DF2398F20V Renesas Electronics America, DF2398F20V Datasheet - Page 685

• Manufacturer Part Number: DF2398F20V
• Description: IC H8S/2300 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398F20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: YR0K42378FC000BA - KIT EVAL FOR H8S/2378
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

19.22.6 Auto-Erase Mode
AC Characteristics
Table 19-46 AC Characteristics in Auto-Erase Mode
Conditions: V
Auto-erase mode supports only total memory erasing.
Do not perform a command write during auto-erasing.
Confirm normal end of auto-erasing by checking I/O
(the I/O
Status polling I/O
write has not been performed, reading is possible by enabling CE and OE.
7
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
status polling pin is used to identify the end of an auto-erase operation).
CC
I/O
= 5.0 V 10%, V
A
5
18
to I/O
to A
6
I/O
I/O
WE
OE
CE
and I/O
0
7
6
0
7
pin information is retained until the next command write. As long as the next command
Figure 19-60 Auto-Erase Mode Timing Waveforms
SS
t
ces
t
f
= 0 V, T
t
ds
t
wep
H'20
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
t
t
ceh
r
t
dh
t
nxtc
6
. Alternatively, status read mode can also be used for this purpose
Min
20
0
0
50
50
70
1
—
100
—
—
H'20
Erase end identifi-
cation signal
Erase normal end
confirmation signal
t
ests
t
erase
t
spa
Max
—
—
—
—
—
—
—
150
40000
30
30
H'00
Rev.6.00 Oct.28.2004 page 655 of 1016
t
nxtc
Unit
ns
ns
ns
ns
ns
ms
ns
ms
ns
ns
s
REJ09B0138-0600H