H8SSLASH2218 datasheet(435/750 Pages) RENESAS

435 / 750 page

Section 12 Serial Communication Interface

Rev.6.00 Jun. 03, 2008 Page 387 of 698

REJ09B0074-0600

Bit

Bit Name Initial Value

R/W

Description

ACS3

R/W

Asynchronous Clock Source Select

Selects the clock source in asynchronous mode

depending on the combination with the ACS2 to ACS0

(bits 2 to 0 in SEMRA_0). For details, see section 12.3.9,

Serial Extended Mode Register A_0 (SEMRA_0).

6 to

—

Undefined

—

Reserved

The write value should always be 0.

TIOCA2E 1

R/W

TIOCA2 Output Enable

Controls the TIOCA2 output on the P16 pin.

When the TIOCA2 in TPU is output to generate the

transfer clock, P16 is used as other function pin by

setting this bit to 0.

0: Disables output of TIOCA2 in TPU

1: Enables output of TIOCA2 in TPU

TIOCA1E 1

R/W

TIOCA1 Output Enable

Controls the TIOCA1 output on the P14 pin.

When the TIOCA1 in TPU is output to generate the

transfer clock, P14 is used as other function pin by

setting this bit to 0.

0: Disables output of TIOCA1 in TPU

1: Enables output TIOCA1 in TPU

TIOCC0E 1

R/W

TIOCC0 Output Enable

Controls the TIOCC0 output on the P12 pin.

When the TIOCC0 in TPU is output to generate the

transfer clock, P12 is used as other function pin by

setting this bit to 0.

0: Disables output of TIOCC0 in TPU

1: Enables output of TIOCC0 in TPU

TIOCA0E 1

R/W

TIOCA0 Output Enable

Controls the TIOCA0 output on the P10 pin.

When the TIOCA0 in TPU is output to generate the

transfer clock, P10 is used as other function pin by

setting this bit to 0.

0: Disables output of TIOCA0 in TPU

1: Enables output of TIOCA0 in TPU

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