UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 689
UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 689 of 759
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24.2 PROM WRITE PROCEDURE
Remark G = Start address
Address = address + 1
N = Last address of program
Pass
No
Figure 24-1 Page Program Mode Flowchart
CHAPTER 24
V
V
DD
Address = address + 1
Address = address + 1
Address = address + 1
DD
0.1 ms program pulse
= 4.5–5.5 V, V
= 6.5 V, V
Address = N?
Address = G
End of Write
Verification
of all bytes
X = X + 1
Verify
4 bytes
X = 0
Latch
Latch
Latch
Latch
Start
Pass
Yes
All Pass
PP
PD78P4026 PROGRAMMING
= 12.5 V
PP
= V
DD
Fail
Fail
X = 10 ?
No
Defective product
Yes
649
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