UPD77533 datasheet(59/104 Pages) RENESAS

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Data Sheet S15671EJ4V0DS

µµµµPD77533

[Command]

Table 16-8. Format of TXACTV Control

Field

Number of Bytes

Form

Description

CMD-ID

−

0x07

LENGTH

−

1 = Sets use of TXACTV control

0 = References current TXACTV control usage

DATA

TXACTV control

(when LENGTH = 1)

unsigned

0 = TXACTV control not used (default)

Else = TXACTV control used

FLAG

−

0x03

[Response]

The value set or current value is returned in the format shown in Table 16-8.

16.8 Sleep Timer

[Function]

Sets and references the sleep timer.

Figure 16-8. Sleep Timer Flow

[Command]

Table 16-9. Format of Sleep Timer

Field

Number of Bytes

Form

Description

CMD-ID

−

0x12

LENGTH

−

4 = Sets sleep timer

0 = References current sleep timer setting

DATA

Mode

(when LENGTH = 4)

unsigned

0 = Shifts to HALT

Else = Shifts to STOP

Time until sleep

(when LENGTH = 4)

unsigned

Time until the

µPD77533 is shifted to sleep mode.

Unit = ms.

0 = Not shifted to sleep mode (default)

FLAG

−

0x03

[Response]

The value set or current value is returned in the format shown in Table 16-9.

PD77533

Host CPU

CMD-ID = 0x12

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