TJA1055
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© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 5 — 6 December 2013
4 of 26
NXP Semiconductors
TJA1055
Enhanced fault-tolerant CAN transceiver
6. Pinning
information
6.1 Pinning
6.2 Pin description
Fig 2.
Pin configuration
TJA1055T
TJA1055T/3
INH
BAT
TXD
GND
RXD
CANL
CANH
V
CC
EN
RTL
RTH
001aac770
1
2
3
4
5
6
7
8
10
9
12
11
14
13
ERR
WAKE
STB
Table 3.
Pin description
Symbol
Pin
Description
INH
1
inhibit output for switching an external voltage regulator if a
wake-up signal occurs
TXD
2
transmit data input for activating the driver to the bus lines
RXD
3
receive data output for reading out the data from the bus lines
ERR
4
error, wake-up and power-on indication output; active LOW in
normal operating mode when a bus failure is detected; active LOW
in standby and sleep mode when a wake-up is detected; active
LOW in power-on standby when a V
BAT
power-on event is
detected
STB
5
standby digital control signal input; together with the input signal
on pin EN this input determines the state of the transceiver;
see
and
EN
6
enable digital control signal input; together with the input signal on
pin STB this input determines the state of the transceiver;
see
and
WAKE
7
local wake-up signal input (active LOW); both falling and rising
edges are detected
RTH
8
termination resistor connection; in case of a CANH bus wire error
the line is terminated with a predefined impedance
RTL
9
termination resistor connection; in case of a CANL bus wire error
the line is terminated with a predefined impedance
V
CC
10
supply voltage
CANH
11
HIGH-level CAN bus line
CANL
12
LOW-level CAN bus line
GND
13
ground
BAT
14
battery supply voltage