mc145053p Lansdale Semiconductor, Inc., mc145053p Datasheet - Page 8

• Manufacturer Part Number: mc145053p
• Description: 10-bit A/d Converter With Serial Interface Cmos
• Manufacturer: Lansdale Semiconductor, Inc.

ML145053
Page 8 of 15
NOTES:
1. D9, D8, D7, D6, D5, …, D0 = the result of the previous A/D conversion.
2. A3, A2, A1, A0 = the mux address for the next A/D conversion.
SCLK
EOC
SCLK
EOC
CS
D out
D in
CS
D out
D in
INITIALIZE
INITIALIZE
D9–MSB
D9–MSB
MSB
MSB
A3
MUST BE HIGH ON POWER UP
1
1
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
D8
D8
A2
SIMULTANEOUSLY SHIFT OUT PREVIOUS CONVERSION VALUE
2
2
D7
D7
A1
3
3
Figure 10. Timing for 10-Clock Transfer Not Using CS
SHIFT IN NEW MUX ADDRESS,
SHIFT IN NEW MUX ADDRESS,
A0
D6
D6
Figure 9. Timing for 10-Clock Transfer Using CS
4
4
D5
D5
5
5
D4
D4
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6
6
D3
D3
7
7
D2
D2
8
8
D1
D1
9
9
D0
D0
10
10
A/D CONVERSION
A/D CONVERSION
INITERVAL
INITERVAL
HIGH IMPEDANCE
LANSDALE Semiconductor, Inc.
LOW LEVEL
RE-INITIALIZE
D9
D9
A3
A3
1
1
Issue A