MAS3587F datasheet(42/82 Pages) MICRONAS

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MAS3587F датащи(PDF) 42 Page - Micronas

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MAS 3587F

ADVANCE INFORMATION

Micronas

3.4. Audio Codec Access Protocol

The MAS 3587F has 16-bit wide registers for the control of the audio codec. These registers are accessed via the

I2C subaddresses codec_write (6Chex) and codec_read (6Dhex).

3.4.1. Write Codec Register

The controller writes the 16-bit value (d = d3,d2,d1,d0) into the MAS 3587F codec register (r = r3,r2,r1,r0). A list of

registers is given in Table 3–12.

Example: Writing the value 1234hex into the codec register with the number 00 1Bhex:

3.4.2. Read Codec Register

Reading the codec registers also needs a set-up for the register address and an additional start condition during the

actual read cycle. A list of registers is given in Table 3–13.

$6C

r3,r2

r1,r0

d3,d2

d1,d0

$6C

r3,r2

r1,r0

1) send command

$6D

d3,d2

d1,d0

2) get register value

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