Renesas Hitachi H8S/2191, Hardware Manual, Page: 238 / 1065

Rev. 2.0, 11/00, page 211 of 1037
Table 8.15 AC Characteristics in Auto-Program
(Conditions: V
CC
= 5.0 V
±
10%, V
SS
= 0 V, Ta = 25
°
C
±
5
°
C)
Item Symbol Min Max Unit
Command write cycle t
nxtc
20
 µ
s
&(
hold time t
ceh
0

ns
&(
setup time t
ces
0

ns
Data hold time t
dh
50

ns
Data setup time t
ds
50

ns
Write pulse width t
wep
70

ns
Status polling start time t
wsts
1

ms
Status polling access time t
spa

150 ns
Address setup time t
as
0

ns
Address hold time t
ah
60

ns
Memory write time t
write
1 3000 ms
:(
rise time t
r

30 ns
:(
fall time t
f

30 ns
Write setup time t
pns
100

ns
Write end setup time t
pnh
100

ns
CE
FWE
ADDRESS
FO7
OE
WE
t
nxtc
t
wsts
t
spa
t
nxtc
t
ces
t
ds
t
dh
t
wep
t
as
t
pnh
t
pns
t
ah
t
ceh
ADDRESS STABLE
Data transfer
1 byte to 128 bytes
FO6
Programming wait
DATA DATA H'40 DATA
FO0 to 5 = 0
t
f
t
r
t
write
(1 to 3,000 ms)
Programming operation
end identification signal
Programming normal end
identification signal
Figure 8.20 Auto-Program Mode Timing Waveforms