TJA1050 Datasheet, PDF (3/16 Pages) NXP Semiconductors – High speed CAN transceiver

Philips Semiconductors
High speed CAN transceiver
Preliminary specification
TJA1050
BLOCK DIAGRAM
handbook, full pagewidth
S
TXD
8
VCC
200
µA
1
VCC
60 µA
GND
TXD
DOMINANT
TIME- OUT
TIMER
4
RXD
GND
Vref
5
REFERENCE
VOLTAGE
VCC
3
TEMPERATURE
PROTECTION
DRIVER
RECEIVER
TJA1050
7
CANH
25
kΩ
0.5VCC
25
kΩ
GND
6
CANL
2
GND
MGS374
Fig.1 Block diagram.
PINNING
SYMBOL
TXD
GND
V_CC
RXD
V_ref
CANL
CANH
S
PIN
DESCRIPTION
1 transmit data input; reads in data
from the CAN controller to the bus
line drivers
2 ground
3 supply voltage
4 receive data output; reads out
data from the bus lines to the
CAN controller
5 reference voltage output
6 LOW-level CAN bus line
7 HIGH-level CAN bus line
8 select input for
high speed mode/silent mode
handbook, halfpage
TXD 1
8S
GND 2
VCC 3
TJA1050T
7 CANH
6 CANL
RXD 4
5 Vref
MGS375
Fig.2 Pin configuration.
1999 Sep 27
3