SH7041A datasheet(775/923 Pages) RENESAS

Part #	SH7041A

Description	Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

PDF	923 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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737

A16-0

I/O7-0

twep

toe

tdf

tds

tdh

tces

tceh

tce

tceh

tnxtc

tces

H'71

;;;;

twep

H'71

Note : I/O2 and I/O3 are undefined.

Figure 22.27 Status Read Mode Timing Waveforms

Table 22.19 Return Commands for the Status Read Mode

Pin Name

I/O7

I/O6

I/O5

I/O4

I/O3

I/O2

I/O1

I/O0

Attribute

Normal

end

identification

Command

error

Program-

ming error

Erase

error

—

Program-

ming or

erase count

exceeded

Effective

address error

Initial value 0

Indications Normal

end: 0

Abnormal

end: 1

Command

Error: 1

Otherwise: 0

Program-

ming

Error: 1

Otherwise: 0

Erasing

Error: 1

Otherwise: 0

—

Count

exceeded: 1

Otherwise: 0

Effective

address

Error: 1

Otherwise: 0

Note:

D2 and D3 are undefined at present.

22.11.7

Status Polling

1. I/O7 status polling is a flag that indicates the operating status in auto-program/auto-erase

mode.

2. I/O6 status polling is a flag that indicates a normal or abnormal end in auto-program/auto-erase

mode.

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