參數(shù)資料
型號: MC68HC05X4CDW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Microcontroller Unit
中文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 87/156頁
文件大?。?/td> 926K
代理商: MC68HC05X4CDW
Motorola CAN
Interface to the MC68HC05X4 CPU
MC68HC05X4 Rev 1.0
MOTOROLA
Motorola CAN
87
19-mcan
MCAN
acceptance mask
register (CACM)
The acceptance mask register specifies which of the corresponding bits
in the acceptance code register are relevant for acceptance filtering.
NOTE:
This register can be accessed only when the RR bit in CCNTRL is set.
AM0 – AM7 — Acceptance mask bits
When a particular bit in this register is clear this indicates that the
corresponding bit in the acceptance code register must be the same
as its identifier bit, before a match will be detected. The message will
be accepted if all such bits match. When a bit is set, it indicates that
the state of the corresponding bit in the acceptance code register will
not affect whether or not the message is accepted.
1 = Ignore corresponding acceptance code register bit.
0 = Match corresponding acceptance code register and identifier
bits.
Address:
$0025
Bit 7
6
5
4
3
2
1
Bit 0
AM7
AM6
AM5
AM4
AM3
AM2
AM1
AM0
Reset:
Undefined
Figure 9. MCAN Acceptance Mask (CACM)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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