參數(shù)資料
型號(hào): μPD78F9026
廠商: NEC Corp.
元件分類(lèi): 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁(yè)數(shù): 35/48頁(yè)
文件大?。?/td> 248K
代理商: ΜPD78F9026
Preliminary Data Sheet
35
PD78F9026
FLASH MEMORY PROGRAMMING CHARACTERISTICS
Basic Characteristics (T
A
= -10 to +65 C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Supply voltage
V
DD
1.8
5.5
V
V
PPL
When GND level is detected
0
0.2V
DD
V
V
PPH
When V
DD
level is detected
0.8V
DD
V
DD
1.2V
DD
V
V
PP
When high voltage is detected
9.7
10.0
10.3
V
Write time
T
PW
1 byte
40
50
To be
determined
s
Erase time
T
EW
2
s
Number of times
flash memory can
be rewritten
100
times
Main clock
frequency
f
X
1
5
MHz
AC CHARACTERISTICS (T
A
= -10 to +65 C, V
DD
= 1.8 to 5.5 V)
Flash Memory Write Mode
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
V
PP
setup time
t
PSRON
0
s
Setup time between
V
DD
and V
PP
t
DRPSR
0
s
Setup time between
V
PP
and
RESET
t
PSRRF
1
s
Delay between
RESET
and V
PP
count start
t
RFCF
1
s
Count execution
time
t
COUNT
1
ms
V
PP
pulse high/low
level width
t
CH
, t
CL
8
s
V
PP
pulse rise/fall
time
t
R
, t
F
To be
determined
s
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