參數(shù)資料
型號: μPD780208
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): 49/78頁
文件大小: 406K
代理商: ΜPD780208
4 9
m
PD780204, 780205, 780206, 780208
(iii) SBI mode (SCK0: Internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY3
V
DD
= 4.5 to 5.5 V
800
ns
3200
ns
SCK0 high, low-level
width
t
KH3
V
DD
= 4.5 to 5.5 V
t
KCY3
/2 – 50
ns
t
KL3
t
KCY3
/2 – 150
ns
SB0, SB1 setup time
(to SCK0
)
t
SIK3
V
DD
= 4.5 to 5.5 V
100
ns
300
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI3
t
KCY3
/2
ns
SCK0
SB0, SB1
output delay time
t
KSO3
R = 1 k
W
, C = 100 pF
Note
V
DD
= 4.5 to 5.5 V
0
250
ns
0
1000
ns
SCK0
SB0, SB1
t
KSB
t
KCY3
ns
SB0, SB1
SCK0
t
SBK
t
KCY3
ns
SB0, SB1
high-level
width
t
SBH
t
KCY3
ns
SB0, SB1
low-level
width
t
SBL
t
KCY3
ns
Note
R is a load resistance and C is a load capacitance of the SCK0, SB0, or SB1 output line.
(iv) SBI mode (SCK0: External clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY4
V
DD
= 4.5 to 5.5 V
800
ns
3200
ns
SCK0 high, low-level
width
t
KH4
V
DD
= 4.5 to 5.5 V
400
ns
t
KL4
1600
ns
SB0, SB1 setup time
(to SCK0
)
t
SIK4
V
DD
= 4.5 to 5.5 V
100
ns
300
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI4
t
KCY4
/2
ns
SCK0
SB0, SB1
output delay time
t
KSO4
R = 1 k
W
, C = 100 pF
Note
V
DD
= 4.5 to 5.5 V
0
250
ns
0
1000
ns
SCK0
SB0, SB1
t
KSB
t
KCY4
ns
SB0, SB1
SCK0
t
SBK
t
KCY4
ns
SB0, SB1
high-level
width
t
SBH
t
KCY4
ns
SB0, SB1
low-level
width
t
SBL
t
KCY4
ns
SCK0 rise, fall time
t
R4
t
F4
160
ns
Note
R is a load resistance and C is a load capacitance of the SB0 or SB1 output line.
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