參數(shù)資料
型號: μPD78P054
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): 45/86頁
文件大小: 502K
代理商: ΜPD78P054
45
μ
PD78P054, 78P058
(iii) SBI mode (SCK0 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY3
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK0 high-/low-level width
t
KH3
,
V
DD
= 4.5 to 6.0 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 6.0 V
100
ns
300
ns
SB0, SB1 hold time (from SCK0
)
t
KSI3
t
KCY3
/2
ns
SB0, SB1 output delay time from
t
KSO3
R = 1 k
,
V
DD
= 4.5 to 6.0 V
0
250
ns
SCK0
C = 100 pF
Note
0
1000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY3
ns
SCK0
from SB0, SB1
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 and C are the SCK0, SB0 and SB1 output line load resistance and load capacitance.
(iv) SBI mode (SCK0 ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY4
V
DD
= 4.5 to 6.0 V
800
ns
3200
ns
SCK0 high-/low-level width
t
KH4
,
V
DD
= 4.5 to 6.0 V
400
ns
t
KL4
1600
ns
SB0, SB1 setup time (to SCK0
)
t
SIK4
V
DD
= 4.5 to 6.0 V
100
ns
300
ns
SB0, SB1 hold time (from SCK0
)
t
KSI4
t
KCY4
/2
ns
SB0, SB1 output delay time from
t
KSO4
R = 1 k
,
V
DD
= 4.5 to 6.0 V
0
300
ns
SCK0
C = 100 pF
Note
0
1000
ns
SB0, SB1
from SCK0
t
KSB
t
KCY4
ns
SCK0
from SB0, SB1
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
When using external device
expansion function
160
ns
When not using external
device expansion function
1000
ns
Note
R and C are the SB0 and SB1 output line load resistance and load capacitance.
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