h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 847

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

21A.13.6 Status Read Mode
1. Status read mode is provided to identify the kind of abnormal end. Use this mode when an
2. The return code is retained until a command write other than a status read mode command
Table 21A-22 AC Characteristics in Status Read Mode
Conditions: V
Item
Read time after command write
C E
C E
Data hold time
Data setup time
Write pulse width
O E
Disable delay time
C E
W E
W E
I/O7 to I/O0
Note: I/O2 and I/O3 are undefined.
A18 to A0
abnormal end occurs in auto-program mode or auto-erase mode.
write is executed.
hold time
setup time
output delay time
output delay time
rise time
fall time
WE
OE
CE
CC
= 5.0 V ± 0.5 V, V
Figure 21A-24 Status Read Mode Timing Waveforms
t
ces
t
f
t
ds
t
wep
H'71
t
t
ceh
r
SS
t
dh
= 0 V, T
t
nxtc
Symbol
t
t
t
t
t
t
t
t
t
t
t
std
ceh
ces
dh
ds
wep
oe
df
ce
r
f
t
ces
t
f
t
ds
a
t
wep
= 25°C ± 5°C
H'71
t
ceh
t
r
Rev. 6.00 Feb 22, 2005 page 787 of 1484
t
dh
t
nxtc
Min.
20
0
0
50
50
70
—
—
—
—
—
Section 21A ROM (H8S/2636 Group)
t
ce
t
oe
Max.
—
—
—
—
—
—
150
100
150
30
30
REJ09B0103-0600
t
df
Unit
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
nxtc