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72121M Datasheet(PDF) 7 Page - Sanyo Semicon Device |
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72121M Datasheet(HTML) 7 Page - Sanyo Semicon Device |
7 / 23 page Procedures for Input and Output of Serial Data This product uses the CCB (Computer Control Bus), which is Sanyo’s audio product serial bus format, for data input and output. This product adopts an 8-bit address CCB format. No. 5815-7/23 LC72121, 72121M, 72121V I/O mode Address Function B0 B1 B2 B3 A0 A1 A2 A3 • 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. Normally high Normally low I/O mode determined |
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