參數(shù)資料
型號(hào): UPD178003GC-XXX-3B9
廠商: NEC Corp.
元件分類(lèi): 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 34/48頁(yè)
文件大小: 334K
代理商: UPD178003GC-XXX-3B9
34
μ
PD178002, 178003
Data Sheet U12628EJ3V0DS00
(2) Serial interface (T
A
= –40 to +85
°
C, V
DD
= 3.5 to 5.5 V)
(a) Serial interface channel 1
(i)
3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY1
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
1600
ns
SCK1 high-/low-level width
t
KH1
,
4.5 V
V
DD
5.5 V
t
KCY9
/2 – 50
ns
t
KL1
3.5 V
V
DD
< 4.5 V
t
KCY9
/2 – 100
ns
SI1 setup time (to SCK1
)
t
SIK1
4.5 V
V
DD
5.5 V
100
ns
3.5 V
V
DD
< 4.5 V
150
ns
SI1 hold time (from SCK1
)
t
KSI1
400
ns
SO1 output delay time from SCK1
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SO1 output line.
(ii) 3-wire serial I/O mode (SCK1 ... external clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY2
4.5 V
V
DD
5.5 V
800
ns
3.5 V
V
DD
< 4.5 V
1600
ns
SCK1 high-/low-level width
t
KH2
,
4.5 V
V
DD
5.5 V
400
ns
t
KL2
3.5 V
V
DD
< 4.5 V
800
ns
SI1 setup time (to SCK1
)
t
SIK2
100
ns
SI1 hold time (from SCK1
)
t
KSI2
400
ns
SO1 output delay time from SCK1
t
KSO2
C = 100 pF
Note
300
ns
SCK1 rise/fall time
t
R2
, t
F2
1000
ns
Note
C is the load capacitance of the SO1 output line.
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