DA7217 datasheet(57/157 Pages) RENESAS

57 / 157 page

Ultra-Low Power Stereo Codec

R32DS0005EE0370 Revision 3.7

Aug 9, 2024

CFR0011-120-00

Page 57

NOTE

The gain settings for each gain-control register listed above are listed in Table 41.

Table 41: Gain settings and values for all registers listed in Table 40

Gain Register Setting

Value (dB)

Gain Register Setting

Value (dB)

00000

-42.0

10000

-18.0

00001

-40.5

10001

-16.5

00010

-39.0

10010

-15.0

00011

-37.5

10011

-13.5

00100

-36.0

10100

-12.0

00101

-34.5

10101

-10.5

00110

-33.0

10110

-9.0

00111

-31.5

10111

-7.5

01000

-30.0

11000

-6.0

01001

-28.5

11001

-4.5

01010

-27.0

11010

-3.0

01011

-25.5

11011

-1.5

01100

-24.0

11100

(default setting on all registers)

0.0

01101

-22.5

11101

1.5

01110

-21.0

11110

3.0

01111

-19.5

11111

4.5

9.3.4.8

Digital Gain

9.3.4.8.1

Input Channel Gain

The four input filter channels can be set to apply gain in the range of -83.25 dB to +12 dB in 0.75 dB steps by

programming in_1l_digital_gain, in_1r_digital_gain, in_2l_digital_gain, and in_2r_digital_gain.

9.3.4.8.2

Output Channel Gain

The two output filter channels can be set to apply gain in the range of -83.25 dB to +108 dB in 0.75 dB steps by

programming out_1l_digital_gain and out_1r_digital_gain.

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