TH3122
K-Bus Transceiver with integrated Voltage Regulator
Pin Description
VS
EN
VTR
GND
GND
BUS
SI
SO
1
16
VCC
SENSE
RESET
GND
GND
TxD
RxD
SEN/STA
2
15
3
14
4
13
TH3122
5
12
6
11
7
10
8
9
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
VS
EN
VTR
GND
GND
BUS
SI
SO
SEN/STA
RxD
TxD
GND
GND
RESET
SENSE
VCC
I/O
Supply voltage
I
I
Function
Enable Input voltage regulator, HV-pull-down-Input, High-active
Analogue Input - definition of reset time und Reset voltage level
Ground
Ground
I/O
I
O
I/O
O
I
Bi-directional bus line
Comparator Input, HV-Input
5V-Comparator Output
Send status
Receive Output, 5V-push-pull
5V-Transmit Input, pull-up-Input
Ground
Ground
O
O
O
5V-output reset, active low
5V-output of VS-Monitoring
Regulator output 5V/100mA
3901003122
Rev 004
Page 11
Dec/04
MELEXIS [ Melexis Microelectronic Systems ]
