NEC uPD78056Y User Manual

Page 556

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556

CHAPTER 26

µ

PD78P054, 78P058

Start

Address = G

V

DD

= 6.5 V, V

PP

= 12.5 V

X = 0

X = X + 1

0.1-ms program pulse

Verify

Address = N?

V

DD

= 4.5 to 5.5 V, V

PP

= V

DD

All bytes verified?

End of write

Fail

Fail

Pass

Yes

All Pass

No

Pass

Defective product

No

Yes

X = 10?

Address = Address + 1

Remark:

G = Start address

N = Last address of program

Figure 26-6. Byte Program Mode Flowchart

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