MC145745 Просмотр технического описания (PDF) - Motorola => Freescale
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MC145745 Datasheet PDF : 16 Pages
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SCP TIMING CHARACTERISTICS
Ref.
No.
Characteristic
1
SCPEN Active Before Rising Edge of SCPCLK
2
SCPCLK Rising Edge Before SCPEN Active
3
SCP Rx Setup Time Before SCPCLK Rising Edge
4
SCP Rx Hold Time After SCPCLK Rising Edge
5
SCPCLK Period
6
SCPCLK Pulse Width (Low)
7
SCPCLK Pulse Width (High)
8
SCP Tx Active Delay Time
9
SCPCLK Falling Edge to SCP Tx High Impedance
10 SCPEN Inactive Before SCPCLK Rising Edge
11
SCPCLK Rising Edge Before SCPEN Inactive
12 SCPCLK Falling Edge to SCP Tx Valid Data
Min
Max
Unit
50
—
ns
50
—
ns
35
—
ns
20
—
ns
250
—
ns
50
—
ns
50
—
ns
0
50
ns
—
30
ns
50
—
ns
50
—
ns
0
50
ns
SCPEN
SCPCLK
SCP Rx
SCP Tx
10
21
1
2
3
R/W
A2
3
4
4
A1
A0
5
5
6
7
7
6
D3
D2
D1
11
8
9
D0
8
12
9
D3
D2
D1
D0
Figure 4. Serial Control Port Timing
MC145745
8
MOTOROLA
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