PXR40RM Datasheet, PDF (636/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

FlexRay Communication Controller (FLEXRAY)
22.5.2.46 Slot Status Registers (SSR0–SSR7)
Base + 0x0068 (SSR0)
Base + 0x006A (SSR1)
Base + 0x006C (SSR2)
Base + 0x006E (SSR3)
Base + 0x0070 (SSR4)
Base + 0x0072 (SSR5)
Base + 0x0074 (SSR6)
Base + 0x0076 (SSR7)
0
R VFB
W
Reset 0
1
SYB
0
2
NFB
0
3
SUB
0
4
SEB
0
5
CEB
0
6
BVB
0
7
TCB
0
8
VFA
0
9
SYA
0
10
NFA
0
11
SUA
0
12
SEA
0
13
CEA
0
14
BVA
0
15
TCA
0
Figure 22-46. Slot Status Registers (SSR0–SSR7)
Each of these eight registers holds the status vector of the slot specified in the corresponding internal slot
status selection register, which can be programmed using the Slot Status Selection Register (SSSR). Each
register is updated after the end of the corresponding slot as shown in Figure 22-148. The register bits are
directly related to the protocol variables and described in more detail in Section 22.6.18, Slot Status
Monitoring.
Table 22-55. SSR0–SSR7 Field Descriptions
Field
VFB
SYB
NFB
SUB
SEB
CEB
BVB
TCB
Description
Valid Frame on Channel B — protocol related variable: vSS!ValidFrame channel B
0 vSS!ValidFrame = 0
1 vSS!ValidFrame = 1
Sync Frame Indicator Channel B — protocol related variable: vRF!Header!SyFIndicator channel B
0 vRF!Header!SyFIndicator = 0
1 vRF!Header!SyFIndicator = 1
Null Frame Indicator Channel B — protocol related variable: vRF!Header!NFIndicator channel B
0 vRF!Header!NFIndicator = 0
1 vRF!Header!NFIndicator = 1
Startup Frame Indicator Channel B — protocol related variable: vRF!Header!SuFIndicator channel B
0 vRF!Header!SuFIndicator = 0
1 vRF!Header!SuFIndicator = 1
Syntax Error on Channel B — protocol related variable: vSS!SyntaxError channel B
0 vSS!SyntaxError = 0
1 vSS!SyntaxError = 1
Content Error on Channel B — protocol related variable: vSS!ContentError channel B
0 vSS!ContentError = 0
1 vSS!ContentError = 1
Boundary Violation on Channel B — protocol related variable: vSS!BViolation channel B
0 vSS!BViolation = 0
1 vSS!BViolation = 1
Transmission Conflict on Channel B — protocol related variable: vSS!TxConflict channel B
0 vSS!TxConflict = 0
1 vSS!TxConflict = 1
22-52
PXR40 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor