LC72121M 데이터 시트보기 (PDF) - ON Semiconductor

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LC72121M

PLL Frequency Synthesizers for Electronic Tuning

ON Semiconductor 

LC72121, 72121M, 72121V

Procedures for Input and Output of Serial Data

This product uses the CCB (Computer Control Bus), which is original audio product serial bus format, for data input and

output. This product adopts an 8-bit address CCB format.

Address

I/O mode

B0 B1 B2 B3 A0 A1 A2 A3

Function

• Control data input (serial data input) mode

1

IN1 (82)

0

0

0

1

0

1

0

0

• 24 bits of data are input.

• See the “DI Control Data (serial data input)” section for details on the

content of the input data.

• Control data input (serial data input) mode

2

IN2 (92)

1

0

0

1

0

1

0

0

• 24 bits of data are input.

• See the “DI Control Data (serial data input)” section for details on the

content of the input data.

• Data output (serial data output) mode

3

OUT (A2) 0

1

0

1

0

1

0

0

• The number of bits output is equal to the number of clock cycles.

• See the “DO output Data (serial data output)” section for details on the

content of the output data.

I/O mode determined

Normally high

Normally low

No. 5815-7/23

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