HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 312

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [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.
Error
S = 25
N
n < S
Figure 17-4 High-Speed Programming Flowchart
Y
NOGO
Vcc = 6.0V ±0.25V, Vpp = 12.5V ±0.3V
Vcc = 6.0V ±0.25V, Vpp = 12.5V ±0.3V
Vcc = 6.0V ±0.25V, Vpp = 12.5V ±0.3V
N
Vcc = 5.0V ±0.5V, Vpp = Vcc
Write time tpw = 1 ms ±5%
SET program mode
SET program mode
Write topw = 3n ms
All address read?
SET verify mode
SET read mode
Last address?
Address = 0
Verify OK?
n + 1
START
n = 0
END
300
Y
Y
GO
1
N
Address + 1
Address