ax5031 AXSEM, ax5031 Datasheet - Page 7

• Manufacturer Part Number: ax5031
• Description: Datasheet Ax5031
• Manufacturer: AXSEM

3.
3.1.
Symbol
VDD
ANTP
ANTN
VDD
NC
NC
SYSCLK
SEL
CLK
MISO
NC
MOSI
NC
IRQ
VDD_IO
NC
VREG
VDD
CLK16P
CLK16N
GND
A =
I
O =
All digital inputs are Schmitt trigger inputs, digital input and output levels are LVCMOS/LVTTL compatible and 5V
tolerant
Version 1.3
=
analog signal
digital input signal
digital output signal
Pin Function Descriptions
.
Pin List
centre
Pin(s)
pad
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Type
I/O
I/O
O
P
A
A
P
N
N
N
N
P
N
P
P
A
A
P
I
I
I
Description
Power supply, must be supplied with regulated voltage VREG
Antenna output
Antenna output
Power supply, must be supplied with regulated voltage VREG
Default functionality: Crystal oscillator (or divided) clock output
Can be programmed to be used as a general purpose I/O pin
Serial peripheral interface select
Serial peripheral interface clock
Serial peripheral interface data output
Serial peripheral interface data input
Default functionality: Interrupt
Can be programmed to be used as a general purpose I/O pin
Unregulated power supply
Regulated output voltage
VDD pins must be connected to this supply voltage
A 1µF low ESR capacitor to GND must be connected to this pin
Power supply, must be supplied with regulated voltage VREG
Crystal oscillator input/output
Crystal oscillator input/output
Ground on centre pad of QFN
I/O
N
P
=
=
=
digital input/output signal
not to be connected
power or ground
Pin Function Descriptions
Datasheet AX5031
7