h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 713

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

Table 22.14 AC Characteristics when Entering Another Mode from Memory Read Mode
Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
WE rise time
WE fall time
Figure 22.17 Timing Waveforms when Entering Another Mode from Memory Read Mode
FA17 to FA0
FO7 to FO0
Note: Do not enable WE and OE at the same time.
WE
OE
CE
CC
Section 22 ROM
= 3.3 V ±0.3 V, V
Memory read mode
(H8S/2138 F-ZTAT A-Mask Version, H8S/2134 F-ZTAT A-Mask Version)
SS
= 0 V, T
Address stable
Symbol
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
r
f
a
= 25°C ±5°C
Data
Rev. 4.00 Jun 06, 2006 page 659 of 1004
Min
20
0
0
50
50
70
—
—
t
nxtc
Other mode command write
t
ces
t
f
Max
—
—
—
—
—
—
30
30
t
wep
t
H'XX
ds
t
REJ09B0301-0400
dh
t
r
t
ceh
Unit
µs
ns
ns
ns
ns
ns
ns
ns