sta381bws STMicroelectronics, sta381bws Datasheet - Page 20

• Manufacturer Part Number: sta381bws
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Pin connections
20/168
Table 2.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
VQFN 48-pin
Pin list (continued)
FFX3B
FFX4A
FFX4B
VREGFILT
AGNDPLL
MCLK
BICKI
LRCKI
SDI
RESET
PWDN
INTLINE
SDA
SCL
SA
TEST_MODE
GNDDIG2
VDDDIG2
Not Connected
Name
Doc ID 018937 Rev 2
OUTPUT
OUTPUT
OUTPUT
POWER
POWER
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
OUTPUT
I/O
INPUT
INPUT
INPUT
POWER
POWER
N.C.
Type
Digital PWM line out
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
Description
STA381BWS