Pin Descriptions - Cirrus Logic CS42518-CQZ Instructions Manual

2 PIN DESCRIPTIONS

CX_SDIN1
CX _SCLK
CX_LRCK
SCL/CCLK
SDA /CDOUT
AD1/CDIN
Pin Name # Pin Description
CX_SDIN1 1 Codec Serial Audio Data Input ( Input ) - Input for two's complement serial audio data.
CX_SDIN2 64
CX_SDIN3 63
CX_SDIN4 62
CX_SCLK 2 CODEC Serial Clock (Input/Output) - Serial clock for the CODEC serial audio interface.
3 CODEC Left Right Clock ( Input / Output ) - Determines which channel, Left or Right, is currently active on
CX_LRCK
the CODEC serial audio data line.
VD 4 Digital Power ( Input ) - Positive power supply for the digital section.
51
DGND 5 Digital Ground ( Input ) - Ground reference. Should be connected to digital ground.
52
VLC 6 Control Port Power ( Input ) - Determines the required signal level for the control port.
Serial Control Port Clock ( Input ) - Serial clock for the serial control port. Requires an external pull-up
SCL/CCLK 7
resistor to the logic interface voltage in I
8 Serial Control Data ( Input/Output ) - SDA is a data I/O line in I
SDA/CDOUT
resistor to the logic interface voltage, as shown in the Typical Connection Diagram. CDOUT is the output
data line for the control port interface in SPI mode.
AD1/CDIN 9 Address Bit 1 (I
the input data line for the control port interface in SPI mode.
16
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1
2
3
VD 4
DG ND 5
VLC 6
7
8
9
A D0/CS 10
INT 11
RST 12
A INR- 13
AINR+ 14
AINL + 15
AINL - 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
2
C)/Serial Control Data (SPI) ( Input ) - AD1 is a chip address pin in I
CS42518
2
C mode as shown in the Typical Connection Diagram.
CS42518
48 RXP1/G PO 1
47 RXP2/G PO 2
46 RXP3/G PO 3
45 RXP4/G PO 4
44 RXP5/G PO 5
43 RXP6/G PO 6
42 RXP7/G PO 7
41 VARX
40 AG ND
39 LPFLT
38 MUTEC
37 AO UTA1-
36 AO UTA1+
35 AO UTB1+
34 AO UTB1-
33 AO UTA2-
2
C mode and requires an external pull-up
2
C mode; CDIN is