92HD90B0X5NLGXYAX IDT, 92HD90B0X5NLGXYAX Datasheet - Page 287

• Manufacturer Part Number: 92HD90B0X5NLGXYAX
• Description: Interface - CODECs
• Manufacturer: IDT

Specifications of 92HD90B0X5NLGXYAX

• Rohs: yes
• Part # Aliases: IDT92HD90B0X5NLGXYAX

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
verb F92/792
verb F93/793
verb F94/794
Register Address
Register Address
Register Address
7.29.1.20. MUTE Register
Prior to WC revision, this register reset by POR/DAFG/ULR. WC revision, reset by POR only. Writing
to NID22h verb 77F will cause reset on all silicon revisions.
7.29.1.21. ATTEN Register
Prior to WC revision, this register reset by POR/DAFG/ULR. WC revision, reset by POR only. Writing
to NID22h verb 77F will cause reset on all silicon revisions.
7.29.1.22. DC_COEF_SEL Register
Prior to WC revision, this register reset by POR/DAFG/ULR. WC revision, reset by POR only. Writing
to NID22h verb 77F will cause reset on all silicon revisions.
7:3
2
1
0
7:0
7:3
2:0
Bit
Bit
Bit
Reserved
Mute
mute1
mute0
atten
Reserved
dc_coef_sel
Label
Label
Label
RW
RO
RW
RW
RW
RO
RW
Type Default
Type
Type
0x0
0
0
0
0x0
0
0x5
Default
Default
287
RESERVED
1 = mute all channels
1 = mute ch1
1 = mute ch0
RESERVED
Attenuation. Each bit represents 0.5dB of attenuation to be
applied to the channel. The range will be -125dB to 2dB as
follows:
0x00: +2dB
0x01: +1.5dB
0x02: +1.0dB
...
0x47: -33.5dB
0x48: -34.0dB
0x49: -34.5dB
...
0xFE: -125dB
0xFF: Hard Master Mute
0:dc_coef = 24’h100000;
//2^^-3 = 0.125
1:dc_coef = 24’h040000;
2:dc_coef = 24’h010000;
3:dc_coef = 24’h004000;
4:dc_coef = 24’h001000;
5:dc_coef = 24’h000400;
6:dc_coef = 24’h000100;
//2^^-15 = 0.000330517
7:dc_coef = 24’h000040;
//2^^-17
Description
Description
Description
V 1.2 3/12
92HD98