UPD78F9177 NEC, UPD78F9177 Datasheet - Page 42

• Manufacturer Part Number: UPD78F9177
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

FLASH MEMORY WRITE/DELETE CHARACTERISTICS (T
Data Memory Stop Mode Low Power Supply Voltage Data Retention Characteristics (T
42
Write current
(V
Write current
(V
Delete current
(V
Delete current
(V
Unit delete time
Total delete time
Write count
V
Data retention power
supply voltage
Release signal set time
Oscillation stabilization
wait time
PP
DD
PP
DD
PP
Note The current flowing to the ports (including the current flowing through an on-chip pull-up resistor) and AV
Notes 1.
Remark
supply voltage
pin)
pin)
pin)
pin)
Parameter
Parameter
Note 1
Note
Note
Note
Note
current are not included.
2.
f
X
: Main system clock oscillation frequency
By using bits 0 to 2 (OSTS0 to OSTS2) of the oscillation stabilization time selection register (OSTS),
2
The oscillation stabilization time is the time the CPU operation is stopped to prevent unstable
operation when oscillation starts.
12
/f
X
, 2
15
Symbol
I
I
I
I
t
t
V
V
/f
Symbol
DDW
PPW
DDE
PPE
er
era
V
PP0
PP1
t
t
X
SREL
WAIT
DDDR
, or 2
17
/f
Release by RESET
Release by interrupt request
When V
(5.0-MHz crystal oscillation operation mode)
When V
When V
(5.0-MHz crystal oscillation operation mode)
When V
Delete/write are regarded as 1 cycle
In normal operation
During flash memory programming
X
can be selected.
PP
PP
PP
PP
supply voltage = V
supply voltage = V
supply voltage = V
supply voltage = V
Data Sheet U14022EJ1V0DS00
Conditions
Conditions
A
PP1
PP1
PP1
PP1
= 10 to 40 C, V
DD
MIN.
0.5
9.7
= 1.8 to 5.5 V)
0
MIN.
1.8
0
PD78F9177, 78F9177Y
TYP.
10.0
Note 2
TYP.
2
1
15
A
/f
X
= 40 to +85 C)
0.2V
MAX.
10.3
MAX.
100
7.5
18
18
20
20
5.5
1
DD
Times
Unit
Unit
mA
mA
mA
mA
V
V
s
s
V
s
s
s
DD