NEC uPD78056Y User Manual

Page 364

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364

CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (

µ

PD78054Y Subseries)

(c) Interrupt timing specify register (SINT)

SINT is set with a 1-bit or 8-bit memory manipulation instruction.

RESET input sets SINT to 00H.

Notes 1. Bit 6 (CLD) is a read-only bit.

2. When CSIE0 = 0, CLD becomes 0.

Caution

Be sure to set bits 0 to 3 to 0 in the 2-wire serial I/O mode is used.

Remark

CSIIF0 : Interrupt request flag corresponding to INTCSI0

CSIE0 : Bit 7 of serial operating mode register 0 (CSIM0)

<6>

<5>

<4>

<3>

<2>

1

0

7

Symbol

SINT

0

CLD

SIC

CLC WREL WAT1 WAT0

FF63H 00H R/W

Note 1

Address After Reset R/W

SVAM

SIC

0

INTCSI0 Interrupt Factor Selection

CSIIF0 is set upon termination of serial interface channel 0 transfer

CSIIF0 is set upon bus release detection or termination of serial interface channel 0 transfer

CLD

0

1

SCK0 Pin Level

Note 2

Low level

High level

R/W

R

1

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