Philips Semiconductors
Product specification
LIN transceiver
TJA1020
BLOCK DIAGRAM
handbook, full pagewidth
7
BAT
WAKE-UP
TIMER
3
NWAKE
CONTROL
8
INH
SLEEP/
NORMAL
TIMER
TEMPERATURE
PROTECTION
2
NSLP
6
LIN
TXD
4
TXD
TIME-OUT
TIMER
TJA1020T
BUS
TIMER
1
RXD
RXD/
INT
5
FILTER
GND
MGU241
Fig.1 Block diagram.
PINNING
SYMBOL PIN
DESCRIPTION
RXD
1
receive data output (open-drain);
active LOW after a wake-up event
NSLP
2
sleep control input (active LOW);
controls inhibit output; resets
wake-up source flag on TXD and
wake-up request on RXD
handbook, halfpage
RXD
NSLP
1
2
3
4
8
INH
BAT
LIN
7
6
5
TJA1020T
NWAKE
TXD
NWAKE
TXD
3
4
local wake-up input (active LOW);
negative edge triggered
GND
transmit data input; active LOW
output after a local wake-up event
MGU242
GND
LIN
5
6
7
8
ground
LIN bus line input/output
battery supply
BAT
INH
battery related inhibit output for con-
trolling an external voltage regulator;
active HIGH after a wake-up event
Fig.2 Pinning diagram.
2002 Jul 17
3
NXP [ NXP ]
