UPD78P083GB-3BS-MTX-A Datasheet, PDF (23/58 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78P083
4.2 PROM Write Procedure
Figure 4-1. Page Program Mode Flow Chart
Start
Address = G
VDD = +6.5 V, VPP = +12.5 V
Address = Address + 1
X=0
Latch
Address = Address + 1
Latch
Address = Address + 1
Latch
Address = Address + 1
Latch
X=X+1
0.1-ms program pulse
Fail
Verify 4 bytes
Pass
No
Address = N ?
Yes
VDD = 4.5 to 5.5 V, VPP = VDD
Pass
Fail
Verify all bytes
All Pass
Write end
G = Start address
N = Program last address
No
Yes
X = 10 ?
Defective product
21