M-TI M200-RS Manuale di installazione

Revision 1.4

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MTI M200-RS

Hardware User’s Guide

MTI M200-RS Overview, 100% RS2000 Compatible

The MTI M200-RS module is pin-to-pin, 100% compatible with

Impinj®Indy® RS2000, a surface mount module that comprises a

completely integrated reader solution for EPC Gen2 / ISO18000-63

(formerly 18000-6C) applications. The module was developed to

make embedding a high performance reader easy. The MTI M200-

RS module based on Impinj’s Indy and R2000 builds on market-

leading Indy reader chip technology and integrates all of the

necessary components into a small package. Just provide power,

UART connection from a host, an antenna, and start reading tags.

It is fully tested and is certified for modular operation under FCC

and IC regulations. The M200-RS comes in a surface mount

package designed towork as aSMT (surfacemount technology) component in astandard

PCB manufacturing process.

This document provides hardware developers technical guidance to ensure optimal

performance when using the M200-RS.

Air Interface

Protocol

RAIN RFID

EPCglobal UHF Class 1 Gen2 / ISO 18000-63 (formerly 18000-6C)

Supports dense reader mode (DRM)

Tx Output Power

Range: +10 to +31.5 dBm (+30 dBm maximum in Japan)

Default: +30 dBm

Antenna Ports

4 antenna ports total:

•2 connectorized ports

•2 surface mount ports

Dimensions

38 mm by 52 mm by 4 mm

Package Type

35 pin surface mount package (SMT compatible)

Rx Sensitivity

-74 dBm (1% packet error rate). Assumes a 15 dB antenna return loss at

31.5 dBm output power.

DC Power Supply

3.2 to 5.25 Volts

Supported

Regions

Worldwide regional support. All major regions supported. See the device

datasheet for a complete list.

Compliance

Certified: FCC and Canada modular operation, RoHS compliant

For technical support, please contact [email protected]om

MTI M200-RS Hardware User’s Guide 
Revision 1.3, Copyright © 2020, Impinj, Inc. 
Revision 1.4, Copyright © 2020, Microelectronics Technology, Inc. 2
Table of Contents 
INDY® M200-RS OVERVIEW .................................................................................................................1 
1TABLE OF CONTENTS....................................................................................................................2 
1 FIGURES ......................................................................................................................................3 
2 TABLES........................................................................................................................................3 
2M200-RS HARDWARE INTERFACE................................................................................................4 
1 PIN LISTING..................................................................................................................................6 
2 POWER SUPPLY............................................................................................................................8 
3 RF CONNECTIONS.........................................................................................................................8 
4 UART COMMUNICATION ................................................................................................................9 
5 ENABLE PIN..................................................................................................................................9 
6 HEALTH AND STATUS PINS ...........................................................................................................10 
6.1 Health Pin Behavior............................................................................................................10 
6.2 Status Pin Behavior ............................................................................................................11 
7GPIO PINS.................................................................................................................................11 
8 WAKEUP PIN ..............................................................................................................................12 
3M200-RS LAYOUT AND COMPONENTS.......................................................................................12 
1 PCB LAYOUT FOR RF..................................................................................................................12 
1.1 50 Ohm Characteristic Impedance......................................................................................12 
1.2 PCB Layout for Minimizing Interference ..............................................................................14 
2 RF CABLING...............................................................................................................................14 
2.1 U.FL Connectors.................................................................................................................14 
2.2 Using All 4 Antenna Ports with Uniform Connectors............................................................15 
3 LEDS FOR HEALTH,STATUS,GPIOS............................................................................................15 
4 M200-RS READER THERMAL DESIGN ...........................................................................................16 
4M200-RS OPERATING MODES .....................................................................................................18 
1 STARTUP BEHAVIOR ....................................................................................................................20 
2 LOW POWER OPERATION.............................................................................................................20 
5M200-RS DEVELOPMENT KIT.......................................................................................................21 
1 M200-RS DEVELOPMENT BOARD OVERVIEW.................................................................................21 
2 M200-RS DEVELOPMENT BOARD KEY COMPONENTS .....................................................................22 
2.1 Key IC Descriptions ............................................................................................................23 
2.2 Connector Descriptions.......................................................................................................24 
3 M200-RS DEVELOPMENT BOARD DEFAULT CONFIGURATION...........................................................26 
4 M200-RS DEVELOPMENT BOARD ALTERNATE POWER OPTIONS......................................................26 
5 M200-RS DEVELOPMENT BOARD USB-UART DETAILS ..................................................................27 
6 M200-RS DEVELOPMENT BOARD SCHEMATIC ...............................................................................27 
7 M200-RS DEVELOPMENT BOARD LAYOUT.....................................................................................28 
8 M200-RS DEVELOPMENT BOARD BILL OF MATERIALS (BOM) .........................................................30 
6REGULATORY GUIDELINES.........................................................................................................30 
1 PRODUCT LABELLING...................................................................................................................31 
2 PRODUCT MANUALS ....................................................................................................................32 
3 US REQUIREMENTS.....................................................................................................................32 
4 CANADIAN REQUIREMENTS...........................................................................................................33 
4.1 Industry Canada Statement.................................................................................................33 
4.2 Radiation Exposure Statement............................................................................................33 
4.3 Déclaration d'exposition aux radiations ...............................................................................33 
4.4 Labeling Requirements.......................................................................................................33 
5 ANTENNA REQUIREMENTS............................................................................................................34 

