Installation Of Mini Reader Mifare ® Nfc; Mechanical Outline; Pinning - Elatec TWN3 Mini Reader Mifare NFC Technical Manual

2. Installation of Mini Reader Mifare
This chapter covers the installation of Mini Reader Mifare

2.1 Mechanical Outline

All dimensions are in mm.

2.2 Pinning

Pin Name Description
1 RESET ¯¯¯¯¯ Asynchronous reset
2 PWRDWN ¯¯¯¯¯¯¯ Hard power down
3 GND Ground
3.3V – 5V
4 VCC
5 RXD/MOSI UART/SPI receiver input
6 TXD/MISO UART/SPI transmitter
output
7 SCK SPI serial clock
8 SS ¯¯ SPI slave select
I: Input
O: Output
IO: Input / Output
S: Supply
PU: Integrated Pull-up resistor
Elatec GmbH
Component side shown, Pin spacing: 2.54mm
Pin
char.
I / PU
I / PU
S
S
I / PU
O
I
I / PU
®
NFC in an embedded environment.
Pin Name Description
9 VSAM 3.0V regulated supply for
SAM
10 SAM_IO Bidirectional SAM I/O line
11 GPIO3 General purpose
input/output 3
12 GPIO2 General purpose
input/output 2
13 GPIO1 General purpose
input/output 1
14 GPIO0 General purpose
input/output 0
15 SAM_CLK SAM clock
16 SAM_RST SAM reset
®
NFC
Pin
char.
S
IO / PU
IO
IO
IO
IO
O
O
Page 6 of 61