Product Specs

Table Of Contents
20 GPIO General purpose input/output
Page
120
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
Clear
1
Write: writing a '1' sets the pin low; writing a '0' has no effect
I
RW
PIN8
Low
0
Pin 8
Read: pin driver is low
High
1
Read: pin driver is high
Clear
1
Write: writing a '1' sets the pin low; writing a '0' has no effect
J
RW
PIN9
Low
0
Pin 9
Read: pin driver is low
High
1
Read: pin driver is high
Clear
1
Write: writing a '1' sets the pin low; writing a '0' has no effect
K
RW
PIN10
Low
High
Clear
0
1
1
Pin 10
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
L
RW
PIN11
Low
High
Clear
0
1
1
Pin 11
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
M
RW
PIN12
Low
High
Clear
0
1
1
Pin 12
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
N
RW
PIN13
Low
High
Clear
0
1
1
Pin 13
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
O
RW
PIN14
Low
High
Clear
0
1
1
Pin 14
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
P
RW
PIN15
Low
High
Clear
0
1
1
Pin 15
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
Q
RW
PIN16
Low
High
Clear
0
1
1
Pin 16
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
R
RW
PIN17
Low
High
Clear
0
1
1
Pin 17
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
S
RW
PIN18
Low
High
Clear
0
1
1
Pin 18
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
T
RW
PIN19
Low
High
Clear
0
1
1
Pin 19
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
U
RW
PIN20
Low
High
Clear
0
1
1
Pin 20
Read: pin driver is low
Read: pin driver is high
Write: writing a '1' sets the pin low; writing a '0' has no effect
V
RW
PIN21
Low
0
Pin 21
Read: pin driver is low