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ML51/ML54/ML56
Sep. 01, 2020
Page
312
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Rev 2.00
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TECHNI
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ML51/M
L54
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L56
Series
Tec
hnical Reference
Manual
AUXR0
– Auxiliary Register 0
Register
SFR Address
Reset Value
AUXR0
A2H, Page 0
POR: 0000 0000b,
Software reset: 1U00 0000b,
nRESET pin: U100 0000b,
Hard fault: UU10 0000b
Others: UUU0 0000b
7
6
5
4
3
2
1
0
SWRF
RSTPINF
HardF
HardFInt
GF2
-
0
DPS
R/W
R/W
R/W
R/W
R/W
-
R
R/W
Bit
Name
Description
[6]
RSTPINF
External Reset Flag
When the MCU is reset by the external reset, this bit will be set via hardware. It is
recommended that the flag be cleared via software.
[5]
HardF
Hard Fault Reset Flag
Once CPU fetches instruction address over Flash size while EHFI (EIE1.4)=0, MCU will reset
and this bit will be set via hardware. It is recommended that the flag be cleared via software.
Note:
If MCU run in OCD debug mode and OCDEN = 0, Hard fault reset will disable. Only
HardF flag be asserted.