NEC V850E/Dx3 Preliminary User's Manual page 676

32-bit single-chip microcontroller
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Chapter 19
CnGMCTRL
676
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EFSD
Bit enabling forced shut down
Forced shut down by GOM bit = 0 disabled.
0
Forced shut down by GOM bit = 0 enabled.
1
Caution
To request forced shut down, the GOM bit must be cleared to 0 immediately
after the EFSD bit has been set to 1. If access to another register (including
reading the CnGMCTRL register) is executed without clearing the GOM bit
immediately after the EFSD bit has been set to 1, the EFSD bit is forcibly
cleared to 0, and the forced shut down request is invalid.
GOM
Global operation mode bit
CAN module is disabled from operating.
0
CAN module is enabled to operate.
1
Caution
The GOM bit is cleared only in the initialization mode.
(b) Write
15
14
0
0
7
6
0
0
Set EFSD
EFSD bit setting
No change in EFSD bit.
0
EFSD bit set to 1.
1
Set GOM
0
1
Other than above
Preliminary User's Manual U17566EE1V2UM00
13
12
11
0
0
0
5
4
3
0
0
0
Clear GOM
GOM bit setting
GOM bit cleared to 0.
1
GOM bit set to 1.
0
No change in GOM bit.
CAN Controller (CAN)
10
9
8
Set
Set
0
EFSD
GOM
2
1
0
Clear
0
0
GOM

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