function

Setting Value 0 X X 0 P90 input pin

X X 1 P90 output pin

1 0 0 0 P90 input pin

1 P90 output pin

0 1 SCS input pin

1 X

SCS output pin

[Legend]

X: Don't care.