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 31 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
6.10.2.5 Branch X status registers
There is a dedicated read-only status register for each branch, i.e. there are four Branch X
status registers in total. Each register contains relevant status information of a branch.
Table 11. Branch X status register
Bit Symbol Description
11-9 STATE_BRx state of active branch:
000: Branch_Normal mode
001: Branch_Disabled mode
010: Branch_LowPower mode
011: Branch_TxOnly_2 mode
100: Branch_FailSilent mode
101: Branch_TxOnly_1 mode
8 WU_BRx wake-up status
0: no wake-up detected
1: wake-up detected
7 reserved always 0
6 TxE_BRx transmit error on branch
0: not detected
1: detected
5 reserved always 0
4 CLAMP_BRx clamp detection on branch
0: not detected
1: detected
3 reserved always 0
2 reserved always 1
1 reserved always 0
0 PARITY parity bit - odd parity (including parity bit)