參數(shù)資料
型號(hào)： UPD75517GF-xxx-3B9
廠商： NEC Corp.
英文描述： 4 BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 24/40頁(yè)
文件大?。?/td> 320K
代理商： UPD75517GF-XXX-3B9
24
μ
PD75P048
SERIAL TRANSFER OPERATION
Two-Line and Three-Line Serial I/O Modes (SCK: internal clock output)
Parameter
Symbol
t
KCY1
Conditions
MIN.
1600
3800
t
KCY1
/2-50
t
KCY1
/2-150
150
400
TYP.
MAX.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
SCK Cycle Time
V
DD
= 4.5 to 6.0 V
SCK High-, Low-Level
Widths
t
KL1
t
KH1
V
DD
= 4.5 to 6.0 V
SI Set-Up Time (vs. SCK
↑
) t
SIK1
SI Hold Time (vs. SCK
↑
)
SCK
↓→
SO Output
Delay Time
t
KSI1
t
KSO1
R
L
= 1k
,
Note
C
L
= 100pF
V
DD
= 4.5 to 6.0V
250
1000
TWO-LINE AND THREE-LINE SERIAL I/O MODES (SCK: external clock input)
Parameter
Symbol
t
KCY2
Conditions
MIN.
800
3200
400
1600
100
400
TYP.
MAX.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
SCK Cycle Time
V
DD
= 4.5 to 6.0V
SCK High-, Low-Level
Widths
t
KL2
t
KH2
V
DD
= 4.5 to 6.0V
SI Set-Up Time (vs. SCK
↑
) t
SIK2
SI Hold Time (vs. SCK
↑
)
SCK
↓→
SO Output
Delay Time
t
KSI2
t
KSO2
R
L
= 1k
, C
L
= 100 pF
Note
V
DD
= 4.5 to 6.0V
300
1000
Note
R
L
and C
L
are load resistance and load capacitance of the SO output line.
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