參數(shù)資料
型號(hào): μPD78078Y
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): 50/84頁(yè)
文件大小: 625K
代理商: ΜPD78078Y
50
μ
PD78076Y, 78078Y
(3) Serial Interface (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
(a) Serial Interface Channel 0
(i) 3-wire serial I/O mode (SCK0... Internal clock output)
Note
C is the load capacitance of SO0 output line.
(ii) 3-wire serial I/O mode (SCK0... External clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY2
4.5 V
V
DD
5.5 V
800
ns
2.7 V
V
DD
<
4.5 V
1600
ns
2.0 V
V
DD
<
2.7 V
3200
ns
4800
ns
SCK0 high/low-level
width
t
KH2
, t
KL2
4.5 V
V
DD
5.5 V
400
ns
2.7 V
V
DD
<
4.5 V
800
ns
2.0 V
V
DD
<
2.7 V
1600
ns
2400
ns
SI0 setup time
(to SCK0
)
t
SIK2
V
DD
= 2.0 to 5.5 V
100
ns
150
ns
SI0 hold time
(from SCK0
)
t
KSI2
400
ns
SO0 output delay time
from SCK0
t
KSO2
C = 100 pF
Note
V
DD
= 2.0 to 5.5 V
300
ns
500
ns
SCK0 rise/fall time
t
R2
, t
F2
When using external device
expansion function
160
ns
When not using external
device expansion function
1000
ns
Note
C is the load capacitance of the SO0 output line.
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY1
4.5 V
V
DD
5.5 V
800
ns
2.7 V
V
DD
<
4.5 V
1600
ns
2.0 V
V
DD
<
2.7 V
3200
ns
4800
ns
SCK0 high/low-level
width
t
KH1
, t
KL1
V
DD
= 4.5 to 5.5 V
t
KCY1
/2 – 50
ns
t
KCY1
/2 – 100
ns
SI0 setup time
(to SCK0
)
t
SIK1
4.5 V
V
DD
5.5 V
100
ns
2.7 V
V
DD
<
4.5 V
150
ns
2.0 V
V
DD
<
2.7 V
300
ns
400
ns
SI0 hold time
(from SCK0
)
t
KSI1
400
ns
SO0 output delay time
from SCK0
t
KSO1
C = 100 pF
Note
300
ns
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