參數(shù)資料
型號(hào): μPD78P0308Y
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): 42/70頁
文件大?。?/td> 552K
代理商: ΜPD78P0308Y
42
μ
PD78P0308Y
Preliminary Data Sheet
(iii) 2-wire serial I/O mode (SCK0... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY3
R = 1 k
,
1600
ns
SCK0 high-level width
t
KH3
C = 100 pF
Note
t
KCY3
/2 – 160
ns
SCK0 low-level width
t
KL3
V
DD
= 4.5 to 5.5 V
t
KCY3
/2 – 50
ns
ns
t
KCY3
/2 – 100
SB0, SB1 setup time
t
SIK3
4.5 V
V
DD
5.5 V
300
ns
(to SCK0
)
2.7 V
V
DD
< 4.5 V
350
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI3
600
ns
SB0, SB1 output delay
time from SCK0
t
KSO3
300
ns
Note
R and C are the load resistance and load capacitance of the SCK0, SB0, and SB1 output lines.
(iv) 2-wire serial I/O mode (SCK0... External clock input)
Note
R and C are the load resistance and load capacitance of the SB0 and SB1 output lines.
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY4
1600
ns
SCK0 high-level width
t
KH4
650
ns
SCK0 low-level width
t
KL4
800
ns
SB0, SB1 setup time
(to SCK0
)
t
SIK4
100
ns
SB0, SB1 hold time
(from SCK0
)
t
KSI4
t
KCY4
/2
ns
SB0, SB1 output delay
time from SCK0
t
KSO4
R = 1 k
,
C = 100 pF
Note
V
DD
= 4.5 to 5.5 V
0
0
300
500
ns
ns
SCK0 rise, fall time
t
R4
,
t
F4
1000
ns
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