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HD64F2149 Datasheet, PDF (727/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer
22.10.5 Auto-Program Mode
AC Characteristics
Table 22.17 AC Characteristics in Auto-Program Mode
Conditions: VCC = 3.3 V ±0.3 V, VSS = 0 V, Ta = 25°C ±5°C
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
Status polling start time
Status polling access time
Address setup time
Address hold time
Memory write time
WE rise time
WE fall time
Symbol
t nxtc
t ceh
t ces
t dh
t ds
t wep
t wsts
t spa
t as
t ah
t write
tr
tf
Min
20
0
0
50
50
70
1
—
0
60
1
—
—
Max
—
—
—
—
—
—
—
150
—
—
3000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ns
ns
ms
ns
ns
FA17 to FA0
CE
OE
WE
FO7
FO6
FO7 to FO0
tceh
tnxtc
twep
tces
tf
tr
tds
tdh
H'40
Address
stable
tas
tah
Data transfer
1 byte to 128 bytes
Data
twsts
tspa
twrite (1 to 3000 ms)
Programming operation
end identification signal
tnxtc
Programming normal
end identification signal
Programming wait
Data
FO0 to 5 = 0
Figure 22.20 Auto-Program Mode Timing Waveforms
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