SGTL5000_13 Datasheet, PDF (49/68 Pages) Freescale Semiconductor, Inc – Low Power Stereo Codec with Headphone Amp

FUNCTIONAL DEVICE OPERATION
PROGRAMMING EXAMPLES
Table 40. DAP_CONTROL 0x0100
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BITS
FIELD
RSVD
RW RESET
MIX_EN
DEFINITION
RSVD
DAP_EN
15:5
RSVD
RO
0x0
Reserved
4
MIX_EN
RW
0x0
Enable/Disable the DAP mixer path
0x0 = Disable
0x1 = Enable
When enabled, DAP_EN must also be enabled to use the mixer.
3:1
RSVD
RO
0x0
Reserved
0
DAP_EN
RW
0x0
Enable/Disable digital audio processing (DAP)
0x0 = Disable. When disabled, no audio passes through.
0x1 = Enable. When enabled, audio can pass through DAP even if none of the DAP
functions are enabled.
Table 41. DAP_PEQ 0x0102
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RSVD
EN
BITS
15:3
2:0
FIELD
RSVD
EN
RW RESET
DEFINITION
RO
0x0
Reserved
RW
0x0
Set to Enable the PEQ filters
0x0 = Disabled
0x1 = 1 Filter Enabled
0x2 = 2 Filters Enabled
.....
0x7 = Cascaded 7 Filters
DAP_AUDIO_EQ->EN bit must be set to 1 in order to enable the PEQ
Table 42. DAP_BASS_ENHANCE 0x0104
15
14
13
12
11
10
9
RSVD
8
7
6
5
4
RSVD
CUTOFF
3
2
1
0
RSVD
EN
BITS
15:9
8
7
FIELD
RSVD
BYPASS_HPF
RSVD
RW RESET
RO
0x0
Reserved
RW
0x0
Bypass high pass filter
0x0 = Enable high pass filter
0x1 = Bypass high pass filter
RO
0x0
Reserved
DEFINITION
Analog Integrated Circuit Device Data
Freescale Semiconductor
SGTL5000
49