參數(shù)資料
型號(hào): UPD780032AYCW
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位單晶片微控制器
文件頁(yè)數(shù): 46/70頁(yè)
文件大?。?/td> 527K
代理商: UPD780032AYCW
46
μ
PD780031AY, 780032AY, 780033AY, 780034AY
Data Sheet U14045EJ1V0DS00
(3) Serial Interface (T
A
= –40 to + 85
°
C, V
DD
= 1.8 to 5.5 V)
(a) 3-wire serial I/O mode (SCK30 ... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK30 cycle time
t
KCY1
4.0 V
V
DD
5.5 V
954
ns
2.7 V
V
DD
<
4.0 V
1600
ns
3200
ns
SCK30 high-/low-level
width
t
KH1
, t
KL1
V
DD
= 4.0 to 5.5 V
t
KCY1
/2 – 50
ns
t
KCY1
/2 – 100
ns
SI30 setup time
(to SCK30
)
t
SIK1
4.0 V
V
DD
5.5V
100
ns
2.7 V
V
DD
< 4.0V
150
ns
300
ns
SI30 hold time
(from SCK30
)
t
KSI1
400
ns
SO30 output
delay time from
SCK30
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SCK30 and SO30 output lines.
(b) 3-wire serial I/O mode (SCK30 ... External clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK30 cycle time
t
KCY2
4.0 V
V
DD
5.5 V
800
ns
2.7 V
V
DD
< 4.0 V
1600
ns
3200
ns
SCK30 high-/low-level
width
t
KH2
, t
KL2
4.0 V
V
DD
5.5 V
400
ns
2.7 V
V
DD
< 4.0 V
800
ns
1600
ns
SI30 setup time
(to SCK30
)
t
SIK2
100
ns
SI30 hold time
(from SCK30
)
t
KSI2
400
ns
SO30 output
delay time from
SCK30
t
KSO2
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SO30 output line.
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