NXP Semiconductors
QN902x
User Manual of QN902x
UM10996
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2018. All rights reserved.
User Manual
Rev 1.3
— 05 November 2018
15 of 128
R
SVD
R
SVD
PA
D
_P
U
LL
_C
TR
L[62
]
PA
D
_P
U
LL
_C
TR
L[61
]
PA
D
_P
U
LL
_C
TR
L[60
]
PA
D
_P
U
LL
_C
TR
L[59
]
PA
D
_P
U
LL
_C
TR
L[58
]
PA
D
_P
U
LL
_C
TR
L[57
]
PA
D
_P
U
LL
_C
TR
L[56
]
PA
D
_P
U
LL
_C
TR
L[55
]
PA
D
_P
U
LL
_C
TR
L[54
]
PA
D
_P
U
LL
_C
TR
L[53
]
PA
D
_P
U
LL
_C
TR
L[52
]
PA
D
_P
U
LL
_C
TR
L[51
]
PA
D
_P
U
LL
_C
TR
L[50
]
PA
D
_P
U
LL
_C
TR
L[49
]
PA
D
_P
U
LL
_C
TR
L[48
]
PA
D
_P
U
LL
_C
TR
L[47
]
PA
D
_P
U
LL
_C
TR
L[46
]
PA
D
_
PUL
L_C
TR
L[45
]
PA
D
_P
U
LL
_C
TR
L[44
]
PA
D
_P
U
LL
_C
TR
L[43
]
PA
D
_P
U
LL
_C
TR
L[42
]
PA
D
_P
U
LL
_C
TR
L[41
]
PA
D
_P
U
LL
_C
TR
L[40
]
PA
D
_P
U
LL
_C
TR
L[39
]
PA
D
_P
U
LL
_C
TR
L[37
]
PA
D
_P
U
LL
_C
TR
L[36
]
PA
D
_P
U
LL
_C
TR
L[35
]
PA
D
_P
U
LL
_C
TR
L[34
]
PA
D
_P
U
LL
_C
TR
L[33
]
PA
D
_P
U
LL
_C
TR
L[32
]
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
R
R
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Bit
Type
Reset
Symbol
Description
31-30
R
0
RSVD
Reserved
29-0
RW
2AAAAA
AAh
PAD_PULL_CTRL[62-32]
Every two bit control one GPIO PAD Pull Up or
Pull Down;
00b = High-Z;
01b = Pull-down;
10b = Pull-up;
11b = Reserved
Table 13 RCS (RST_CAUSE_SRC)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
ST
_C
A
U
SE_
C
LR
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
SVD
R
ST
_C
A
U
SE[7
]
R
ST
_C
A
U
SE[6
]
R
ST
_C
A
U
SE[5
]
R
ST
_C
A
U
SE[4
]
R
ST
_C
A
U
SE[3
]
R
ST
_C
A
U
SE[2
]
R
ST
_C
A
U
SE[1
]
R
ST
_C
A
U
SE[0
]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
x
x
x
x
x
x
x
x
W1
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Bit
Type
Reset
Symbol
Description
31
W1
0
RST_CAUSE_CLR
Write ‘1’ clear RESET_CAUSE bits;
30-8
R
0
RSVD
Reserved
7-0
R
x
RST_CAUSE[7-0]
xxxxxxx1b = Power-on Reset;
xxxxxx1xb = Brown-Down Reset;
xxxxx1xxb = External pin Reset;
xxxx1xxxb = Watch Dog Reset;
xxx1xxxxb = Lock Up Reset;
xx1xxxxxb = Reboot Reset;
x1000000b = CPU system Reset requirement;
10000000b = CPU software Reset;
Table 14 IOWCR (IO_WAKEUP_CTRL)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0