U6812B Просмотр технического описания (PDF) - Atmel Corporation
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U6812B Datasheet PDF : 10 Pages
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Pin Configuration
Figure 2. Pinning SO16
GND 1
OUT 2 2
IN 2
3
DIS
4
VCC 5
IN 3 6
OUT 3 7
GND 8
U6812B
16 GND
15 K
14 TXD
13 RXD
12 VS
11 IN 1
10 OUT 1
9 GND
Pin Description
Pin
Symbol
1
GND
2
OUT 2
3
IN 2
4
DIS
5
VCC
6
IN 3
7
OUT 3
8
GND
9
GND
10
OUT 1
11
IN 1
12
VS
13
RXD
14
TXD
15
K
16
GND
Type
Supply
Open-collector output
Digital input
Digital input
Supply
Digital input
Open-collector output
Supply
Supply
Open-collector output
Digital input
Supply/reference
Digital output
Digital input
12-V input and O.C. output
Supply
Function
Ground; all ground pins are directly connected to the lead frame
Protected output of driver 2 (faced to: outside)
Input of protected driver 2 (faced to: µP)
Disable input for OUT 2 and OUT 3, “H”=enable, “L”=disable
+5-V supply
Input of protected driver 3 (faced to: µP)
Protected output of driver 3 (faced to: outside)
Ground
Ground
Protected output of driver 1 (faced to: outside)
Input of protected driver 1 (faced to: µP)
+12-V reference for K-line level
Diagnosis receive line (faced to: µP)
Diagnosis transmit line (faced to: µP)
Bi-directional diagnosis line (faced to: outside)
Ground
2 U6812B
4760A–AUTO–10/03
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