參數(shù)資料
型號(hào): P87C591
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): 49/161頁
文件大?。?/td> 588K
代理商: P87C591
1999 Aug 19
49
Philips Semiconductors
Objective Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
12.5.17.1 Acceptance Filter Mode Register
The current operating mode is defined within the Acceptance Filter Mode Register located at CAN Address 29. A write
access to this register is possible only within Reset Mode (Mode Register).
Note, that some bits are implemented only in case of the corresponding acceptance filter bank is implemented.
Not implemented bits are read as “0”.
Table 31
Acceptance Filter Mode Register (ACF Mode) (CAN address 29)
7
6
5
4
3
2
1
0
MFORMATB4
AMODEB4
MFORMATB3
AMODEB3
MFORMATB2
AMODEB2
MFORMATB1
AMODEB1
Table 32
Acceptance Filter Mode Register (ACF Mode) 1 bits
BIT
SYMBOL
NAME
VALUE
FUNCTION
ACFMOD.7
MFORMATB4 Acceptance Filter
Format Bank 4
1 (EFF)
Acceptance Filter Bank 4 is used for Extended Frame
Messages only, Standard Frame Messages are ignored
Acceptance Filter Bank 4 is used for Standard Frame
Messages only, Extended Frame Messages are ignored
The Single Acceptance Filter option is enabled for filter
bank 4, -> one long filter is active
The Dual Acceptance Filter option is enabled for filter
bank 4, -> two short filters are active
Acceptance Filter Bank 3 is used for Extended Frame
Messages only, Standard Frame Messages are ignored
Acceptance Filter Bank 3 is used for Standard Frame
Messages only, Extended Frame Messages are ignored
The Single Acceptance Filter option is enabled for filter
bank 3, -> one long filter is active
The Dual Acceptance Filter option is enabled for filter
bank 3, -> two short filters are active
Acceptance Filter Bank 2 is used for Extended Frame
Messages only, Standard Frame Messages are ignored.
Acceptance Filter Bank 2 is used for Standard Frame
Messages only, Extended Frame Messages are
ignored.
The Single Acceptance Filter option is enabled for filter
bank 2, -> one long filter is active
The Dual Acceptance Filter option is enabled for filter
bank 2, -> two short filters are active
Acceptance Filter Bank 1 is used for Extended Frame
Messages only, Standard Frame Messages are ignored
Acceptance Filter Bank 1 is used for Standard Frame
Messages only, Extended Frame Messages are ignored
The Single Acceptance Filter option is enabled for filter
bank 1, -> one long filter is active
The Dual Acceptance Filter option is enabled for filter
bank 1, -> two short filters are active
0 (SFF)
ACFMOD.6
AMODEB4
Acceptance Filter
Mode Bank 4
1 (single)
0 (dual)
ACFMOD.5
MFORMATB3 Acceptance Filter
Format Bank 3
1 (EFF)
0 (SFF)
ACFMOD..4
AMODEB3
Acceptance Filter
Mode Bank 3
1 (single)
0 (dual)
ACFMOD.3
MFORMATB2 Acceptance Filter
Format Bank 2
1 (EFF)
0 (SFF)
ACFMOD.2
AMODEB2
Acceptance Filter
Mode Bank 2
1 (single)
0 (dual)
ACFMOD.1
MFORMATB1 Acceptance Filter
Format Bank 1
1 (EFF)
0 (SFF)
ACFMOD.0
AMODEB1
Acceptance Filter
Mode Bank 1
1 (single)
0 (dual)
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