19.22.7 Status Read Mode - Renesas H8S Series Hardware Manual

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
= 5.0 V ±10%, V
Conditions: V
CC
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
OE output delay time
Disable delay time
CE output delay time
WE rise time
WE fall time
A to A
18 0
CE
OE
WE
I/O to I/O
7 0
Note: I/O
3
Rev.6.00 Oct.28.2004 page 656 of 1016
REJ09B0138-0600H
= 25°C ±5°C
= 0 V, T
SS a
Symbol
t
nxtc
t
ceh
t
ces
t
dh
t
ds
t
wep
t
oe
t
df
t
ce
t
r
t
f
t t
ces ceh
t
wep
t t
f r
t t
ds dh
H'71
and I/O are undefined.
2
Figure 19-61 Status Read Mode Timing Waveforms
Min
20
0
0
50
50
70
—
—
—
—
—
t t t t
nxtc nxtc
ces ceh
t
wep
t t
f r
t t
ds dh
H'71
Max Unit
µs
—
— ns
— ns
— ns
— ns
— ns
150 ns
100 ns
150 ns
30 ns
30 ns
t
nxtc
t
ce
t
oe
t
df