STAC9758 Datasheet, PDF (90/119 Pages) Integrated Device Technology – HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS

STAC9758/9759
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
PC AUDIO
8.6.7.
Universal Jack^TM Input Select (66h, Page 00h)
Register 24h must be set to Page 00h to access this register.
Default: 0201h
D15
D14
D13
D12
D11
D10
D9
D8
RESERVED
LI2
LI1
LI0
D7
D6
D5
D4
D3
D2
D1
D0
RESERVED
MI2
MI1
MI0
Bit(s) Reset Value R/W Name
Description
15:11
0
RO RESERVED Bit not used, should read back 0
Line Input Selector
Determines which pair of input pins is routed to the input of the Line In
section
00h = 000b = Pins 16 & 17
MIC2_L, MIC2_R
01h = 001b = Pins 21 & 22
MIC1_L, MIC1_R
10:8
010
RW LI[2:0] 02h = 010b = Pins 23 & 24
LINE_IN_L, LINE_IN_R
03h = 011b = Pins 35 & 36
FRONT_L, FRONT_R
04h = 100b = Pins 39 & 41
SURR_L, SURR_R
05h = 101b = Pins 43 & 44
CTR, LFE
06h = 110b = MUTE
07h = 111b = MUTE
7:3
0
RO RESERVED Bit not used, should read back 0
Microphone Input Selector
Determines which pair of input pins is routed to the input of the Microphone
Preamp
00h = 000b = Pins 16 & 17
MIC2_L, MIC2_R
01h = 001b = Pins 21 & 22
MIC1_L, MIC1_R
2:0
001
RW MI[2:0] 02h = 010b = Pins 23 & 24
LINE_IN_L, LINE_IN_R
03h = 011b = Pins 35 & 36
FRONT_L, FRONT_R
04h = 100b = Pins 39 & 41
SURR_L, SURR_R
05h = 101b = Pins 43 & 44
CTR, LFE
06h = 110b = MUTE
07h = 111b = MUTE
IDT™
90
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
STAC9758/9759
V 1.2 1206