SSM2602
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
MCLK/XTI
XTO
DCVDD
DGND
DBVDD
CLKOUT
BCLK
1
2
3
4
5
6
7
21 MICBIAS
20 VMID
19 AGND
18 AVDD
17 ROUT
16 LOUT
15 PGND
SSM2602
TOP VIEW
(Not to Scale)
Figure 7. Pin Configuration
Table 10. Pin Function Descriptions
Pin No.
Mnemonic
MCLK/XTI
XTO
DCVDD
DGND
DBVDD
CLKOUT
BCLK
PBDAT
PBLRC
RECDAT
RECLRC
HPVDD
LHPOUT
RHPOUT
PGND
LOUT
ROUT
AVDD
AGND
VMID
MICBIAS
MICIN
RLINEIN
LLINEIN
MODE
CSB
Type
Description
1
2
3
4
5
6
7
8
Digital Input
Digital Output
Digital Supply
Digital Ground
Digital Supply
Digital Output
Master Clock Input/Crystal Input.
Crystal Output.
Digital Core Supply.
Digital Ground.
Digital I/O Supply.
Buffered Clock Output.
Digital Audio Bit Clock.
DAC Digital Audio Data Input, Playback Function.
DAC Sampling Rate Clock, Playback Function (from Left and Right Channels).
ADC Digital Audio Data Output, Record Function.
ADC Sampling Rate Clock, Record Function (from Left and Right Channels).
Headphone Supply.
Headphone Output for Left Channel.
Headphone Output for Right Channel.
Headphone Ground.
Line Output for Left Channel.
Line Output for Right Channel.
Analog Supply.
Analog Ground.
Midrail Voltage Decoupling Input.
Microphone Bias.
Microphone Input Signal.
Line Input for Right Channel.
Line Input for Left Channel.
Digital Input/Output
Digital Input
9
Digital Input/Output
Digital Output
Digital Input/Output
Analog Supply
Analog Output
Analog Output
Analog Ground
Analog Output
Analog Output
Analog Supply
Analog Ground
Analog Output
Analog Output
Analog Input
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Analog Input
Analog Input
Digital Input
Digital Input
Control Interface Selection to Select I2C/SPI.
3-Wire Control Interface Chip Selection, Active Low/2-Wire Control Interface I2C Address
Selection.
27
28
SDIN
SCLK
Digital Input/Output
Digital Input
3-Wire Control Interface Data Input/2-Wire Control Interface Data Input/Output.
3-Wire/2-Wire Control Interface Clock Input.
GND Pad
Thermal Pad
Center Thermal Pad. Connect to PCB ground layer.
Rev. 0 | Page 9 of 32