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STR720 Datasheet(PDF) 236 Page - STMicroelectronics

No. de pieza STR720
Descripción Electrónicos  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 Datasheet(HTML) 236 Page - STMicroelectronics

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STR720 - CONTROLLER AREA NETWORK (CAN)
236/401
Message Valid Registers 1 & 2 (CAN_MVnR)
Address Offset: 160h (CAN_MV1R), 164h (CAN_MV2R)
Reset Value: 0000 0000h
These registers hold the MsgVal bits of the 32 Message Objects. By reading the MsgVal bits,
the application software can check which Message Object is valid. The MsgVal bit of a specific
Message Object can be set/reset by the application software via the IFn Message Interface
Registers.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
MsgVal[32:17]
r
15
14
13
12
11
10
9
8765
432
10
MsgVal[16:1]
r
Bits 31:16
MsgVal32-17 Message Valid Bits (of all Message Objects)
0: This Message Object is ignored by the Message Handler.
1: This Message Object is configured and should be considered by the
Message Handler.
Bits 15:0
MsgVal16-1 Message Valid Bits (of all Message Objects)
0: This Message Object is ignored by the Message Handler.
1: This Message Object is configured and should be considered by the
Message Handler.
1



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