AS8221-ASST View Datasheet(PDF) - austriamicrosystems AG
Part Name
Description
Manufacturer
AS8221-ASST Datasheet PDF : 43 Pages
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AS8221
Data Sheet - Pin Assignments
4 Pin Assignments
Figure 2. Pin Assignments SSOP20 Package
INH2
1
INH1
2
EN
3
VIO
4
TxD
5
TxEN
6
RxD
7
BGE
8
STBN
9
Reserved
10
20
n.u
19
VCC
18
BP
17
BM
AS8221
16
GND
15
WAKE
14
VBAT
13
ERRN
12
RxEN
11
n.u
4.1 Pin Descriptions
Table 1. Pin Descriptions
Pin Name
INH2
INH1
EN
VIO
TxD
TxEN
RxD
BGE
STBN
Pin Number
1
2
3
4
5
6
7
8
9
Reserved
10
Not used
11
RxEN
12
ERRN
13
VBAT
14
WAKE
15
GND
16
BM
17
BP
18
VCC
19
Not used
20
Pin Type
AIO
AIO
DI_PD
S
DI_PD
DI_PU
DO
DI_PD
DI_PD
A/DIO_PD
Description
Analog Output. Inhibit 2 output for switching external voltage regulator
Analog Output. Inhibit 1 output for switching external voltage regulator
Digital Input. Enable input
Supply Voltage. I/O supply voltage
Digital Input. Transmit data input
Digital Input. Transmitter enable input
Digital Output. Receive data output
Digital Input. Bus guardian enable input
Digital Input. Standby input
1
DO
Digital Output. Receive data enable output
DO
Digital Output. Error diagnosis output and wake status output
S
Supply Voltage. Battery supply voltage
AIO
Analog Input. Local wake-up input
S
Ground
AIO
Analog Input/Output. Bus line Minus
AIO
Analog Input/Output. Bus line Plus
S
Supply voltage.
1. To be connected to GND or to be unconnected
www.austriamicrosystems.com/flexray/AS8221
Revision 1.1
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