h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 756

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 22 ROM
22.10.6 Auto-Erase Mode
AC Characteristics
Table 22.18 AC Characteristics in Auto-Erase Mode
Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
Status polling start time
Status polling access time
Memory erase time
WE rise time
WE fall time
Rev. 3.00 Jan 18, 2006 page 728 of 1044
REJ09B0280-0300
FA17 to FA0
FO7 to FO0
FO7
FO6
WE
CE
OE
CC
= 3.3 V ±0.3 V, V
t
t
ces
f
Figure 22.21 Auto-Erase Mode Timing Waveforms
t
wep
H'20
CL
t
ds
t
t
ceh
dh
in
t
r
t
nxtc
SS
= 0 V, T
Symbol
t
t
t
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
ests
spa
erase
r
f
a
= 25°C ±5°C
H'20
DL
in
t
erase
Erase normal end
confirmation signal
Min
20
0
0
50
50
70
1
—
100
—
—
Erase end identification
signal
t
ests
(100 to 40000 ms)
t
spa
FO0 to FO5 = 0
Max
—
—
—
—
—
—
—
150
40000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ms
ns
ns
t
nxtc