CS42435-CMZ Cirrus Logic Inc, CS42435-CMZ Datasheet - Page 9

• Manufacturer Part Number: CS42435-CMZ
• Description: IC,Soundcard Circuits,CMOS,QFP,52PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

DS685F1
2. PIN DESCRIPTIONS - HARDWARE MODE
TEST
MFREQ
RST
VLC
FS
VD
DGND
VLS
SCLK
MCLK
ADC_SDOUT
DAC_SDIN
AUX_LRCK
AUX_SCLK
AUX_SDIN
Pin Name
1,2,4 Test - These pins are inputs used for test purposes only. They must be tied high or low.
9,18
15
10
11
12
13
14
16
17
#
3
5
6
7
8
MCLK Frequency (Input) - Sets the required frequency range of the input master clock.
Reset (Input) - The device enters a low-power mode and all internal registers are reset to their
default settings when low.
Control Port Power (Input) - Determines the required signal level for the control port interface.
See
Frame Sync (Input) - Signals the start of a new TDM frame in the TDM digital interface format.
Digital Power (Input) - Positive power supply for the digital section.
Digital Ground (Input) - Ground reference for the digital section.
Serial Port Interface Power (Input) - Determines the required signal level for the serial port inter-
faces. See
Serial Clock (Input) - Serial clock for the serial audio interface. Input frequency must be 256 x Fs.
Master Clock (Input) - Clock source for the delta-sigma modulators and digital filters.
Serial Audio Data Output (Output) - TDM output for two’s complement serial audio data.
DAC Serial Audio Data Input (Input) - TDM Input for two’s complement serial audio data.
Auxiliary Left/Right Clock (Output) - Determines which channel, Left or Right, is currently active
on the Auxiliary serial audio data line.
Auxiliary Serial Clock (Output) - Serial clock for the Auxiliary serial audio interface.
Auxiliary Serial Input (Input) - The 42435 provides an additional serial input for two’s comple-
ment serial audio data.
ADC_SDOUT
“Digital I/O Pin Characteristics” on page
MFREQ
DGND
MCLK
SCLK
TEST
TEST
TEST
RST
VLC
VLS
“Digital I/O Pin Characteristics” on page
VD
FS
1
2
3
4
5
6
7
8
9
10
11
12
13
52 51 50 49 48 47 46 45 44 43 42 41
14 15 16 17 18 19 20 21 22 23 24 25
CS42435
Pin Description
8.
8.
40
26
39
38
33
37
36
35
34
31
30
29
28
27
32
AIN1+
AIN1-
VA
VQ
AGND
AOUT8-
AOUT8+
AOUT7+
AOUT7-
AOUT6-
AOUT6+
AOUT5+
AOUT5-
CS42435
9