Preliminary Technical Data
SSM2602
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
MCLK/XTI
XTO
DCVDD
DGND
DBVDD
INT/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 2. Pin Configuration of SSM2602
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
MCLK/XTI
XTO
DCVDD
DGND
DBVDD
CLKOUT
BCLK
DACDAT
DACLRC
Type
Description
1
2
3
4
5
6
7
8
9
Digital Input
Master Clock Input/Crystal Input
Crystal Output
Digital Core Supply
Digital Ground
Digital I/O Supply
Buffered Clock Output
Digital Audio Bit Clock. This pin is pulled down when the ACTIVE register is set to 0.
DAC Digital Audio Data Input
Digital Output
Digital Supply
Digital Ground
Digital Supply
Digital Output
Digital Input/Output
Digital Input
Digital Input/Output
DAC Sample Rate Clock (from Left and Right Channels). This pin is pulled down
when the ACTIVE register is set to 0.
10
11
ADCDAT
ADCLRC
Digital Output
Digital Input/Output
ADC Digital Audio Data Output
ADC Sample Rate Clock (from Left and Right Channels). This pin is pulled down
when the ACTIVE register is set to 0.
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
HPVDD
LHPOUT
RHPOUT
PGND
LOUT
ROUT
AVDD
AGND
VMID
MICBIAS
MICIN
RLINEIN
LLINEIN
MODE
CSB
Analog Supply
Analog Output
Analog Output
Analog Ground
Analog Output
Analog Output
Analog Supply
Analog Ground
Analog Output
Analog Output
Analog Input
Analog Input
Analog Input
Digital Input
Headphone Supply
Left-Channel Headphone Output
Right-Channel Headphone Output
Headphone Ground
Left-Channel Line Output
Right-Channel Line Output
Analog Supply
Analog Ground
Middle Voltage Decoupling Capacitor
Microphone Bias
Microphone Input Signal
Right-Channel Line/Microphone Input
Left-Channel Line/Microphone Input
Control Interface Selection to Select I2C®/SPI
3-Wire MPU Chip Select/2-Wire MPU Interface Address Selection, Active Low. This pin is
pulled up when the ACTIVE register is set to 0.
Digital Input
27
28
SDIN
SCLK
Digital Input/Output
Digital Input
3-Wire MPU Data Input/2-Wire MPU Data Input/Output
3-Wire MPU Clock Input/2-Wire MPU Clock Input
Rev. PrB | Page 7 of 28