HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 816

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 ROM
19.11.7 Status Read Mode
• Status read mode is used to identify what type of abnormal end has occurred. Use this mode
• The return code is retained until a command write for other than status read mode is
Table 19.21 AC Characteristics in Status Read Mode
Conditions: V
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
Rev.6.00 Sep. 27, 2007 Page 786 of 1268
REJ09B0220-0600
when an abnormal end occurs in auto-program mode or auto-erase mode.
performed.
I/O
A
5
18
to I/O
to A
I/O
I/O
WE
CE
OE
0
7
6
0
CC
= 3.3 V ±0.3 V, V
Figure 19.26 Auto-Erase Mode Timing Waveforms
t
ces
t
f
t
ds
t
wep
H'20
Symbol
t
t
t
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
oe
df
ce
r
f
t
SS
t
ceh
r
t
= 0 V, T
dh
t
nxtc
a
= 25°C ±5°C
H'20
Min
20
0
0
50
50
70
—
—
—
—
—
Erase end identifi-
cation signal
Erase normal end
confirmation signal
t
ests
t
erase
t
spa
Max
—
—
—
—
—
—
150
100
150
30
30
H'00
t
nxtc
Unit
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns