AK4561 Datasheet, PDF (28/48 Pages) Asahi Kasei Microsystems – 16bit CODEC with built-in ALC and MIC/HP-Amp

ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Digital Delay 1
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
0AH Digital Delay 1
DLYE DLY6 DLY5 DLY4 DLY3 DLY2 DLY1
RESET
0
0
0
0
0
0
0
DLY6-0: Setting a delay quantity of Digital Delay Circuit
The ADC’s data can be delayed to maximum 90tap by a resolution of 1/64fs
(=0.3µs@fs=48kHz).
D0
DLY0
0
RESET
DATA
Tap
GAIN(dB)
59H
90
90/64fs
58H
89
89/64fs
57H
88
88/64fs
56H
87
87/64fs
55H
86
86/64fs
•
•
•
04H
5
5/64fs
03H
4
4/64fs
02H
3
3/64fs
01H
2
2/64fs
00H
1
1/64fs
Table 17. ATT value of Analog Volume
DLYE: Digital Delay Circuit Enable Flag
0: Disable. Digital delay circuit is disabled. Then its circuit is powered-down. (RESET)
1: Enable. Digital delay circuit is operated by a value set by DLY6-0 and COE3-0 bits.
Rev. 0.9
- 28 -
2000/09