h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 717

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

22.10.6 Auto-Erase Mode
AC Characteristics
Table 22.17 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
FA17 to FA0
FO7 to FO0
FO7
FO6
WE
OE
CE
CC
Section 22 ROM
= 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
(H8S/2138 F-ZTAT A-Mask Version, H8S/2134 F-ZTAT A-Mask Version)
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
Erase end identification
signal
t
ests
Rev. 4.00 Jun 06, 2006 page 663 of 1004
(100 to 40000 ms)
Min
20
0
0
50
50
70
1
—
100
—
—
t
spa
FO5 to FO0 = 0
Max
—
—
—
—
—
—
—
150
40000
30
30
REJ09B0301-0400
t
nxtc
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ms
ns
ns