MLX90132 Datasheet, PDF (3/44 Pages) Melexis Microelectronic Systems – 13.56MHz RFID / NFC Transceiver

MLX90132
13.56MHz RFID / NFC Transceiver
1 Pin and signal descriptions
The device is packaged in a 32 pin lead free QFN package.
GND_DIG 1
XIN
XOUT
GND_TX
VDD_TX
TX1
TX2
NC
9
Exposed Pad
(EXP)
VDD
UARTRX/IRQIN
VDC
RX1
RX2
GND_RX
NC
17 NC
Pin
Symbol
Pin Type
Description
1
2
3
4
5
6
7
19
20
21
22
23
24
25
26
27
28
29
30
31
8-18, 32
EXP
GND_dig
XIN
XOUT
GND_TX
VDD_TX
TX1
TX2
GND_RX
RX2
RX1
VDC
UART_RX / IRQ_in
VDD
UART_TX / IRQ_out
NSS
MISO
MOSI
SCK
SSI_0
SSI_1
NC
Supply
Analog
Analog
Supply
Supply
Analog
Analog
Supply
Analog
Analog
Analog
Digital I
Supply
Digital O
Digital I
Digital O
Digital I
Digital I
Digital I
Digital I
Exposed Pad
Ground (Digital)
Xtal oscillator input
Xtal oscillator output
Ground (Drivers)
Drivers Power Supply
Driver output_1
Driver output_2
Ground (analog)
Receiver input_2
Receiver input_1
Melexis Reserved
UART Receive pin/Interrupt input
Main Power Supply
UART Transmit pin/Interrupt output
SPI Slave Select
SPI data output
SPI data input
SPI clock
Select serial communication interface
Must be set to GND
Not connected
Must be set to GND
Table 1: Pin definitions and descriptions
3901090132
Rev. 009
Page 3 of 44
Jan-2014