AKD4635 datasheet(68/81 Pages) AKM

68 / 81 page

[AK4635]

Rev. 0.6

2007/10

- 68 -

Addr

03H

Signal Select 2

PFSDO

AOPS

MGAIN1

SPKG

PFDAC

ADCPF

R/W

Default

ADCPF: Select of Input signal to Programmable Filter/ALC.

0: SDTI

1: Output of ADC (default)

PFDAC: Select of Input signal to DAC.

0: SDTI (default)

1: Output of Programmable Filter/ALC

SPKG: Select Speaker-Amp Output Gain

0: 0dB (default)

1: +2dB

MGAIN1: Mic-Amplifier Gain Control (Table 20)

MGAIN3-2 and MGAIN0 bits are D3, D2 and D0 of 02H. Default: “0001” (+20.0dB)

AOPS: Mono Line Output Power-Save Mode

0: Normal Operation (default)

1: Power-Save Mode

Power-save mode is enable at AOPS bit = “1”. POP noise at power-up/down can be reduced by changing at

PMAO bit = “1”. (Figure 40)

PFSDO: Select of signal from SDTO

0: Output of ADC (1st - HPF)

1: Output of Programmable Filter/ALC (default)

Addr

04H

Mode Control 1

PLL3

PLL2

PLL1

PLL0

BCKO1

BCKO0

DIF1

DIF0

R/W

Default

DIF1-0: Audio Interface Format (Table 16)

Default: “10” (MSB First)

BCKO1-0: Select BICK output frequency at Master Mode (Table 9)

Default: “00” (16fs)

PLL3-0: Select input frequency at PLL mode (Table 4)

Default: “0000” (FCK pin)

AKD4635 Datasheet(PDF) 68 Page - Asahi Kasei Microsystems

AKD4635 Datasheet(HTML) 68 Page - Asahi Kasei Microsystems

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