Marson MTD20 Guida rapida alla configurazione

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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Version 0.7 DATE: 2018/11/15

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

TABLE OF CONTENTS

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7

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

___________________________________________________________________________________

1

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The MT80 Mini Imager+MTD20 Decoder Board is designed for 1D Barcode and QR

Code scanning with easy integration. Due to its small size MT80+MTD20 is ideal for

integration into data terminals and other small mobile devices.

The MT80 Mini Imager consists of 1 illumination LED, 1 aimer LED and a high-quality

image sensor with a microprocessor on MTD20 Decoder Board that contains powerful

firmware to control all aspects of operations and enable communication with the host

system over the standard set of communication interfaces.

Two interfaces, UART & USB, are available. UART interface communicates with the

host system over TTL-level RS232 communication; USB interface emulates a USB

HID Keyboard device and communicates with the host system over USB.

1

1-

-1

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Bl

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MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

___________________________________________________________________________________

2

1

1-

-2

2.

.

E

El

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tr

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I

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fa

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1

1-

-2

2-

-1

1.

.

P

Pi

in

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A

As

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nm

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nt

t

(Top View of MTD20 Decoder Board)

Pin#

UART

USB

I/O

Description

Schematic Example

1

nPWRDWN

Output

When nPWRDWN is

active low, MTD20 is in

sleep mode.

2

GND

------------

Power and signal

ground.

Pin 1

Pin 2

Pin 20

Pin 19

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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3

Pin#

UART

USB

I/O

Description

Schematic Example

3

Buzzer

PWN

Buzzer

PWN

Output

Active High: it

indicates the status of

Power-Up or a

successful barcode

decoded.

PWM controlled signal

can be used to drive

an external buzzer for

a successful barcode

decoded (Good Read).

R3

10R

Buzzer

Q1

2N3904

Q2

2N3904

R6 2K7

R7 6K8

R8

3K3

BZ

BZ1

BZ_2.7K

21

HD1

1N 4148

12

+C8

10uF

+

-

VCC

4

------------

USB_D+

Bidirectional

USB Differential Signal

Transmission

(USB D+)

USB_D+

USB_D-

GND

VIN_5V

USB_Port

4

3

2

1

5

6

5

Good

Read

Good

Read

Output

Active High, it

indicates the status of

Power-Up or a

successful barcode

decoded (Good Read).

LED1

GREEN

1

2

Q4

2N3904

R11

330R

R13 4K7

Decode LED

VCC

6

------------

USB_D-

Bidirectional

USB Differential Signal

Transmission

(USB D-)

USB_D+

USB_D-

GND

VIN_5V

USB_Port

4

3

2

1

5

6

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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4

Pin#

UART

USB

I/O

Description

Schematic Example

7

nWAKE

Input

When MTD20 is in

sleep mode, active low

to wake up.

8

GND

------------

Power and signal

ground.

9

Trigger

Input

Trigger

Input

High:

Power-up/Standby

Low: Scanning

Operation

*Warning:

1. Pull low at power-up

will prompt the scan

engine into firmware

update mode.

Once trigger is pressed (pull low), scanning

operation continues until a barcode is

successfully decoded or the trigger is released

(pull high). To proceed to the next scanning

operation, release (pull high) first and press (pull

low) the trigger again.

10

RTS

------------

Output

When Handshaking is

enabled, MT80

requests permission

from host to transmit

data on TXD line.

Sipex®Vendor P/N: SP232ACT

11

VDD_3V3_IN

------------

Supply voltage input.

Must always be

connected to 3.3V

power supply.

+3V3

12

CTS

------------

Input

When Handshaking is

enabled, host

authorizes MT80 to

transmit data on TXD

line.

Sipex®Vendor P/N: SP232ACT

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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5

Pin#

UART

USB

I/O

Description

Schematic Example

13

VDD_3V3_IN

------------

Supply voltage input.

Must always be

connected to 3.3V

power supply.

+3V3

14

TXD

------------

Output

UART TTL data output.

