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參數(shù)資料
| 型號： | AS8412 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 消費家電 |
| 英文描述： | HIGH PERFORMANCE AUTOMOTIVE SONAR INTRUSION |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 116K |
| 代理商： | AS8412 |
High Performance Automotive Sonar Intrusion – Data Sheet
AS8412
March 2001
Page 3 of 14
Pin Description
AS8412
Pin #
1
2
3
4
5
6
7
8
9
Name
TX1
OSCIN
OSCOUT
VCAP
AVDD
AGND
RXGND
RX
SEL40K
Description
40-kHz burst generator - output 1.
Clock input or crystal / ceramic resonator connection.
Crystal / ceramic resonator connection. Not connected when external clock is applied.
Pin for programming capacitor at the envelope detector.
Analog supply voltage (+5V).
Analog ground.
Analog ground.
Ultrasonic echo input.
Time reference select input (SEL40K=’1’ to select 40 kHz or SEL 40K=’0’ to select 400 kHz
at OSCIN).
Alarm enable input (when ALEN =’0’, the outputs ALARM, WARN and LED are disabled).
Sensitivity selection (least significant bit).
Sensitivity selection (most significant bit).
SAS enable input (SAS=’1’ activates Self-Adjusting Sensitivity, SAS=’0’ keeps sensitivity
fixed)
Test / reset pin. A rising edge resets the IC. This pin should be left unconnected or tied to
VDD for normal operation.
Digital supply voltage (+5V).
Digital ground
Active-low signalling LED output (open drain).
10
11
12
13
ALEN
SENS0
SENS1
SAS
14
TP
15
16
17
VDD
GND
LED
18
WARN
Active-low auxiliary alarm output (open drain).
19
ALARM
TX2
Active-low main alarm output (open drain).
20
40-kHz burst generator - output 2.
Pinout & Packaging
Available Package(s):
20 pin DIP
20 pin SOIC
TX1
OSCIN
OSCOUT
VCAP
AVDD
AGND
RXGND
RX
SEL40K
ALEN
TX2
ALARM
WARN
LED
GND
VDD
TP
SAS
SENS1
SENS0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS8413 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:HIGH PERFORMANCE AUTOMOTIVE SONAR INTRUSION |
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