MTI M200-RS Hardware User’s Guide 
Revision 1.3, Copyright © 2020, Impinj, Inc. 
Revision 1.4, Copyright © 2020, Microelectronics Technology, Inc. 3
6.6 MAXIMUM POWER EXPOSURE (MPE) AND USAGE LIMITATIONS........................................................35 
7RELATED DOCUMENTATION.......................................................................................................36 
8DOCUMENT CHANGE LOG...........................................................................................................36 
9NOTICES........................................................................................................................................37 
1.1 Figures 
FIGURE 1–EXAMPLE M200-RS BLOCK DIAGRAM.........................................................................................4 
FIGURE 2–INDY M200-RS PIN LISTING ......................................................................................................6 
FIGURE 3–M200-RS RF CONNECTION NUMBERING ....................................................................................9 
FIGURE 4–M200-RS ENABLE PIN CIRCUIT DIAGRAM .................................................................................10 
FIGURE 5–PCB TRANSMISSION LINE TYPES .............................................................................................13 
FIGURE 6–HIROSE U.FL-R-SMT-1 CONNECTOR.......................................................................................15 
FIGURE 7–M200-RS LAYOUT AND CABLING FOR CONNECTOR UNIFORMITY .................................................15 
FIGURE 8–HEAT CONDUCTION FROM M200-RS INTO A HEAT SINK .............................................................16 
FIGURE 9–M200-RS MODULE THERMAL CUTAWAY VIEW...........................................................................16 
FIGURE 10 –M200-RS PASTEMASK PATTERN ...........................................................................................17 
FIGURE 11 –M200-RS MODULE THERMAL MOUNTING OPTIONS..................................................................18 
FIGURE 12 –M200-RS OPERATING MODE STATE DIAGRAM........................................................................20 
FIGURE 13 –M200-RS DEVELOPMENT BOARD BLOCK DIAGRAM..................................................................22 
FIGURE 14 –M200-RS DEVELOPMENT BOARD COMPONENT AND CONNECTOR LOCATIONS ............................23 
FIGURE 15 –JP200 AND JP204: M200-RS I/O JUMPERS ...........................................................................25 
FIGURE 16 –JP207-JP210: UART SELECTION JUMPERS ...........................................................................25 
FIGURE 17 –M200-RS DEVELOPMENT BOARD SCHEMATIC.........................................................................28 
FIGURE 18 –M200-RS DEVELOPMENT BOARD LAYOUT:TOP SIDE...............................................................29 
FIGURE 19 –M200-RS DEVELOPMENT BOARD LAYOUT:BOTTOM SIDE ........................................................30 
1.2 Tables 
TABLE 2-1 –INDY M200-RS PIN LISTING AND SIGNAL DEFINITIONS ................................................................7 
TABLE 2-2 –M200-RS ANTENNA LISTING AND IRI CONSTANTS......................................................................9 
TABLE 2-3 –HEALTH PIN BEHAVIOR ..........................................................................................................11 
TABLE 2-4 –STATUS PIN BEHAVIOR ..........................................................................................................11 
TABLE 3-1 –M200-RS DEVELOPMENT KIT LED SELECTION........................................................................16 
TABLE 4-1 –M200-RS OPERATING MODES ...............................................................................................19 
TABLE 7-1 –RELATED DOCUMENTATION ....................................................................................................36 
TABLE 8-1 –DOCUMENT CHANGE LOG ......................................................................................................36 
 

MTI M200-RS Hardware User’s Guide

2M200-RS Hardware Interface

An example M200-RS system-level block diagram for an embedded system is shown in

Figure 1. This figure shows the electrical connections that may and must be made to

control the M200-RS. Inthe figure, the required connections are illustrated with solid lines.