Sipex®Vendor P/N: SP232ACT

15

VDD_3V3_IN

------------

Supply voltage input.

Must always be

connected to 3.3V

power supply.

+3V3

16

RXD

------------

Input

UART TTL data input.

Sipex®Vendor P/N: SP232ACT

17

IF_SEL

Input

High: UART

Low: USB

18

GND

------------

Power and signal

ground.

19

GND

------------

Power and signal

ground.

20

GND

------------

Power and signal

ground.

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

___________________________________________________________________________________

6

2

2.

.

S

SP

PE

EC

CI

IF

FI

IC

CA

AT

TI

IO

ON

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2

2-

-1

1.

.

I

In

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This chapter provides technical specifications of the MT80+MTD20. Operating

method, scanning range and scan angle are also presented.

2

2-

-2

2.

.

T

Te

ec

ch

hn

ni

ic

ca

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pe

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fi

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ca

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on

ns

s

Optic & Performance

Light Source

White LED

Aiming

Red LED dot aimer

Sensor

Area image sensor

Scan Rate

30 frames/ sec

Resolution

5mil/ 0.125mm

Field of View

Horizontal 45°

Vertical 33°

Scan Angle

Pitch Angle ±60°

Skew Angle ±30°

Roll Angle 360°

Print Contrast Ratio

30%

Width of Field

75mm (13Mil Code39)

Depth Of Field

(Environment: 800 lux)

5 Mil Code39: 35 ~ 70mm (4 digits)

10 Mil Code39: 35 ~ 115mm (4 digits)

15 Mil Code39: 45 ~ 165mm (4 digits)

13 Mil UPC/ EAN: 45 ~ 140mm (13 digits)

10 Mil QR Code: 40 ~ 60mm (55 digits)

15 Mil QR Code: 35 ~ 105mm (55 digits)

40 Mil QR Code: 70 ~ 200mm (55 digits)

Physical Characteristics

Dimension

MT80 Imager : W14 x L10 x H7 mm

MTD20 Decoder Board : W25 x L25 x H3.5 mm

Weight

Imager : 1g

Decoder Board : 3.3g

Color

Black

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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7

Material

ABS

Connector

Imager to Decoder board : 25pin ZIF

(pitch=0.3mm)

Decoder Board to Host : 20pin Board-to-Board

Connector (pitch=0.4mm)

Cable

Imager to Decoder board : 25 pins flex cable

(pitch=0.3mm)

Electrical

Operation Voltage

3.3VDC ± 5%

Working Current

Typ. 240 mA

Standby Current

Typ. 160 mA

Idle Current

(Sleep Mode)

TBD

Surge Current

< 500 mA

Connectivity

Interface

UART (TTL-level RS232)

USB (HID Keyboard)

USB (Virtual COM)

User Environment

Operating Temperature

0°C ~ 50°C

Storage Temperature

-20°C ~ 60°C

Humidity

0% ~ 95%RH (Non-condensing)

Drop Durability

1.5M

Ambient Light

100,000 Lux (Sunlight)

MT80 2D Mini Imager+MTD20 Decoder Baord, Integration Guide, V0.7

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8

1D Symbologies

UPC-A/ UPC-E

EAN-8/ EAN-13

Matrix 2 of 5

China Postal Code (Toshiba Code)

Industrial 2 of 5

Interleaved 2 of 5

Standard 2 of 5 (IATA Code)

Codabar

Code 11

Code 32

Standard Code 39

Full ASCII Code 39

Code 93

Code 128

EAN/ UCC 128 (GS1-128)

MSI/ UK Plessey Code

Telepen Code

GS1 Databar

2D Symbologies

QR Code

Regulatory

ESD

Functional after 4KV contact, 8KV air discharge

(It requires housing that is designed for ESD

protection and stray from electric fields.)

EMC

FCC –Part15 Subpart B (Class B)

CE –EN55024, EN55032

Safety Approval

IEC 62471 (Exempt Group)

Environmental

WEEE, RoHS 2.0

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