UPD77533 datasheet(63/104 Pages) RENESAS

номер детали	UPD77533

подробное описание детали	MOS INTEGRATED CIRCUIT

PDF	104 Pages

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Data Sheet S15671EJ4V0DS

µµµµPD77533

[Command]

Table 16-13. Format of SnapShot Memory Check Command

Field

Number of Bytes

Form

Description

CMD-ID

−

0x2D

LENGTH

−

FLAG

−

0x03

[Response]

If there is no SnapShot memory error, a response is returned in the format shown in Table 16-13. If there is an error,

the error is returned in the following format.

Table 16-14. Format of SnapShot Memory Check Response (When Error Occurred)

Field

Number of Bytes

Form

Description

CMD-ID

−

0x2D

LENGTH

−

DATA

Address

unsigned

SnapShot memory address where error occurred

(0x0000 to 0xFFFFF)

Written value

−

Value written to SnapShot memory

Read value

−

Value read from SnapShot memory

FLAG

−

0x03

[Remark]

This command is used to check whether the values 0x0000, 0xAAAA, 0xFFFF, and 0x5555 written to all SnapShot

memory areas can be read correctly.

16.13 Status Request

[Function]

Checks the operation of the

µPD77533.

Figure 16-13. Status Request Flow

[Command]

Table 16-15. Format of Status Request Command

Field

Number of Bytes

Form

Description

CMD-ID

−

0x30

LENGTH

−

FLAG

−

0x03

PD77533

Host CPU

CMD-ID = 0x30

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