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Chapter 13
FCAN Interface Function
Preliminary User’s Manual U14913EE1V0UM00
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CAN global interrupt pending register (CGINTP)
The CGINTP register indicates the global interrupt pending signals. The interrupt pending flags can
be cleared by writing to the register according to the special bit-clear method. (Refer to chapter
13.3.1)
This register can be read in 8-bit and 16-bit units. It can be written in 16-bit units only.
Figure 13-22: CAN Global Interrupt Pending Register (CGINTP) (1/2)
Note: The register address is calculated according to the following formula:
effective address = P address offset
Read
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Address
Offset
Note
Initial
value
CGINTP
0
0
0
0
0
0
0
0
GINT7
0
0
0
GINT3 GINT2 GINT1
0
802H
0000H
Write
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CGINTP
0
0
0
0
0
0
0
0
CL_
GINT7
0
0
0
CL_
GINT3
CL_
GINT2
CL_
GINT1
0
802H
Read
Bit Position
Bit Name
Function
7
GINT7
Indicates an interrupt of the CAN bridge ELISA (GINT7 bit of CGINTP register).
0: No Interrupt pending
1: Interrupt pending
3
GINT3
Indicates a wake-up interrupt from CAN sleep mode while clock supply to the FCAN
system was stopped (ref. to CSTOP register).
0: No Interrupt pending
1: Interrupt pending
2
GINT2
Indicates an illegal address access interrupt.
0: No Interrupt pending
1: Interrupt pending
Remarks:
1. Interrupt signals an illegal address access (refer to Figure 13-2).
2. Interrupt signals a write access to temporary buffer while GOM bit of
the CGST register is set (1).
1
GINT1
Indicates an invalid write access interrupt.
0: No Interrupt pending
1: Interrupt pending
Remarks:
1. Interrupt signals a write access to a CAN module register while GOM
bit of the CGST register is cleared (0).
2. Interrupt signals an illegal FCAN system shut down, i.e. GOM bit is
going to be cleared while at least one of the CAN modules is not in ini-
tialisation state.
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