Datasheet

2003 Oct 22 3
Philips Semiconductors Product specification
High speed CAN transceiver TJA1050
BLOCK DIAGRAM
handbook, full pagewidth
30 µA
200
µA
MGS374
TXD
DOMINANT
TIME-OUT
TIMER
1
8
3
RECEIVER
4
REFERENCE
VOLTAGE
5
DRIVER
TEMPERATURE
PROTECTION
2
7
6
V
CC
V
CC
V
CC
CANH
CANL
GND
GND
GND
GND
V
ref
RXD
S
TXD
TJA1050
25
kΩ
25
kΩ
0.5V
CC
Fig.1 Block diagram.
PINNING
SYMBOL PIN DESCRIPTION
TXD 1 transmit data input; reads in data
from the CAN controller to the bus
line drivers
GND 2 ground
V
CC
3 supply voltage
RXD 4 receive data output; reads out
data from the bus lines to the
CAN controller
V
ref
5 reference voltage output
CANL 6 LOW-level CAN bus line
CANH 7 HIGH-level CAN bus line
S 8 select input for high-speed mode
or silent mode
handbook, halfpage
1
2
3
4
8
7
6
5
MGS375
TJA1050T
S
CANHGND
CANL
V
ref
RXD
V
CC
TXD
Fig.2 Pin configuration.