AK7735EQ Datasheet, PDF (126/142 Pages) Asahi Kasei Microsystems – Dual DSP with 4chADC + 4chDAC + 4chSRC

[AK7735]
Addr Register Name
D7
D6
D5
D4
D3
005D DAC Mute & Filter Setting
ATSPDA DA1MUTE DA2MUTE
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
ATSPDA: DAC Digital Volume Transition Time Setting (Table 57)
0: 4/fs (default)
1: 16/fs
DA1MUTE: DAC1 Soft Mute Enable
0: Soft Mute Disable (default)
1: Soft Mute Enable
DA2MUTE: DAC2 Soft Mute Enable
0: Soft Mute Disable (default)
1: Soft Mute Enable
DASD, DASL: DAC Digital Filter Select (Table 61)
00: Sharp Roll-Off Filter (default)
01: Slow Roll-Off Filter
10: Short Delay Sharp Roll-Off Filter
11: Short Delay Slow Roll-Off Filter
D2
D1
D0
0
DASD
DASL
R/W
R/W
R/W
0
0
0
Addr Register Name
D7
D6
D5
D4
005E DAC De-Emphasis Setting
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
DEM2[1:0]: De-emphasis Filter Setting of DAC2 (Table 62)
00: 44.1kHz
01: off (default)
10: 48kHz
11: 32kHz
DEM1[1:0]: De-emphasis Filter Setting of DAC1 (Table 62)
00: 44.1kHz
01: off (default)
10: 48kHz
11: 32kHz
D3
D2
DEM2[1:0]
R/W
R/W
0
1
D1
D0
DEM1[1:0]
R/W
R/W
0
1
Addr Register Name
0060 SRC Filter Setting
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
SRCFEC SRCFAUD
0
SRCPHGR
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
SRCFEC, SRCFAUD: SRC Digital Filter Setting
00: Voice Mode (default)
01: Audio Mode
1x: Echo Canceller Mode
SRCPHGR: Group Delay Matching Function for Multiple SRCs on the Same Sampling Rate
0: Disable (default)
1: Enable
016014707-E-00
- 126 -
2016/12