SH7058 Datasheet, PDF (971/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

Table 23.25 AC Characteristics in Auto-Program Mode
Condition: V_CC = 3.3 V ± 0.3 V, V_SS = 0 V, T_a = 25°C ± 5°C
Code
Symbol Min
Command write cycle
t
20
nxtc
CE hold time
t
0
ceh
CE setup time
t_ces
0
Data hold time
t_dh
50
Data setup time
t_ds
50
Programming pulse width t
70
wep
Status polling start time
t
1
wsts
Status polling access time t_spa
Address setup time
t_as
0
Address hold time
t_ah
60
Memory programming time t_write
1
Programming setup time t
100
pns
Programming end setup
t_pnh
100
time
WE rise time
t
r
WE fall time
t
f
Max
150
3000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ns
ns
ms
ns
ns
ns
ns
Note
FWE
A19-A0
t_pns t_ces
Address stable
t_ceh t_nxtc
t_pnh
t_nxtc
I/O7
I/O6
I/O5-I/O0
t_wep
tf
tr
t_as
t_ds
t_dh
t_ah
Data transfer
1 byte to 128 bytes
t_wsts
t_spa
t_write
H'40 or H'45
1st-byte
Din
128th-byte
Din
Figure 23.36 Timing in Auto-Program Mode
Programming end
identification signal
Programming normal end
confirmation signal
H'00
Rev. 3.0, 09/04, page 930 of 1086