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MC145050 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
MC145050
Motorola
Motorola => Freescale Motorola
MC145050 Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CS
Dout
D9 – MSB D8
D7
D6 D5 D4 D3
D2 D1 D0
HIGH IMPEDANCE
D9
SCLK
1
2
3
4
5
6
7
8
9
10
SAMPLE ANALOG INPUT
Din
A3 A2
A1
A0
MSB
EOC
INITIALIZE
SHIFT IN NEW MUX ADDRESS,
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
A/D CONVERSION
INTERVAL
Figure 9. Timing for 10-Clock Transfer Using CS*
1
A3
RE-INITIALIZE
MUST BE HIGH ON POWER UP
CS
Dout D9 – MSB D8
D7
D6
D5 D4
D3
D2
D1
D0
LOW LEVEL
D9
SCLK
1
2
3
4
5
6
7
8
9
10
1
SAMPLE ANALOG INPUT
Din
A3
A2
A1
A0
A3
MSB
EOC
INITIALIZE
SHIFT IN NEW MUX ADDRESS,
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
A/D CONVERSION
INTERVAL
Figure 10. Timing for 10-Clock Transfer Not Using CS*
NOTES:
1. D9, D8, D7, , D0 = the result of the previous A/D conversion.
2. A3, A2, A1, A0 = the mux address for the next A/D conversion.
* This figure illustrates the behavior of the MC145051. The MC145050 behaves identically except there is no EOC signal and the conversion time
is 44 ADCLK cycles (user-controlled time).
MC145050 MC145051
8
MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS DEVICE DATA
 

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