cs4215 Cirrus Logic, Inc., cs4215 Datasheet - Page 18

• Manufacturer Part Number: cs4215
• Description: 16-bit Multimedia Audio Codec
• Manufacturer: Cirrus Logic, Inc.

Control Time Slot 1, Status Register
Control Time Slot 2, Data Format Register
18
RSRV
CLB
OLB
MLB
DF1-0
ST
DFR2-0
RSRV
HPF
BIT
BIT
Reserved Bits
Control Latch Bit
Output Level Bit
Microphone Level
Data Format
Selection
Stereo Bit
Data Conversion
Frequency Selection
Reserved Bit
High Pass Filter
Reset (R)
Reset (R)
Register
Register
NAME
NAME
HPF
D7
D7
0
0
0
RSRV DFR2 DFR1 DFR0
D6
D6
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0
X
0
0 0
0 1
1 0
1 1
1
0
1
0
1
0
1
0
1
VALUE
VALUE
D5
D5
1
1
0
0
1
2
3
0
1
2
3
4
5
6
7
MLB
R Ensures proper transition between control and
R Line full scale outputs are 2.8 Vpp (1Vrms)
R 20 dB Fixed Gain Enabled
R
R Mono Mode.
R
R Disabled.
D4
D4
0
0
Must be written as 0.
Line and Headphone full scale outputs are
20 dB Fixed Gain Disabled
16-bit 2
8-bit
8-bit A-Law.
8-bit unsigned linear.
Stereo Mode.
Must be written as 0
Enabled. A Digital High Pass Filter is used to force
data mode.
Headphone full scale output is 4.0 Vpp.
Speaker full scale output is 8.0 Vpp.
2.0 Vpp. Speaker full scale output is 4.0 Vpp.
Full scale microphone inputs are 0.288 Vpp.
Full scale inputs are 2.88 Vpp.
the ADC DC offset to zero.
OLB
D3
D3
0
0
CLKIN ( )
’s
Law.
-complement linear.
3072
1536
2560
896
768
448
384
512
CLB
ST
D2
D2
1
0
FUNCTION
FUNCTION
DF1
D1
D1
X
24.576 MHz
0
XTAL1(kHz)
RSRV
27.42857
NA
NA
9.6
16
32
48
8
DF0
D0
D0
X
1
CS4215
16.9344 MHz
XTAL2 (kHz)
5.5125
11.025
33.075
22.05
6.615
18.9
37.8
44.1
DS76F2