STA320 查看數據表（PDF） - STMicroelectronics
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STA320 Datasheet PDF : 37 Pages
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STA320
Table 5. PIN FUNCTION
Pin N`
1
2
3
4
5
6
Name
SA
DDX1A
DDX1B
DDX2A
DDX2B
RESET
7
SCL
8
SDA
9
RESERVED
10
FILTER_PLL
11
XTI
12
GNDA
13
VddA
14
SDI_12
15
LRCKI
16
BICKI
17
GND
18
Vdd
19
Vdd
20
PWDN
21
DDX3A
22
DDX3B
23
EAPD
24
TRI-STATE
25
OCDETECT
26
FAULT
27
TWARN
28
GND
Type
I
O
O
O
O
I
I
I/O
--
I
I
I
I
I
I/O
I/O
I/O
I
O
O
O
O
I
I
I
I/O
Description
Pad Type
I²C Address selector
CMOS Input Buffer with Pull-Down
Channel 1 DDX Output A
3.3V Capable TTL 4mA Output Buffer
Channel 1 DDX Output B
3.3V Capable TTL 4mA Output Buffer
Channel 2 DDX Output A
3.3V Capable TTL 4mA Output Buffer
Channel 2 DDX Output B
3.3V Capable TTL 4mA Output Buffer
Global reset (active low)
5V Tolerant TTL Schmitt Trigger Input
Buffer
I²C Serial Clock
5V Tolerant TTL Schmitt Trigger Input
Buffer
I²C Serial Data
Bidirectional Buffer: 5V Tolerant TTL
Schmitt
Trigger Input; 3.3V Capable 2mA
Slew-rate
controlled Output.
Test pin to be externally connected
to Ground
Connection to PLL_filter
Analog Pad
PLL Input clock
5V Tolerant TTL Schmitt Trigger Input
Buffer
Analog Ground
Analog Ground
3.3V Analog Power Supply Voltage 3.3V Analog Power Supply Voltage
I²S Serial Data Channels 1 & 2
5V Tolerant TTL Input Buffer
I²S Left/Right Clock
5V Tolerant TTL Input Buffer
I²S Serial Clock
5V Tolerant TTL Input Buffer
Digital Ground
Digital Ground
3.3V Digital Power Supply Voltage 3.3V Digital Power Supply Voltage
3.3V Digital Power Supply Voltage 3.3V Digital Power Supply Voltage
Device Powerdown
5V Tolerant TTL Schmitt Trigger Input
Buffer
Channel 3 DDX Output A
3.3V Capable TTL 4mA Output Buffer
Channel 3 DDX Output B
3.3V Capable TTL 4mA Output Buffer
External Amp Power Down
3.3V Capable TTL 4mA Output Buffer
Tri-state output to Power block
3.3V Capable TTL 4mA Output Buffer
Over-current Indicator
5V Tolerant TTL Input Buffer
Power Fault Indicator
5V Tolerant TTL Input Buffer
Thermal Warning Indicator
5V Tolerant TTL Input Buffer
Digital Ground
Digital Ground
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