SH7014 datasheet(577/754 Pages) RENESAS

577 / 754 page

18. 128 kB Flash Memory (F-ZTAT)

Rev.5.00 Sep. 27, 2007 Page 543 of 716

REJ09B0398-0500

Table 18.19 Status Read Mode Return Commands

Pin Name I/O7

I/O6

I/O5

I/O4

I/O3

I/O2

I/O1

I/O0

Attribute

Normal

end

identification

Command

error

Programming

error

Erase

error

⎯

Programming

or erase

count

exceeded

Effective

address error

Initial value 0

Indications Normal

end: 0

Abnormal

end: 1

Command

Error: 1

Otherwise: 0

Programming

Error: 1

Otherwise: 0

Erasing

Error: 1

Otherwise: 0

⎯

Count

exceeded: 1

Otherwise: 0

Effective

address

Error: 1

Otherwise: 0

Note:

I/O2 and I/O3 are undefined at present.

18.11.7

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.

Table 18.20 Status Polling Output Truth Table

Pin Name

During Internal

Operation

Abnormal End

⎯

Normal End

I/O7

I/O6

I/O0 to I/O5

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