Pin connections STA382BWS
20/172
26
27
28
29
30
31
Table 2.
Pin list
VQFN 48-pin
13
14
15
16
9
10
11
12
7
8
5
6
3
4
1
2
21
22
23
24
17
18
19
20
Name
LINEINR
LINEHPOUT_L
LINEHPOUT_R
GNDA
SOFTMUTE
VDD3V3
CPVSS
CPM
GNDPSUB
CPP
VDD3V3CHP
VDDDIG1
GNDDIG1
FFX3A
FFX3B
VCC_REG
VSS_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
VDD_REG
GND_REG
F3X_FILT
F3XL
F3XR
LINEINL
Type
INPUT
OUTPUT
OUTPUT
POWER
INPUT
POWER
POWER
FILTER
POWER
FILTER
POWER
POWER
POWER
OUTPUT
OUTPUT
POWER
POWER
OUTPUT
POWER
POWER
OUTPUT
OUTPUT
POWER
POWER
OUTPUT
POWER
POWER
POWER
OUTPUT
OUTPUT
INPUT
Description
VCC reg
Vss reg, VCC_REG-3.3 V
Half-bridge 2B output
Half-bridge 2A and 2B ground
Half-bridge 2A and 2B supply
Half-bridge 2A output
Half-bridge 1B output
Half-bridge 1A and 1B supply
Half-bridge 1A and 1B ground
Half-bridge 1A output
VDD reg 3.3 V
DC reg ground
F3X reference voltage
F3X analog out left channel
F3X analog out right channel
Line in left channel
Line in right channel
Headphone/line driver left channel
Headphone/line driver right channel
Headphone/line driver power ground
Soft mute
+3 V LDO power supply
-3.3 V charge pump pin
CHP Cfly negative
Charge pump ground
CHP Cfly positive
Charge pump power supply
I/O ring power supply
Digital core ground
Digital PWM line out
Digital PWM line out
Doc ID 022784 Rev 1
STA382BWS
Table 2.
Pin list (continued)
VQFN 48-pin Name
36
37
38
39
40
32
33
34
35
EAPD/FFX4B
TWARN/FFX4A
VREGFILT
AGNDPLL
MCLK
BICKI
LRCKI
SDI
RESET
41
46
47
48
42
43
44
45
PWDN
INTLINE
SDA
SCL
SA
TEST_MODE
GNDDIG2
VDDDIG2
Pin connections
Type
OUTPUT
OUTPUT
POWER
POWER
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
OUTPUT
I/O
INPUT
INPUT
INPUT
POWER
POWER
Description
Digital PWM line out
Digital PWM line out
Digital VDD from core
PLL analog ground
PLL input clock
IIS serial clock
IIS left/right clock
IIS serial data input
Reset
Device power-down
0 = power-down
1 = normal operation
Fault interrupt
IIC serial data
IIC serial clock
IIC select address (pull-down)
This pin must be connected to ground (pull-down)
Digital I/O ground
Digital core LDO supply
Obsolete Product(s) - Obsolete Product(s)
Doc ID 022784 Rev 1 21/172
