Table 22-39. Standard Frame Format, Single Filter: Receive Buffer And Filter; Table 22-40. Standard Frame Format, Dual Filters: Receive Buffer And Filters; Table 22-41. Extended Frame Format, Single Filter: Receive Buffer And Filter; Table 22-42. Extended Frame Format, Dual Filters: Receive Buffer - Sharp Blue Treak LH75400 User Manual

LH75400/01/10/11 (Preliminary) User's Guide
The way in which the bit patterns defined by ACR0 through ACR3 are applied further
depend on whether the incoming message is in Standard Frame Format (SFF) or
Extended Frame Format (EFF) as shown in Table 22-39, Table 22-40, Table 22-41, and
Table 22-42.

Table 22-39. Standard Frame Format, Single Filter: Receive Buffer and Filter

0x44
ID.28 ... ID.21
ACR0[7:0]
AMR0[7:0]
NOTE: If data bytes do not have to be matched, AMR2 and AMR3 should be set to FFh.

Table 22-40. Standard Frame Format, Dual Filters: Receive Buffer and Filters

0x44
ID.28 ... ID.21 ID.20 ... ID18 RTR
ACR0[7:0]
AMR0[7:0]
ACR2[7:0]
AMR2[7:0]

Table 22-41. Extended Frame Format, Single Filter: Receive Buffer and Filter

0x44
ID.28 ... ID.21
ACR0[7:0]
AMR0[7:0]
0x44
ID.28 ... ID.21
ACR0[7:0]
AMR0[7:0]
ACR2[7:0]
AMR2[7:0]
ID.20 ... ID18
ACR1[7:4]
AMR1[7:4]
0x48
ACR1[7:4]
AMR1[7:4]
ACR3[7:4]
AMR3[7:4]
0x48
ID.20 ... ID.13
ACR1[7:0]
AMR1[7:0]

Table 22-42. Extended Frame Format, Dual Filters: Receive Buffer

0x48
ID.12 ... ID.5
ID.20 ... ID.13
(not matched)
ACR1[7:0]
AMR1[7:0]
ACR3[7:0]
AMR3[7:0]
DATA (WITH OFFSET)
0x48
RTR x x x x (not matched)
SINGLE FILTER
(ACR1[3:0] unused)
(AMR1[3:0] unused)
DATA (WITH OFFSET)
x x x x
Data Byte 1 [7:4] Data Byte 1 [3:0]
(not matched)
DUAL FILTERS: FILTER 1
ACR1[3:0]
AMR1[3:0]
DUAL FILTERS: FILTER 2
DATA (WITH OFFSET)
0x4C
ID.12 ... ID.5 ID.4 ... ID0
SINGLE FILTER
ACR2[7:0] ACR3[7:2]
AMR2[7:0] AMR3[7:2]
DATA (WITH OFFSET)
0x4C
ID.4 ... ID0
(not matched)
DUAL FILTERS: FILTER 1
DUAL FILTERS: FILTER 2
6/17/03
Controller Area Network
0x4C
Data Byte 1 Data Byte 2
ACR2[7:0]
AMR2[7:0]
0x4C
(not matched)
ACR3[3:0]
AMR3[3:0]
0x50
RTR x x (not matched)
(ACR3[1:0] unused)
(AMR3[1:0] unused)
0x50
RTR (not matched) x x (not matched)
0x50
ACR3[7:0]
AMR3[7:0]
0x50
Data Byte 2
22-33