EMP202 Datasheet, PDF (7/28 Pages) List of Unclassifed Manufacturers – Single-Chip Dual-Channel AC’97 Audio Codec for PC Audio Systems

Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
EMPIA Technology
5. Registers
Access to registers with an odd number will return a 0. Reading unimplemented registers will also return a 0.
REG.
(HEX)
NAME
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT
00h Reset
X
SE4
SE3 SE2 SE1 SE0 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 6A90h
02h Master Volume
04H
HEADPHONE
Volume
06h Mono-Out Volume
Mute X
Mute X
Mute X
X
ML4 ML3 ML2 ML1 ML0 X X X
MR4 MR3 MR2 MR1 MR0 8000h
X
HPL4 HPL3 HPL2 HPL1 HPL0 X X X
HPL4 HPL3 HPL2 HPL1 HPL0 8000h
X
X
X
X
X
X
XXX
MM4 MM3 MM2 MM1 MM0 8000h
0Ah PC_BEEP Volume Mute X
X
X
X
X
X
X
XXX
PB3 PB2 PB1 PB0 X
0000h
0Ch PHONE Volume Mute X
X
X
X
X
X
X
XXX
PH4 PH3 PH2 PH1 PH0 8008h
0Eh MIC Volume
10h Line-In Volume
Mute X
Mute X
X
X
X
X
X
X
X
20dB ^X
MI4 MI3 MI2 MI1 MI0 8008h
X
NL4 NL3 NL2 NL1 NL0 X X X
NR4 NR3 NR2 NR1 NR0 8808h
12h CD Volume
Mute X
X
CL4 CL3 CL2 CL1 CL0 X X X
CR4 CR3 CR2 CR1 CR0 8808h
14h Video Volume
Mute X
X
VL4 VL3 VL2 VL1 VL0 X X X
VR4 VR3 VR2 VR1 VR0 8808h
16h Aux Volume
Mute X
X
AL4 AL3 AL2 AL1 AL0 X X X
AR4 AR3 AR2 AR1 AR0 8808h
18h PCM Out Volume Mute X
X
PL4 PL3 PL2 PL1 PL0 X X X
PR4 PR3 PR2 PR1 PR0 8808h
1Ah Record Select
X
X
X
X
X LRS2 LRS1 LRS0 X X X
X
X
RRS2 RRS1 RRS0 0000h
1Ch Record Gain
Mute X
X
X
LRG3 LRG2 LRG1 LRG0 X X X
X
RRG3 RRG2 RRG1 RRG0 8000h
20h General Purpose POP X
3D X
X X MIX MS LBK X X
X
X
X
X
X
0000h
22h 3D Control
26h
Power Down
Ctrl/Status
28h Extended Audio ID
2Ah
Extended Audio
Status
2Ch
PCM Out Sample
Rate
32h
PCM Input Sample
Rate
3Ah S/PDIF Ctl
3Eh
Ext’d Modem
Stat/Ctrl
4Ch GPIO Pin Config
4Eh
GPIO Pin
Polarity/Type
50h GPIO Pin Sticky
X
X
EAPD PR6
ID1 ID0
X
X
FSR
15
FSR1 4
ISR 15 ISR 14
V
DRS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
XXX
X
DP3 DP2
0000h
PR5 PR4 PR3 PR2 PR1 PR0 X X X
X
REF ANL DAC ADC 000Fh
X
X
REV1 REV0 AMAP X X X X
DSA1 DSA0 SPDIF X
VRA 0605h
X
X
X
SPCV X
X
X X SPSA1 SPSA0 X
SPDIF X
VRA 0400h
FSR1
3
FSR1
2
FSR1
1
FSR1
0
FSR9
ISR 13
ISR 12
ISR
11
ISR
10
ISR 9
FSR8 FSR7 FSR6 FSR5
ISR 8 ISR 7 ISR 6 ISR 5
FSR4
ISR 4
FSR3 FSR2
ISR 3 ISR 2
FSR1
ISR 1
FSR0 BB80h
ISR 0 BB80h
SPSR1 SPSR0 L
CC6 CC5 CC4 CC3 CC2 CC1 CC0 PRE COPY /AUDIO PRO 2000h
X
X
X
X
X
PRA X X X
X
X
X
X
GPIO 0100h
X
X
X
X
X
X
XXX
X
X
X
GC1 GC0 0300h
X
X
X
X
X
X
XXX
X
X
X
GP1 GP0 FFFFh
X
X
X
X
X
X
XXX
X
X
X
GS1 GS0 0000h
52h GPIO Mask
X
X
X
X
X
X
X
X
XXX
X
X
X
GW1 GW0 0000h
54h GPIO Pin Status X
X
X
X
X
X
X
X
XXX
X
X
X
GI1 GI0 0000h
6Ah SPDIF Output Select X
X
X
X
X
X
X
X
XXX
X
X
X
DO1 X
0000h
72h Antipop
X
X
74h EAPD/GPIO Access EAPD X
7Ch Vendor ID1
1
1
X
X
X
X
X
X
APOP X X
X
X
X
X
X
0000H
X
X
EAPD
OEN
X
X
X
XXX
X
X
INTDIS
GPIO
ACC
GPIO
SLT12
0800H
1
1
1
1
1
1
111
1
1
1
1
1
FFFFh
7Eh Vendor ID2
1
1
X: Reserved bit
1
1
1
1
1
1
111
1
1
1
1
1
FFFFh
7/15/2002
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