TH3122 Datasheet, PDF (11/14 Pages) Melexis Microelectronic Systems – K-Bus Transceiver with integrated Voltage Regulator

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