參數(shù)資料
型號(hào): TMS320LF2407PGS
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁(yè)數(shù): 43/115頁(yè)
文件大?。?/td> 1511K
代理商: TMS320LF2407PGS
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SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
43
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
CAN memory map
Table 8 shows the mailbox locations in the CAN module.
Table 8. Mailbox Addresses
ADDRESS
OFFSET [5:0]
NAME
DESCRIPTION
UPPER HALF-WORD ADDRESS BIT 0 = 1
DESCRIPTION
LOWER HALF-WORD ADDRESS BIT 0 = 0
00h
MSGID0
Message ID for mailbox 0
Message ID for mailbox 0
02h
MSGCTRL0
Unused
RTR and DLC (bits 4 to 0)
04h
Datalow0
Databyte 0, Databyte 1 (DBO = 1)
Databyte 2, Databyte 3 (DBO = 1)
Databyte 3, Databyte 2 (DBO = 0)
Databyte 1, Databyte 0 (DBO = 0)
06h
Datahigh0
Databyte 4, Databyte 5 (DBO = 1)
Databyte 6, Databyte 7 (DBO = 1)
Databyte 7, Databyte 6 (DBO = 0)
Databyte 5, Databyte 4 (DBO = 0)
08h
MSGID1
Message ID for mailbox 1
Message ID for mailbox 1
0Ah
MSGCTRL1
Unused
RTR and DLC (bits 4 to 0)
0Ch
Datalow1
Databyte 0, Databyte 1 (DBO = 1)
Databyte 2, Databyte 3 (DBO = 1)
Databyte 3, Databyte 2 (DBO = 0)
Databyte 1, Databyte 0 (DBO = 0)
0Eh
Datahigh1
Databyte 4, Databyte 5 (DBO = 1)
Databyte 6, Databyte 7 (DBO = 1)
...
...
...
...
28h
MSGID5
Message ID for mailbox 5
Message ID for mailbox 5
2Ah
MSGCTRL5
Unused
RTR and DLC (bits 4 to 0)
2Ch
Datalow5
Databyte 0, Databyte 1 (DBO = 1)
Databyte 2, Databyte 3 (DBO = 1)
Databyte 3, Databyte 2 (DBO = 0)
Databyte 3, Databyte 2 (DBO = 0)
2Eh
Datahigh5
Databyte 4, Databyte 5 (DBO = 1)
Databyte 7, Databyte 6 (DBO = 0)
Databyte 6, Databyte 7 (DBO = 1)
Databyte 5, Databyte 4 (DBO = 0)
The DBO (data byte order) bit is located in the MCR register and is used to define the order in which the data bytes are stored in the mailbox
when received and the order in which the data bytes are transmitted. Byte 0 is the first byte in the message and Byte 7 is the last one shown
in the CAN message.
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