HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 322

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Figure 17-4 shows the basic high-speed programming flowchart.
Tables 17-5 and 17-6 list the electrical characteristics of the chip in the PROM mode. Figure 17-5
shows a write/verify timing chart.
START
SET PROG./VERIFY MODE
V
= 6.0 V ±0.25 V, V
= 12.5 V ±0.5 V
CC
PP
Address = 0
n = 0
n + 1
n
Y
Program tpw = 1 ms ±5%
N
n < S
S = 25
N
Verify
Address + 1
Address
GO
Program topw = 3n ms
N
Last address?
Y
SET READ MODE
V
= 5.0 V, V
= V
CC
PP
CC
NOGO
FAIL
Read all addresses
GO
END
Figure 17-4 High-Speed Programming Flowchart (H8/534)
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