參數(shù)資料
型號: P83C591
廠商: NXP Semiconductors N.V.
英文描述: Single-chip 8-bit microcontroller with CAN controller
中文描述: 單芯片8 - CAN控制器位微控制器
文件頁數(shù): 57/161頁
文件大小: 588K
代理商: P83C591
1999 Aug 19
57
Philips Semiconductors
Objective Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
12.5.18.2 Descriptor Field of the Transmit Buffer
This configuration is chosen to be compatible with the Receive Buffer Layout (see Section 12.5.19.1).
The values marked with “( )” in the Transmit Buffer should be set to the values expected in the Receive Buffer for an easy
comparison, only when using the Self Reception facility, otherwise they are don’t care.
Table 37
Frame Format (FF) and Remote Transmission Request (RTR) bits
BIT
VALUE
FUNCTION
FF
1 (EFF)
0 (SFF)
1 (remote)
0 (data)
Extended Frame Format will be transmitted by the CAN Controller
Standard Frame Format will be transmitted by the CAN Controller
Remote Frame will be transmitted by the CAN Controller
Data Frame will be transmitted by the CAN Controller
RTR
Fig.20 Bit Layout Transmit Buffer.
7
FF
6
RTR
5
(0)
4
(0)
3
DLC.3
2
DLC.2
1
DLC.1
0
DLC.0
6
RTR
5
(0)
4
(0)
3
DLC.3
2
DLC.2
1
DLC.1
0
DLC.0
Addr. 112
TX Frame Information
Addr. 112
TX Frame Information
Standard Frame Format (SFF)
Extended Frame Format (EFF)
7
ID.28
6
ID.27
5
ID.26
4
ID.25
3
ID.24
2
ID.23
1
ID.22
0
ID.21
Addr 113
TX Identifier 1
7
ID.20
6
ID.19
5
ID.18
4
(RTR)
3
(0)
2
(0)
1
(0)
0
(0)
Addr. 114
TX Identifier 2
7
ID.28
6
ID.27
5
ID.26
4
ID.25
3
ID.24
2
ID.23
1
ID.22
0
ID.21
Addr. 113
TX Identifier 1
7
ID.20
6
ID.19
5
ID.18
4
ID.17
3
ID.16
2
ID.15
1
ID.14
0
ID.13
Addr. 114
TX Identifier 2
7
ID.12
6
ID.11
5
ID.10
4
ID.9
3
ID.8
2
ID.7
1
ID.6
0
ID.5
Addr. 115
TX Identifier 3
7
ID.4
6
ID.3
5
ID.2
4
ID.1
3
ID.0
2
(RTR)
1
(0)
0
(0)
Addr. 116
TX Identifier 4
Meaning of the Transmit Buffer Bits:
ID.x
FF
RTR
DLC.x
X
0
Identifier bit x
Frame Format
Remote Transmission Request
Data Length Code bit x
don’t care
don’t care, but recommended to be
compatible to Receive Buffer
7
FF
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