Renesas ZTAT H8S/2357F, Руководство по оборудованию

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Rev.6.00 Oct.28.2004 page 656 of 1016
REJ09B0138-0600H
19.22.7 Status Read Mode
•
Status read mode is used to identify what type of abnormal end has occurred. Use this mode when an abnormal end
occurs in auto-program mode or auto-erase mode.
•
The return code is retained until a command write for other than status read mode is performed.
Table 19-47 AC Characteristics in Status Read Mode
Conditions: V
CC
= 5.0 V
±
10%, V
SS
= 0 V, T
a
= 25
°
C
±
5
°
C
Item Symbol Min Max Unit
Command write cycle t
nxtc
20 —
µ
s
CE
hold time t
ceh
0 — ns
CE
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
OE
output delay time t
oe
— 150 ns
Disable delay time t
df
— 100 ns
CE
output delay time t
ce
— 150 ns
WE
rise time t
r
— 30 ns
WE
fall time t
f
— 30 ns
CE
A
18
to A
0
I/O
7
to I/O
0
OE
WE
t
dh
t
df
t
ds
t
f
t
r
t
wep
t
nxtc
t
nxtc
t
f
t
r
t
wep
t
ds
t
dh
t
nxtc
t
ceh
t
ceh
t
oe
t
ces
t
ces
t
ce
H'71 H'71
Note: I/O
3
and I/O
2
are undefined.
Figure 19-61 Status Read Mode Timing Waveforms