AK4635 datasheet(69/81 Pages) AKM

69 / 81 page

[AK4635]

Rev. 0.6

2007/10

- 69 -

Addr

05H

Mode Control 2

ADRST

FCKO

FS3

MSBS

BCKP

FS2

FS1

FS0

R/W

Default

FS3-0: Setting of Sampling Frequency (Table 5 and Table 6) and MCKI Frequency (Table 11)

These bits are selected to sampling frequency at PLL mode and MCKI frequency at EXT mode.

Default: “0000”

BCKP, MSBS: “00” (default) (Table 17)

FCKO: Select FCK output frequency at Master Mode (Table 10)

Default: “0”

ADRST: Initialization cycle setting of ADC

0: 1059/fs (default)

1: 291/fs

Addr

06H

Timer Select

WTM2

ZTM1

ZTM0

WTM1

WTM0

RFST1

RFST0

R/W

Default

WTM2-0: ALC1 Recovery Waiting Period (Table 28)

A period of recovery operation when any limiter operation does not occur during the ALC1 operation.

Default is “000”.

ZTM1-0: ALC1, ALC2, IVOL and OVOL Zero crossing timeout Period (Table 27)

The gain is changed by the manual volume controlling (ALC off) or the recovery operation (ALC on) only at

Zero crossing or timeout. The default value is “00”.

RFST1-0 : ALC First recovery Speed (Table 32)

Default: “00” (4times)

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