參數(shù)資料
型號(hào): 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): 48/86頁
文件大?。?/td> 502K
代理商: ΜPD78P054
48
μ
PD78P054, 78P058
(iii) Automatic transmission/reception function 3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY9
4.5 V
V
DD
6.0 V
800
ns
2.7 V
V
DD
< 4.5 V
1600
ns
3200
ns
SCK1 high-/low-level width
t
KH9
,
V
DD
= 4.5 to 6.0 V
t
KCY9
/2 – 50
ns
t
KL9
t
KCY9
/2 – 100
ns
SI1 setup time (to SCK1
)
t
SIK9
4.5 V
V
DD
6.0 V
100
ns
2.7 V
V
DD
< 4.5 V
150
ns
300
ns
SI1 hold time (from SCK1
)
t
KSI9
400
ns
SO1 output delay time from SCK1
t
KSO9
C = 100 pF
Note
300
ns
STB
from SCK1
t
SBD
t
KCY9
/2 – 100
t
KCY9
/2 + 100
ns
Strobe signal high-level width
t
SBW
V
DD
= 2.7 to 6.0 V
t
KCY9
– 30
t
KCY9
+ 30
ns
t
KCY9
– 60
t
KCY9
+ 60
ns
Busy signal setup time
(to busy signal detection timing)
t
BYS
100
ns
Busy signal hold time
t
BYH
4.5 V
V
DD
6.0 V
100
ns
(from busy signal detection timing)
2.7 V
V
DD
< 4.5 V
150
ns
200
ns
SCK1
from busy inactive
t
SPS
2t
KCY9
ns
Note
C is the SO1 output line load capacitance.
(iv) Automatic transmission/reception function 3-wire serial I/O mode (SCK1 ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY10
4.5 V
V
DD
6.0 V
800
ns
2.7 V
V
DD
< 4.5 V
1600
ns
3200
ns
SCK1 high-/low-level width
t
KH10
,
4.5 V
V
DD
6.0 V
400
ns
t
KL10
2.7 V
V
DD
< 4.5 V
800
ns
1600
ns
SI1 setup time (to SCK1
)
t
SIK10
100
ns
SI1 hold time (from SCK1
)
t
KSI10
400
ns
SO1 output delay time from SCK1
t
KSO10
C = 100 pF
Note
300
ns
SCK1 rise, fall time
t
R10
,
t
F10
When using external device
expansion function
160
ns
When not using external
device expansion function
1000
ns
Note
C is the SO1 output line load capacitance.
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