Recommended and optional connections are illustrated with different dotted and dashed

line patterns. They are also listed below.

More details for each connection are listed in the following subsections.

Figure 1 –Example M200-RS Block Diagram

Required connections:

•VDC_IN and GND are required to power the M200-RS.

•ANT1, ANT2, UFL1, or UFL2 are required to connect to UHF RFID antennas. Only

one is required for RFID activity, but all four may be used.

•UART1 Tx and Rx are required to communicate with the system host.

•ENABLE is used to enable or disable operation of the part. If this pin is driven low, the

power supplies in the part will be disabled. M200-RS may be reset by toggling this pin.

This pin must be driven high to enable the part.

Recommended connections:

•UART2 Tx and Rx may be used to examine debug information.

•HEALTH toggles to indicate successful operation of the M200-RS. Connection to an

LED provides a visual indication of whether or not an error condition exists.

MTI M200-RS Hardware User’s Guide

•STATUS toggles to provide an indication when the M200-RS is in active mode (for

example, inventorying tags). Connection to an LED provides a visual indicator of the

device’s activity.

Optional connections:

•GPIOs allow interaction with the M200-RS as both digital inputs and outputs. They

may be used to trigger inventory, generate events based on inventory activity, or

provide general-purpose user-controlled digital I/O.

•WKUP provides a mechanism to wake up the M200-RS from the low power modes.

WKUP is also used to force entry into the Impinj firmware bootstrap. If unused, this

pin should be tied to logic low.

No connect:

•CLK_OUT, DTEST0 and DTEST1 connections are reserved for MTI use only.

MTI M200-RS Hardware User’s Guide

2.1 Pin Listing

M200-RS’s pins are shown in Figure 2 and listed inTable 2-1.

Figure 2 –Indy M200-RS Pin Listing

MTI M200-RS Hardware User’s Guide

Table 2-1 –Indy M200-RS Pin Listing and Signal Definitions

Pin #

Pin Name

Pin Type

Description

VDC_IN

Power

DC voltage supply (3.2 –5.25 V)

GND

Power

Ground

UART2-TX

Digital Output

M200-RS Debug UART Tx to host

UART2-RX

Digital Input

M200-RS Debug UART Rx from host

GND

Power

Ground

UART1-TX

Digital Output

M200-RS UART Tx to host

UART1-RX

Digital Input

M200-RS UART Rx from host

GND

Power

Ground

ENABLE

Digital Input

Module enable, active high. Puts M200-RS in

Shutdown mode when logic low.

GND

Power

Ground

VDC_IN

Power

DC voltage supply (3.2 –5.25 V)

GND

Power

Ground

GND

Power

Ground

GND

Power

Ground

GND

Power

Ground

GND

Power

Ground

WKUP

Digital Input

Wakeup from sleep on rising edge

GPIO1

Digital I/O

General purpose I/O

GPIO2

Digital I/O

General purpose I/O

GPIO3

Digital I/O

General purpose I/O

GPIO4

Digital I/O

General purpose I/O

STATUS

Digital Output

M200-RS status indication

HEALTH

Digital Output

M200-RS health indication

GND

Power

Ground

CLK_OUT

No Connect

Reserved for Impinj production test

DTEST0

No Connect

Reserved for Impinj production test

DTEST1

No Connect

Reserved for Impinj production test

GND

Power

Ground

ANT2

SMT antenna port 2

MTI M200-RS Hardware User’s Guide

Pin #

Pin Name

Pin Type

Description

GND

Power

Ground

ANT1

SMT antenna port 1

GND

Power

Ground

GND

Power

Ground

GND

Power

Ground

GND

Power

Ground

UFL-1

UFL1

UFL antenna port 1

UFL-2

UFL2

UFL antenna port 2

2.2 Power Supply

M200-RS is powered by a voltage applied to the VDC_IN pins (pins 1 and 11) relative to

the GND pins. The supply voltage operating range is 3.2 V to 5.25 V. Average current

consumption varies from about 1600 mA (8 W) to about 1 µA (5 µW) depending on the

operating mode. Peak current consumption can exceed this by up to 50% depending on

the operating mode. The power supply is internally bypassed and regulated, and no

external bypass or bulk storage capacitance is required, as long as the input voltage is

stable.

If M200-RS activity is not required at all times, and power reduction is desired, the

ENABLE input can be driven low to place the part in “shutdown” mode, where the internal

power supplies are disabled, and no activity takes place. Otherwise, ENABLE should be

driven high.

2.3 RF Connections

The M200-RS has four RF antenna ports, which may be connected to 50 Ω antennas via

50 Ω controlled impedance connections. These connections could simply be microstrip

transmission lines to PCB antennas or SMT antennas, or they could include connectors

and coaxial cable. The RF connections are single ended, referenced to ground.

