Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 289 of 547
NXP Semiconductors
UM10398
Chapter 16: LPC111x/LPC11Cxx C_CAN controller
16.6.1.3 CAN error counter
5 EPASS Error passive 0 RO
0 Active. The CAN controller is in the error active state.
1 Passive. The CAN controller is in the error passive state as defined in
the CAN 2.0 specification.
6 EWARN Warning status 0 RO
0 Below limit. Both error counters are below the error warning limit of 96.
1 At limit. At least one of the error counters in the EC has reached the
error warning limit of 96.
7 BOFF Busoff status 0 RO
0 The CAN module is not in busoff.
1 The CAN controller is in busoff state.
31:8 - - reserved
Table 247. CAN status register (CANSTAT, address 0x4005 0004) bit description
…continued
Bit Symbol Value Description Reset
value
Access
Table 248. CAN error counter (CANEC, address 0x4005 0008) bit description
Bit Symbol Value Description Reset
value
Access
7:0 TEC7_0 Transmit error counter
Current value of the transmit error counter
(maximum value 255)
0RO
14:8 REC6_0 Receive error counter
Current value of the receive error counter
(maximum value 127).
-RO
15 RP Receive error passive - RO
0 Below error level. The receive counter is below
the error passive level.
1 At error level. The receive counter has reached
the error passive level as defined in the CAN2.0
specification.
31:16 - - Reserved - -