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STR720 Datasheet(PDF) 235 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) 235 Page - STMicroelectronics

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STR720 - CONTROLLER AREA NETWORK (CAN)
235/401
Interrupt Pending Registers 1 & 2 (CAN_IPnR)
Address Offset: 140h (CAN_IP1R), 144h (CAN_IP2R)
Reset Value: 0000 0000h
These registers contain the IntPnd bits of the 32 Message Objects. By reading the IntPnd
bits, the CPU can check for which Message Object an interrupt is pending. The IntPnd bit of a
specific Message Object can be set/reset by the application software through the IFn
Message Interface Registers or by the Message Handler after reception or after a successful
transmission of a frame. This will also affect the value of IntId in the Interrupt Register.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
IntPnd[32:17]
r
15
14
13
12
11
10
9
8765
4321
0
IntPnd[16:1]
r
Bits 31:16
IntPnd32-17 Interrupt Pending Bits (of all Message Objects)
0: This message object is not the source of an interrupt.
1: This message object is the source of an interrupt.
Bits 15:0
IntPnd16-1 Interrupt Pending Bits (of all Message Objects)
0: This message object is not the source of an interrupt.
1: This message object is the source of an interrupt.
1



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