User's Manual

9
2.2. Pin Assignment
Pin No.
Name
Pin function
Description
(1)
GND
Ground
The pad must be connected to a solid ground plane
(2)
P0.25
Digital I/O
General-purpose digital I/O
(3)
P0.26
Digital I/O
General-purpose digital I/O
(4)
P0.27
Digital I/O
General-purpose digital I/O
(5)
P0.28
Digital I/O
General-purpose digital I/O
AIN4
Analog input
SAADC/COMP/LPCOMP input
(6)
P0.29
Digital I/O
General-purpose digital I/O
AIN5
Analog input
SAADC/COMP/LPCOMP input
(7)
P0.30
Digital I/O
General-purpose digital I/O
AIN6
Analog input
SAADC/COMP/LPCOMP input
(8)
P0.31
Digital I/O
General-purpose digital I/O
AIN7
Analog input
SAADC/COMP/LPCOMP input
(9)
DEC4
Power
1V3 regulator supply decoupling. Input from DC/DC converter.
Output from 1V3 LDO .
(10)
DCC
Power
DC/DC converter output pin
(11)
VDD
Power
Power-supply pin
(12)
GND
Ground
The pad must be connected to a solid ground plane
(13)
P0.00
Digital I/O
General-purpose digital I/O
XL1
Analog input
Connection to 32.768khz crystal (LFXO)
(14)
P0.01
Digital I/O
General-purpose digital I/O
XL2
Analog input
Connection to 32.768khz crystal (LFXO)
(15)
P0.02
Digital I/O
General-purpose digital I/O
AIN0
Analog input
SAADC/COMP/LPCOMP input
(16)
P0.03
Digital I/O
General-purpose digital I/O
AIN1
Analog input
SAADC/COMP/LPCOMP input
(17)
P0.04
Digital I/O
General-purpose digital I/O
AIN2
Analog input
SAADC/COMP/LPCOMP input
(18)
P0.05
Digital I/O
General-purpose digital I/O
AIN3
Analog input
SAADC/COMP/LPCOMP input
(19)
P0.06
Digital I/O
General-purpose digital I/O
(20)
P0.07
Digital I/O
General-purpose digital I/O
(21)
P0.08
Digital I/O
General-purpose digital I/O