
NUC502
Apr 30, 2015
Page
15
of 266
Rev 1.1
Symbol
COB
LQFP64 LQFP48
TYPE
Description
GPA[0] /
AI[0] /
MICP
79
62
46
4/8mA I/O
with
Analog input
GPA[0] – General purpose
input/output digital pin
AI[0] – ADC analog input 0
MICP – MIC+
GPA[1] /
AI[1] /
MICN
80
63
47
4/8mA I/O
with
Analog input
GPA[1] – General purpose
input/output digital pin
AI[1] – ADC analog input 1
MICN – MIC-
GPA[2] /
AI[2]
81
64
48
4/8mA I/O
with
Analog input
GPA[2] – General purpose
input/output digital pin
AI[2] – ADC analog input 2
GPA[3] /
AI[3]
2
1
1
4/8mA I/O
with
Analog input
GPA[3] – General purpose
input/output digital pin
AI[3] – ADC analog input 3
GPA[4 ]/
AI[4]
3
2
2
4/8mA I/O
with
Analog input
GPA[4] – General purpose
input/output digital pin
AI[4] – ADC analog input 4
GPA[5] /
AI[5]
4
3
3
4/8mA I/O
with
Analog input
GPA[5]– General purpose
input/output digital pin
AI[5] – ADC analog input 5
GPA[6] /
AI[6]
5
4
4
4/8mA I/O
with
Analog input
GPA[6]– General purpose
input/output digital pin
AI[6] – ADC analog input 6
GPA[7] /
AI[7] /
LVD
6
5
5
4/8mA I/O
with
Analog input
GPA[7] – General purpose
input/output digital pin
AI[7] – ADC analog input 7
LVD – Low voltage detection
GPA[8] /
SPIM0_SCK
42
33
26
4/8mA
I/O
GPA[8] – General purpose
input/output digital pin
SPIM0_SCK - Serial clock
output pin for SPIM0
GPA[9] /
SPIM0_SO
41
32
25
4/8mA
I/O
GPA[9] – General purpose
input/output digital pin
SPIM0_SO - Serial data
input/output pin for SPIM0.
Normal SPI mode, this pin is
used as data out.
Fast SPI read mode, this pin is
the 2
nd
bit for data in.
GPA[10] /
SPIM0_SI
40
31
24
4/8mA
I/O
GPA[10] – General purpose
input/output digital pin
SPIM0_SI - Serial data input
pin for SPIM0.
GPA[11] /
SPIMS_SI
39
30
23
4/8mA
I/O
GPA[11] – General purpose
input/output digital pin
SPIMS_SI - Serial data input
pin for SPIMS.
GPA[12] /
38
29
22
4/8mA
GPA[12] – General purpose