Specifications

ESS Technology, Inc. SAM0023-122898 57
ES1869 DATA SHEET
REGISTERS
ESS Mixer Registers
This section provides a summary of the ESS mixer registers followed by a detailed description of each register.
Table 24 ESS Mixer Registers Summary
Reg D7 D6 D5 D4 D3 D2 D1 D0 Remark
00h Write: reset mixer Reset mixer
14h Audio 1 play volume left Audio 1 play volume right Audio 1 play volume
1Ah Mic mix volume left Mic mix volume right Mic mix volume
1Ch x x F1 Mute F0 Extended record source
32h Master volume left Master volume right Master volume
36h FM volume left FM volume right FM volume
38h AuxA (CD) volume left AuxA (CD) volume right AuxA (CD) volume
3Ah AuxB volume left AuxB volume right AuxB volume
3Ch PC speaker volume PC speaker volume
3Eh Line volume left Line volume right Line volume
40h ES1869 identification value Read-only
42h
Input
override
Record Source Select Record Level Serial mode input control
44h
Master
volume
override
Serial mode output select Master volume Serial mode output control
46h
Analog
control
override
Music
mixer test
Left ADC Right ADC Mono x
FDXO
enable
FDXI
enable
Serial mode analog control
48h SE
Two’s
comp
Serial
reset
Enable
ES689/
ES69x
intfc
Active low
sync
1: DSP
test mode
Enable 1st
DMA in
SMODE
0 Serial mode control
4Ah 0 Two’s complement divisor FSX/FSR rate control (test)
4Ch
Filter over-
ride
0 0 0 Two’s complement filter divider Serial mode filter divider
4Eh
TX
SRC1
TX
SRC0
TX 16/8
TX
stereo/
mono
RX
SRC1
RX
SRC0
RX 16/8
RX
stereo/
mono
Serial mode format/source/target
50h 0 0 0 0
1:Enable
3-D
0:Reset 0 0 3-D enable
52h 0 0 3-D level 3-D level
60h 0 1:Mute Left master volume Left master volume and mute
61h 0 1:Mute Left volume counter
Hardware volume control
counter
62h 0 1:Mute Right master volume Right master volume and mute
63h 0 1:Mute Right volume counter
Hardware volume control
counter
64h
1:Split
mode
MPU-401
int mask
1:Count
by 3
Read-only
HMV int
request
Mode
HMV
int mask
Disable SB
Pro master
vol control
Master volume control
65h
Opamp cal-
ibration
Opamp calibration control
66h Clear hardware volume interrupt request Write-only
68h Mic record volume left Mic record volume right Mic record volume
69h Audio 2 record volume left Audio 2 record volume right Audio 2 record volume
6Ah AuxA (CD) record volume left AuxA (CD) record volume right AuxA (CD) record volume
6Bh Music DAC record volume left Music DAC record volume right Music DAC record volume
6Ch AuxB record volume left AuxB record volume right AuxB record volume
6Dh Left Mono_In play mix Right Mono_In play mix Mono_In play mix
6Eh Line record volume left Line record volume right Line record volume