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uPD780065 Subseries PUM - Renesas Electronics

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Symbol<br />

226<br />

CHAPTER 14 SERIAL INTERFACE (SIO1)<br />

(b) Automatic data transmit/receive control register (ADTC0)<br />

ADTC0 is set with a 1-bit or 8-bit memory manipulation instruction.<br />

RESET input sets ADTC0 to 00H.<br />

Address: FF69H After reset: 00H R/WNote 1<br />

7<br />

6 5 4 3 2 1 0<br />

ADTC0 RE0 ARLD0 ERCE0 ERR0 TRF0 STRB0 BUSY10BUSY00<br />

R/W<br />

BUSY10BUSY00<br />

Busy input control<br />

0 ×<br />

Note 2<br />

Not using busy input<br />

1 0 Busy input enable (active high)<br />

1 1 Busy input enable (active low)<br />

R/W<br />

STRB0<br />

0<br />

1<br />

R<br />

TRF0<br />

Preliminary User’s Manual U13420EJ2V0UM00<br />

0<br />

1<br />

R ERR0<br />

0<br />

1<br />

R/W ERCE0<br />

0<br />

1<br />

R/W ARLD0<br />

0<br />

1<br />

R/W RE0<br />

0<br />

1<br />

Strobe output control<br />

Note 3<br />

Strobe output disable<br />

Strobe output enable<br />

Status of automatic transmit/receive functionNote 4<br />

Detection of termination of automatic transmission/<br />

reception (This bit is set to 0 upon suspension of<br />

automatic transmission/reception or when ARLD0 = 0.)<br />

During automatic transmission/reception<br />

(This bit is set to 1 when data is written to SIO1.)<br />

Error detection of automatic transmit/receive<br />

function<br />

No error<br />

(This bit is set to 0 when data is written to SIO1)<br />

Error occurred<br />

Error check control of automatic transmit/receive<br />

function<br />

Error check disable<br />

Error check enable (only when BUSY10 = 1)<br />

Operation mode selection of automatic transmit/<br />

receive function<br />

Single operating mode<br />

Repetitive operating mode<br />

Receive control of automatic transmit/receive<br />

function<br />

Note 5<br />

Receive disable<br />

Receive enable

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