ssm2602 Analog Devices, Inc., ssm2602 Datasheet - Page 26

• Manufacturer Part Number: ssm2602
• Description: Low Power Audio Codec
• Manufacturer: Analog Devices, Inc.

SSM2602
ALC CONTROL 2, ADDRESS 0x11
Table 38. ALC Control 2 Register Bit Map
D8
0
Table 39. Descriptions of ALC Control 2 Register Bits
Bit Name
DCY [3:0]
ATK [3:0]
NOISE GATE, ADDRESS 0x12
Table 40. Noise Gate Register Bit Map
D8
0
Table 41. Descriptions of Noise Gate Register Bits
Bit Name
NGTH [4:0]
NGG [1:0]
NGAT
1
X = don’t care.
D7
D7
Description
Decay (release) time control
ALC attack time control
Description
Noise gate threshold
Noise gate type
Noise enable
D6
D6
DCY [3:0]
D5
NGTH [4:0]
D5
D4
Rev. PrB | Page 26 of 28
D4
Settings
00000: −76.5 dBFS (default)
00001: −75 dBFS
… 1.5 dB steps up to
11110: −31.5 dBFS
11111: −30 dBFS
X0: hold PGA gain constant (default)
01: mute output
11: reserved
0: noise disable (default)
1: noise enable
Settings
0000: 24 ms
0001: 48 ms
0010: 96 ms
0011: 192 ms (default)
… 24 ms steps up to
1010: 24.576 sec
0000: 6 ms
0001: 12 ms
0010: 24 ms (default)
… 6 ms steps up to
1010: 6.144 sec
D3
D3
D2
Preliminary Technical Data
D2
NGG [1:0]
ATK [3:0]
D1
1
D1
D0
NGAT
D0