參數(shù)資料
型號: UPD754302GSA
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數(shù): 56/74頁
文件大小: 316K
代理商: UPD754302GSA
56
μ
PD754302, 754304, 754302(A), 754304(A)
Serial Transfer Operation
2-wire and 3-wire Serial I/O Mode (SCK...Internal clock output) (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY1
V
DD
= 2.7 to 5.5 V
1300
ns
3800
ns
SCK high- and
t
KL1
,
V
DD
= 2.7 to 5.5 V
t
KCY1
/2–50
ns
low-level width
t
KH1
t
KCY1
/2–150
ns
SI
Note1
setup time
t
SIK1
V
DD
= 2.7 to 5.5 V
150
ns
(to SCK
)
500
ns
SI
Note1
hold time
t
KSI1
V
DD
= 2.7 to 5.5 V
400
ns
(from SCK
)
600
ns
SCK
↓→
SO
Note1
t
KSO1
R = 1 k
, C = 100 pF
Note2
V
DD
= 2.7 to 5.5 V
0
250
ns
output delay time
0
1000
ns
Notes 1.
SB0 in the 2-wire serial I/O mode.
R and C are the load resistance and load capacitance of the SO output line.
2.
2-wire and 3-wire Serial I/O Mode (SCK...External clock input) (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY2
V
DD
= 2.7 to 5.5 V
800
ns
3200
ns
SCK high- and
t
KL2
,
V
DD
= 2.7 to 5.5 V
400
ns
low-level width
t
KH2
1600
ns
SI
Note1
setup time
t
SIK2
V
DD
= 2.7 to 5.5 V
100
ns
(to SCK
)
150
ns
SI
Note1
hold time
t
KSI2
V
DD
= 2.7 to 5.5 V
400
ns
(from SCK
)
600
ns
SCK
↓→
SO
Note1
t
KSO2
R = 1 k
, C = 100 pF
Note2
V
DD
= 2.7 to 5.5 V
0
300
ns
output delay time
0
1000
ns
Notes 1.
SB0 in the 2-wire serial I/O mode.
R and C are the load resistance and load capacitance of the SO output line.
2.
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