Product Specs

Table Of Contents
20 GPIO General purpose input/output
Page
122
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
B R PIN1
Pin 1
Low
0
Pin input is low
High
1
Pin input is high
C
R
PIN2
Low
0
Pin 2
Pin input is low
High
1
Pin input is high
D
R
PIN3
Pin 3
Low
0
Pin input is low
High
1
Pin input is high
E
R
PIN4
Pin 4
Low
0
Pin input is low
High
1
Pin input is high
F
R
PIN5
Pin 5
Low
0
Pin input is low
High
1
Pin input is high
G
R
PIN6
Pin 6
Low
0
Pin input is low
High
1
Pin input is high
H
R
PIN7
Pin 7
Low
0
Pin input is low
High
1
Pin input is high
I
R
PIN8
Pin 8
Low
0
Pin input is low
High
1
Pin input is high
J
R
PIN9
Pin 9
Low
0
Pin input is low
High
1
Pin input is high
K
R
PIN10
Pin 10
Low
0
Pin input is low
High
1
Pin input is high
L
R
PIN11
Pin 11
Low
0
Pin input is low
High
1
Pin input is high
M
R
PIN12
Pin 12
Low
0
Pin input is low
High
1
Pin input is high
N
R
PIN13
Pin 13
Low
0
Pin input is low
High
1
Pin input is high
O
R
PIN14
Pin 14
Low
0
Pin input is low
High
1
Pin input is high
P
R
PIN15
Pin 15
Low
0
Pin input is low
High
1
Pin input is high
Q
R
PIN16
Pin 16
Low
0
Pin input is low
High
1
Pin input is high
R
R
PIN17
Pin 17
Low
0
Pin input is low
High
1
Pin input is high
S
R
PIN18
Pin 18
Low
0
Pin input is low
High
1
Pin input is high
T
R
PIN19
Pin 19