參數(shù)資料
型號(hào): UPD178P018A
廠商: NEC Corp.
元件分類(lèi): 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù): 32/60頁(yè)
文件大?。?/td> 325K
代理商: UPD178P018A
32
μ
PD178P018A
(vii) I
2
C bus mode (SCL ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCL cycle time
t
KCY7
R = 1 k
10
μ
s
SCL high-level width
t
KH7
C = 100 pF
Note
t
KCY7
– 160
ns
SCL low-level width
t
KL7
t
KCY7
– 50
ns
SDA0, SDA1 setup time (to SCL
)
t
SIK7
200
ns
SDA0, SDA1 hold time
(from SCL
)
t
KSI7
0
ns
SDA0, SDA1 output delay time
(from SCL
)
t
KSO7
4.5 V
V
DD
5.5 V
0
300
ns
3.5 V
V
DD
< 4.5 V
0
500
ns
SDA0, SDA1
from SCL
or
SDA0, SDA1
from SCL
t
KSB
200
ns
SCL
from SDA0, SDA1
t
SBK
400
ns
SDA0, SDA1 high-level width
t
SBH
500
ns
Note
R and C are the load resistance and load capacitance of the SCL, SDA0, and SDA1 output lines.
(viii) I
2
C bus mode (SCL ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCL cycle time
t
KCY8
1 000
ns
SCL high-/low-level width
t
KH8,
t
KL8
400
ns
SDA0, SDA1 setup time (to SCL
)
t
SIK8
200
ns
SDA0, SDA1 hold time
(from SCL
)
t
KSI8
0
ns
SDA0, SDA1 output delay time
from SCL
t
KSO8
R = 1 k
4.5 V
V
DD
5.5 V
0
300
ns
C = 100 pF
Note
3.5 V
V
DD
< 4.5 V
0
500
ns
SDA0, SDA1
from SCL
or
SDA0, SDA1
from SCL
t
KSB
200
ns
SCL
from SDA0, SDA1
t
SBK
400
ns
SDA0, SDA1 high-level width
t
SBH
500
ns
SCL rising or falling edge time
t
R8
, t
F8
1 000
ns
Note
R and C are the load resistance and load capacitance of the SDA0 and SDA1 output lines.
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