參數(shù)資料
型號: μPD75P70076
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁數(shù): 40/62頁
文件大小: 290K
代理商: ΜPD75P70076
m
PD75P0076
40
SERIAL TRANSFER OPERATION
2-Wire and 3-Wire Serial I/O Mode (SCK...Internal clock output): (T
A
= –40 to +85°C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Test conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY1
V
DD
= 2.7 to 5.5 V
1300
ns
3800
ns
SCK high-/low-level
t
KL1
, t
KH1
V
DD
= 2.7 to 5.5 V
t
KCY1
/2–50
ns
width
t
KCY1
/2–150
ns
SI
Note 1
setup time
t
SIK1
V
DD
= 2.7 to 5.5 V
150
ns
(to SCK
)
500
ns
SI
Note 1
hold time
t
KSI1
V
DD
= 2.7 to 5.5 V
400
ns
(from SCK
)
600
ns
SCK
SO
Note 1
output
t
KSO1
R
L
= 1 ky,
V
DD
= 2.7 to 5.5 V
0
250
ns
delay time
C
L
= 100 pF
Note 2
0
1000
ns
Notes 1.
In 2-wire serial I/O mode, read SB0 or SB1 instead.
2.
R
L
and C
L
are the load resistance and load capacitance of the SO output lines.
2-Wire and 3-Wire Serial I/O Mode (SCK...External clock input): (T
A
= –40 to +85°C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Test conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY2
V
DD
= 2.7 to 5.5 V
800
ns
3200
ns
SCK high-/low-level
t
KL2
,
t
KH2
V
DD
= 2.7 to 5.5 V
400
ns
width
1600
ns
SI
Note 1
setup time
t
SIK2
V
DD
= 2.7 to 5.5 V
100
ns
(to SCK
)
150
ns
SI
Note 1
hold time
t
KSI2
V
DD
= 2.7 to 5.5 V
400
ns
(from SCK
)
600
ns
SCK
SO
Note 1
output
t
KSO2
R
L
= 1 ky,
V
DD
= 2.7 to 5.5 V
0
300
ns
delay time
C
L
= 100 pF
Note 2
0
1000
ns
Notes 1.
In 2-wire serial I/O mode, read SB0 or SB1 instead.
2.
R
L
and C
L
are the load resistance and load capacitance of the SO output lines.
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