Product Specs

20 GPIO — General purpose input/output
Page
124
Bit number
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
Id
f e
d
c
b
a
Z
Y
X W V U
T
S
R
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Reset 0x00000000
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
0
0
0
0
0
0
0
Id
RW Field
Value Id
Value
Description
Input
0
Pin set as input
Output
1
Pin set as output
D
RW
PIN3
Pin 3
Input
0
Pin set as input
Output
1
Pin set as output
E
RW
PIN4
Pin 4
Input
0
Pin set as input
Output
1
Pin set as output
F
RW
PIN5
Pin 5
Input
0
Pin set as input
Output
1
Pin set as output
G
RW
PIN6
Pin 6
Input
0
Pin set as input
Output
1
Pin set as output
H
RW
PIN7
Pin 7
Input
0
Pin set as input
Output
1
Pin set as output
I
RW
PIN8
Pin 8
Input
0
Pin set as input
Output
1
Pin set as output
J
RW
PIN9
Pin 9
Input
0
Pin set as input
Output
1
Pin set as output
K
RW
PIN10
Pin 10
Input
0
Pin set as input
Output
1
Pin set as output
L
RW
PIN11
Pin 11
Input
0
Pin set as input
Output
1
Pin set as output
M
RW
PIN12
Pin 12
Input
0
Pin set as input
Output
1
Pin set as output
N
RW
PIN13
Pin 13
Input
0
Pin set as input
Output
1
Pin set as output
O
RW
PIN14
Pin 14
Input
0
Pin set as input
Output
1
Pin set as output
P
RW
PIN15
Pin 15
Input
0
Pin set as input
Output
1
Pin set as output
Q
RW
PIN16
Pin 16
Input
0
Pin set as input
Output
1
Pin set as output
R
RW
PIN17
Pin 17
Input
0
Pin set as input
Output
1
Pin set as output
S
RW
PIN18
Pin 18
Input
0
Pin set as input
Output
1
Pin set as output
T
RW
PIN19
Pin 19
Input
0
Pin set as input
Output
1
Pin set as output
U
RW
PIN20
Pin 20
Input
0
Pin set as input