US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 208

• Manufacturer Part Number: US38024-BAG1
• Description: DEV EVALUATION KIT H8/38024
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of US38024-BAG1

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8/38024
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 6 ROM
6.10.5
1. Auto-erase mode supports only entire memory erasing.
2. Do not perform a command write during auto-erasing.
3. Confirm normal end of auto-erasing by checking I/O6. Alternatively, status read mode can also
4. Status polling I/O6 and I/O7 pin information is retained until the next command write. As long
5. Table 6.18 shows the AC characteristics.
Table 6.18 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. 8.00 Mar. 09, 2010 Page 186 of 658
REJ09B0042-0800
be used for this purpose (I/O7 status polling uses the auto-erase operation end decision pin).
as the next command write has not been performed, reading is possible by enabling CE and
OE.
Auto-Erase Mode
CC
= 3.3 V ±0.3 V, V
SS
Symbol
t
t
t
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
ests
spa
erase
r
f
= 0 V, T
a
= 25°C ±5°C
Min
20
0
0
50
50
70
1
—
100
—
—
Max
—
—
—
—
—
—
—
150
40000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ms
ns
ns
Notes
Figure 6.18