Datasheet

TJA1085 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 23 October 2012 4 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
5. Pinning information
5.1 Pinning
5.2 Pin description
Fig 2. Pin configuration
015aaa150
TJA1085
Transparent top view
1SCSN
2SCLK
3SDI
4SDO
5INTN
6GNDD
7V
IO
8BGE
9TXD
10TXEN
11RXD
BP_133
BM_132
n.c.31
BP_230
BM_229
n.c.28
BP_327
BM_326
n.c.25
BP_424
BM_423
12TRXD0 13TRXD1 14n.c. 15INH 16LWU 17V
BAT
18n.c. 19GND2 20n.c. 21V
BUF2
22V
CC2
RSTN44 RES143 RES242 RES341 RES440 RES539 RES638 GND137 n.c.36 V
BUF1
35
V
CC1
34
Table 2. Pin description
Symbol Pin Type
[1]
Description
SCSN 1 I SPI chip select input; internal pull-up
SCLK 2 I SPI clock signal; internal pull-down
SDI 3 I SPI data input; internal pull-down
SDO 4 O SPI data output; 3-state output
INTN 5 O interrupt output; open-drain output, low-side driver
GNDD 6 G ground for digital circuits
[2]
V
IO
7 P supply voltage for V
IO
voltage level adaptation
BGE 8 I bus guardian enable input; internal pull-down
TXD 9 I transmit data input; internal pull-down
TXEN 10 I transmitter enable input; internal pull-up
RXD 11 O receive data output
TRXD0 12 IO data bus line 0 for inner star connection
TRXD1 13 IO data bus line 1 for inner star connection
n.c. 14 - not connected; to be connected to GND in application
INH 15 O inhibit output; for switching external voltage regulator