For more information about impedance matching, see section 3.1 - PCB Layout for RF.

Among the four ports, there are two SMT connections on the edge of the M200-RS

module, and two UFL connectors on the top side of the M200-RS module. All four may

be used in a design, allowing up to four antennas with no external switching. The

connectors are numbered in increasing order moving towards the corner of the module

with the cutout in theshield. This isshown in Figure 3. The antenna numbering convention

used in the IRI libraries is shown in Table 2-2.

If more antenna connections are required, external RF switches may be used to increase

the number of connections.

MTI M200-RS Hardware User’s Guide

Figure 3 –M200-RS RF Connection Numbering

Table 2-2 –M200-RS Antenna Listing and IRI Constants

Antenna

Connection

Antenna

Number

Generic Antenna

Constant

M200-RS Specific Antenna

Constant

ANT1

E_IPJ_ANTENNA_1

E_IPJ_ANTENNA_RS2000_SMT_1

ANT2

E_IPJ_ANTENNA_2

E_IPJ_ANTENNA_ RS2000_SMT_2

UFL1

E_IPJ_ANTENNA_3

E_IPJ_ANTENNA_ RS2000_UFL_1

UFL2

E_IPJ_ANTENNA_4

E_IPJ_ANTENNA_ RS2000_UFL_2

2.4 UART Communication

The M200-RS has two full-duplex UART interfaces at the pins, accessible using pins

UART1-RX, UART1-TX, UART2-RX, and UART2-TX. UART1 implements the host

communication interface via IRI, and UART2 implements thedebug interface. The Tx pins

are outputs from the M200-RS, and the Rx pins are inputs to the M200-RS. Both UART

interfaces are 115,200 baud, with 8 data bits, 1 stop bit, and no parity bit (8-n-1

configuration).

Each of the UART interfaces signals at 3.3V relative to GND. The TX pins are driven

strong high and low with a sink/source current of about 2 mA. If the load on a pin draws

more than the 2 mA sink and source current, the pin is not guaranteed to meet the VOH

and VOL specs. Excessive current sunk or sourced on the GPIO pins can also cause

electrical damage to the device.

Voltages outside of the maximum IO operating voltage range of -0.3 to 4.0 V should not

be applied to the UART pins. This can cause permanent damage to the device.

Note Tag read rates can be limited by host communication interface baud rate. The

default baud rate of 115,200 Baud will limit the tag read rate to approximately 300 tags

per second.

2.5 Enable Pin

The M200-RS has an ENABLE pin (pin 9) allows an external signal to put the module in

Shutdown mode, which offers the lowest possible current consumption. The Enable pin

can also be used to restart the module.

MTI M200-RS Hardware User’s Guide

The Enable pin has an internal 100 kOhm pull-down resistor. If the signal is above 1.2 V,

the module will be enabled, and if it is below 0.4 V, it will be disabled. This means that

the driving signal needs only source ~12 µA to enable the module. If the host device has

a pull-up drive mode, or a series resistor is used with a strong drive mode, the resistor

value should be selected such that the Enable voltage is above 1.2 V. This arrangement

is shown in Figure 4, and the resistor size requirement is shown in Equation 2-1.

Note Using a series resistor or resistive pull-up drive mode allows the same circuit to be

used to drive the RS500 NRST pin and the M200-RS ENABLE pin.

The module can be reset by toggling the Enable pin low and then back high.

Figure 4 –M200-RS Enable Pin Circuit Diagram

100 kΩ

RS2000

Host Device

VDDIO

> 1.2 VENABLE

Equation 2-1 –M200-RS Enable Pin Pull-Up Resistor Size

󰇧

󰇨

2.6 Health and Status Pins

The M200-RS has two pins that indicate the state of the device through their voltages:

HEALTH (pin 23) and STATUS (pin 22).

Both pins are outputs operating at a logical voltage level of 3.3 V, and can sinkand source

2 mA each. If the load on one of these pins draws more than the 2 mA sink and source

current, the pin is not guaranteed to meet the VOH and VOL specs. Excessive current

sunk or sourced on the pins can also cause electrical damage to the device.

For recommendations on LEDs for observing the Health and Status pins, see section 3.3

-LEDs for Health, Status, GPIOs.

2.6.1 Health Pin Behavior

The HEALTH pin indicates whether the M200-RS is operating in its normal mode, or if

some other condition exists. The pin is cycled high and low in specific patterns to indicate

the state of the M200-RS. Those patterns are as follows:

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