PXN20RM Datasheet, PDF (646/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

FlexRay Communication Controller (FlexRAY)
one error indicator bit is set to 1. The counter wraps around after it has reached the maximum value. For
more information on slot status monitoring see Section 26.6.18, Slot Status Monitoring.
Table 26-24. CBSERCR Field Descriptions
Field
Description
STATUS_ERR_CNT Channel Status Error Counter — This field provides the current channel status error count. The counter
value is updated within the first macrotick of the following slot or segment.
26.5.2.19 Protocol Status Register 0 (PSR0)
Base + 0x0028
0
1
2
3
4
R ERRMODE SLOTMODE 0
W
Reset 0
0
0
0
0
5
6
7
PROTSTATE
0
0
0
8
9
10
11
STARTUPSTATE
0
0
0
0
Figure 26-19. Protocol Status Register 0 (PSR0)
12
13
14
15
0 WAKEUPSTATUS
0
0
0
0
This register provides information about the current protocol status.
Table 26-25. PSR0 Field Descriptions
Field
Description
ERRMODE
Error Mode — protocol related variable: vPOC!ErrorMode. This field indicates the error mode of the protocol.
00 ACTIVE
01 PASSIVE
10 COMM_HALT
11 reserved
SLOTMODE Slot Mode — protocol related variable: vPOC!SlotMode. This field indicates the slot mode of the protocol.
00 SINGLE
01 ALL_PENDING
10 ALL
11 reserved
PROTSTATE Protocol State — protocol related variable: vPOC!State. This field indicates the state of the protocol.
000 POC:default config
001 POC:config
010 POC:wakeup
011 POC:ready
100 POC:normal passive
101 POC:normal active
110 POC:halt
111 POC:startup
26-32
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor