Elatec TWN4 MultiTech 2 HF Manuel utilisateur

TWN4

MultiTech Core

DocRev5, February 5, 2019

Elatec GmbH

Contents

1Introduction............................................... 3

2Dimensions............................................... 4

3Connectors............................................... 5

3.1ConnectorA ........................................... 5

3.2ConnectorB ........................................... 6

3.3ConnectorC ........................................... 7

3.4 Connector HF1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.5 Connector HF2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.6Jumpers.............................................. 9

4 Using PI Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.1 SIO Chip soldered on PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.2 SAM Card Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5PowerSupply.............................................. 11

6 Power states and current consumption breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . 12

7Disclaimer ............................................... 13

Page 2of 13

1 Introduction

Here is a picture of the TWN4 Core Module MIFARE NFC:

There are three models of TWN4 Core Module available:

• TWN4 MultiTech Core (former TWN4 Core Module MIFARE NFC)

• TWN4 MultiTech Core LEGIC 42 (former TWN4 Core Module LEGIC NFC)

• TWN4 MultiTech Core LEGIC 45 (former TWN4 Core Module LEGIC NFC 4500)

TWN4 MultiTech Core contains voltage regulator, control unit, RFID front ends and communication inter-

faces.

Page 3of 13

2 Dimensions

The dimensions of TWN4 Core Module are as follows.:

Page 4of 13

3 Connectors

TWN4 MultiTech Core has several connectors on-board. There are three connectors (A, B and C) which

connect either to a carrier board or to a host. Furthermore, there is a antenna connector and a optional

position for placing a coaxial connector.

The connectors A, B and C have identical pitch. Following type of connector is recommended:

• Dual row header

• Pitch 2.0mm

• Pin shape square

• Pin width 0.5mm x 0.5mm

• Length of pins appropriate to custom requirements

3.1 Connector A

The connector A is intended for connecting a cable to the TWN4 core module, which allows communication

with a host. Typically, such a cable is either type USB or RS232. Various appropriate USB and RS232

cables are available from stock.

There is a right-angle connector mounted on-board, which is type Hirose, DF11 series.

Pin Pin Name Function

A1 UGND USB Ground

A2 USB_D+ USB Data +

A3 UVCC USB VCC

A4 USB_D- USB Data -

A5 V24_RXD RS232 RXD (Input)

A6 GND Ground

A7 V24_TXD RS232 TXD (Output)

A8 MGND Cable Sense

Note:

If pin A6 and A8 are connected to each other this has two effects:

1. The ﬁrmware of TWN4 changes host channel to RS232

2. The integrated circuit, which is interfacing to voltage levels of RS232 is powered up.

Following order codes for connector A and mating parts:

• Pin header on TWN4 Core Module: Hirose DF11-8DP-2DS(24)

Page 5of 13

3 Connectors

• Mating part (crimping socket): Hirose DF11-8DS-2C

• Mating part (crimping contact): Hirose DF11-22SC (22 AWG)

3.2 Connector B

Pin Pin Name Function

B1 GND Ground

B2 VIN Unregulated input to on-board voltage regulator

B3 VREG 3.3V output from on-board voltage regulator

B4 VCC 3.3V power supply input

B5 RESET- Low active TTL input with internal pull-up resistor for hard

reset.

B6 PWRDWN- Low active TTL input with internal pull-up resistor for turning

off the voltage regulator.

B7 COM1_RX- Low active TTL input with internal pull-up resistor of asyn-

chronous RXD to COM1.

B8 COM1_TX- Low active TTL output (push/pull) of asynchronous TXD from

COM1.

B9 I2C_SDA Data pin of I2C interface. No internal pull up.

B10 I2C_SCL Clock pin of I2C interface. No internal pull up.

B11 CAN_RX TTL RX pin of CAN interface. A external interface circuit is

required.

B12 CAN_TX TTL TX pin of CAN interface. A external interface circuit is

required.

B13 ECI_MOSI Pin MOSI of ECI

B14 ECI_MISO Pin MISO of ECI.

B15 ECI_CLK Pin CLK of ECI.

B16 ECI_ATTN- Pin ATTN- of ECI.

B17 GND Ground

B18 Res. This pin is reserved for future purposes.

B19 SPI_MOSI Pin MOSI of SPI interface

B20 SPI_MISO Pin MISO of SPI interface

B21 SPI_SCK Pin SCK of SPI interface

B22 SPI_SS- Pin SS- of SPI interface

B23 Res. This pin is reserved for future purposes.

B24 Res. This pin is reserved for future purposes.

Page 6of 13

3 Connectors

3.3 Connector C

Pin Pin Name Function

C1 GND Ground

C2 ANT_HF Together with pin C1, this pin builds a 50 ohm output for

connecting external 13.56MHz antennas

C3 ANT_LF1 Output 1 for connecting external 125 kHz / 134.2 kHz anten-

nas.

C4 ANT_LF2 Output 2 for connecting external 125 kHz / 134.2 kHz anten-

nas.

C5 Res. This pin is reserved for future purposes.

C6 SPK+ Digitally modulated output for a speaker. Second connection

for the speaker is ground. The impedance of the speaker

should be greater than 24 ohm.

C7 IO0 GPIO0, I/O pin for general purposes.

C8 IO1 GPIO1, I/O pin for general purposes.

C9 IO2 GPIO2, I/O pin for general purposes.

C10 IO3 GPIO3, I/O pin for general purposes.

C11 IO4 GPIO4, I/O pin for general purposes.

C12 IO5 GPIO5, I/O pin for general purposes.

C13 IO6 GPIO6, I/O pin for general purposes.

C14 IO7 GPIO7, I/O pin for general purposes.

C15 SAM1_CLK Clock output for SAM1

C16 GND Ground

C17 SAM1_IO I/O line for SAM1

C18 SAM1_RST Reset output for SAM1

C19 SAM2_CLK Clock output for SAM2

C20 GND Ground

C21 SAM2_IO I/O line for SAM2

C22 SAM2_RST Reset output for SAM2

continued on next page. . .

Page 7of 13

3 Connectors

Pin Pin Name Function

C23 COM2_RX- Low active TTL input with internal pull-up resistor of asyn-

chronous RXD to COM2.

C24 COM2_TX- Low active TTL output (push/pull) of asynchronous TXD from

COM2.

C25 Res. This pin is reserved for future purposes.

C26 Res. This pin is reserved for future purposes.

C27 Res. This pin is reserved for future purposes.

C28 VCC 3.3V power supply input or output for supplying external com-

ponents. Internally connected to B4.

Note:

• The nominal inductance for an external 125 kHz/134.2 kHz antenna is 490 µH. The series resistance

of the antenna should be lower than 10 ohms.

3.4 Connector HF1

HF connector 1 is a UMCC series 50-ohms output, which is connected internally in parallel to pins C1 and

C2.

3.5 Connector HF2

Position of HF2 offers the possibility to place another 50-ohm connector. It is connected internally in parallel

to pins C1 and C2. There are several series of RF connectors, which can be used for position HF2, like

SMA, SMB, SMC, MCX.

Page 8of 13

3 Connectors

3.6 Jumpers

There are several jumpers on-board of the TWN4 Core Module. Depending on the requirements these

jumpers can be soldered together.

Jumper Function

J1 The function is identical to pins A6 and A8. If J1 is closed, the RS232

interface is turned on and the host channel is assumed to be RS232.

J2 Same function like J1 but other side of PCB.

J3 This jumper must be closed, if TWN4 Core Module is powered via con-

nector A, e.g. from USB. It connects VCC from the Core Module to

the on-board voltage regulator, which is supplied from connector A. If

TWN4 Core Module is mounted on a carrier board, this connection can

be avoided by connecting pins B3 and B4 at the carrier board, which

results in exactly the same functionality.

J4 This jumper is for internal purposes only.

Page 9of 13

4 Using PI Option

To use the PI Option, e.g. to read the PAC bits from an iCLASS transponder, a SIO processor is needed.

This can be either a SIO chip which is soldered directly on a PCB or a SAM card incorporating the SIO

processor.

4.1 SIO Chip soldered on PCB

The SIO processor has to be added to the design of the mainboard. The chip can be connected either to

SAM1 or SAM2 of the TWN4 Core Module.

Recommended schematic:

4.2 SAM Card Connection

A SAM socket has to be added to the design of the mainboard. The SAM socket can be connected either

to SAM1 or SAM2 of the TWN4 Core Module.

Following SAM sockets are recommended:

• Molex 47388-2001

• Molex 47308-0001

Recommended schematic:

Page 10 of 13

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