參數(shù)資料
型號: μPD78064B
廠商: NEC Corp.
元件分類: 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
文件頁數(shù): 44/64頁
文件大小: 391K
代理商: ΜPD78064B
44
μ
PD78064B
(2)
Serial Interface (T
A
= –40 to +85
°
C, V
DD
= 2.0 to 6.0 V)
(a)
Serial interface channel 0
(i)
3-wire serial I/O mode (SCK0... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY1
4.5 V
V
DD
6.0 V
2.7 V
V
DD
< 4.5 V
800
ns
1600
ns
3200
ns
SCK0 high-/low-level width
t
KH1
,
V
DD
= 4.5 to 6.0 V
t
KCY1
/2 – 50
ns
t
KL1
t
KCY1
/2 – 100
ns
SI0 setup time (to SCK0
)
t
SIK1
4.5 V
V
DD
6.0 V
2.7 V
V
DD
< 4.5 V
100
ns
150
ns
300
ns
SI0 hold time (from SCK0
)
t
KSI1
400
ns
SO0 output delay time
from SCK0
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of SCK0, SO0 output line.
(ii)
3-wire serial I/O mode (SCK0... External clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY2
4.5 V
V
DD
6.0 V
2.7 V
V
DD
< 4.5 V
800
ns
1600
ns
3200
ns
SCK0 high-/low-level width
t
KH2
,
4.5 V
V
DD
6.0 V
2.7 V
V
DD
< 4.5 V
400
ns
t
KL2
800
ns
1600
ns
SI0 setup time (to SCK0
)
SI0 hold time (from SCK0
)
SO0 output delay time
from SCK0
t
SIK2
100
ns
t
KSI2
400
ns
t
KSO2
C = 100 pF
Note
300
ns
SCK0 rise, fall time
t
R2
,
t
F2
1000
ns
Note
C is the load capacitance of SO0 output line.
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