Pin Descriptions - Harman Kardon AVR 347/230 Service Manual

harman/kardon

2. PIN DESCRIPTIONS

SDA/CDO UT
#
Pin Name Pin Description
1 Codec Serial Audio Data Input ( Input ) - Input for two's complement serial audio data.
CX_SDIN1
64
CX_SDIN2
63
CX_SDIN3
62
CX_SDIN4
2 CODEC Serial Clock (Input/Output) - Serial clock for the CODEC serial audio interface.
CX_SCLK
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.
4 Digital Power ( Input ) - Positive power supply for the digital section.
VD
51
5 Digital Ground ( Input ) - Ground reference. Should be connected to digital ground.
DGND
52
6
Control Port Power ( Input ) - Determines the required signal level for the control port.
VLC
7 Serial Control Port Clock ( Input ) - Serial clock for the serial control port. Requires an external pull-up
SCL/CCLK
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.
9
AD1/CDIN Address Bit 1 (I
the input data line for the control port interface in SPI mode.
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
CX_SDIN1 1
CX_SCLK 2
CX_LRCK 3
VD 4
DGND 5
VLC 6
SCL/CCLK 7
8
AD1/CDIN 9
AD0/CS 10
INT 11
12
RST
AINR- 13
AINR+ 14
AINL+ 15
AINL- 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C)/Serial Control Data (SPI) ( Input ) - AD1 is a chip address pin in I
2
CS42528
2
C mode as shown in the Typical Connection Diagram.
AVR 347/230, AVR 350/230 Semiconductor Pinouts
CS42528
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 AOUTA1+
35 AOUTB1+
34 AO UTB1-
33 AO UTA2-
2
C mode and requires an external pull-up
2
C mode; CDIN is
Page 12 of 51