HD6432646 Hitachi, HD6432646 Datasheet - Page 739

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

I/O5–I/O0
A18–A0
FWE
I/O7
I/O6
WE
OE
CE
t
ens
t
ces
Figure 20-23 Auto-Erase Mode Timing Waveforms
t
f
t
ds
t
wep
H'20
t
ceh
t
r
t
dh
t
nxtc
H'20
t
ests
decision signal
decision signal
Erase normal
Erase end
t
erase
end
t
spa
H'00
t
enh
t
nxtc
705