SH7052 Datasheet, PDF (756/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

Table 20.18 AC Characteristics in Auto-Program Mode (Conditions: V_CC = 3.3 V ±0.3 V,
V_SS = 0 V, T_a = 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
Write setup time
Write end setup 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
t _pns
t _pnh
t_r
t_f
Min
20
0
0
50
50
70
1
0
60
1
100
100
Max Unit
µs
ns
ns
ns
ns
ns
ms
150
ns
ns
ns
3000 ms
ns
ns
30
ns
30
ns
Notes
FWE
A18 to A0
CE
OE
WE
I/O7
I/O6
I/O5 to I/O0
tpns tces
tceh tnxtc
Address
stable
tpnh
tnxtc
twep
tf
tr
tas
tds
tdh
tah
Data transfer
1 to 128 bytes
twsts tspa
twrite
Write operation end decision signal
Write normal end decision signal
H'40
H'00
Figure 20.25 Auto-Program Mode Timing Waveforms
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