Epson IMU G Series Manuel utilisateur

Rev. 1.3

Epson IMU G series & V series

Epson IMU_OEM7

Interposer Board

User Manual

Document Number: XB9A-G-001-01

Evaluation board/kit and Development tool important notice

1. This evaluation board/kit or development tool is designed for use for engineering evaluation,

demonstration, or development purposes only. Do not use it for other purposes. It is not intended to

meet the requirements* of design for finished products. *They include requirements of chemical

substances.

2. This evaluation board/kit or development tool is intended for use by an electronics engineer and is

not a consumer product. The malfunction by the noise etc. might be caused depending on your use

environment. The user should use it properly and in a safe manner.

3. Seiko Epson does not assume any responsibility or liability of any kind of damage and/or fire

coursed by the use of this evaluation board/kit or development tool. The user should cease to use it

when any abnormal issue occurs even during proper and safe use.

4. When you dispose this evaluation board/kit or development tool, discard it in accordance with

domestic law concerning disposal.

5. The part used for this evaluation board/kit or development tool may be changed without any notice.

NOTICE

No part of this material may be reproduced or duplicated in any form or by any means without the

written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material

without notice. Seiko Epson does not assume any liability of any kind arising out of any inaccuracies

contained in this material or due to its application or use in any product or circuit and, further, there is no

representation that this material is applicable to products requiring high level reliability, such as, medical

products. Moreover, no license to any intellectual property rights is granted by implication or otherwise,

and there is no representation or warranty that anything made in accordance with this material will be

free from any patent or copyright infringement of a third party. When exporting the products or

technology described in this material, you should comply with the applicable export control laws and

regulations and follow the procedures required by such laws and regulations. You are requested not to

use, to resell, to export and/or to otherwise dispose of the products (and any technical information

furnished, if any) for the development and/or manufacture of weapon of mass destruction or for other

military purposes.

All brands or product names mentioned herein are trademarks and/or registered trademarks of their

 
Epson IMU_OEM7 Interposer Board Seiko Epson Corporation i 
User Manual (Rev. 1.3) 
Table of Contents 
 
Description................................................................................................................. 1 
Features...................................................................................................................... 2 
Block Diagram............................................................................................................ 3 
Technical Description................................................................................................ 4 
Configuration ............................................................................................................. 5 
1. Configuration Resistors ............................................................................................................5 
Board Interfaces and Connectors ............................................................................ 6 
1. OEM7 Development Kit Connector P1.....................................................................................6 
2. Epson G Series IMU Connector P2...........................................................................................7 
3. Epson V Series IMU Connector P3...........................................................................................8 
Parts List................................................................................................................... 10 
Schematic Diagrams.................................................................................................11 
Board Layout............................................................................................................ 12 
 
 
 
 
 
 

Description

Epson IMU_OEM7 Interposer Board Seiko Epson Corporation 1

User Manual (Rev. 1.3)

1. Description

This document describes the Epson IMU_OEM7 Interposer Board (referred to as EIIB). The purpose of

the EIIB is solely for prototype and evaluation in a laboratory or development environment when using

the Epson G2 and V series IMU with the NovAtel OEM7 Development Kit.

The EIIB is a simple board that mounts directly onto the designated “IMU Board” area of the OEM7

Development Kit and routes all the necessary interface signals to the designated connector.

This product is intended for use by qualified engineers familiar with electronics or software development

and should not be used as all or part of a finished end product.

Features

2 Seiko Epson Corporation Epson IMU_OEM7 Interposer Board

User Manual (Rev. 1.3)

2. Features

SMT socket 20x2 1 mm pitch connector Samtec CLM-110-02-L-D (mates with Epson G-series pin

compatible IMU)

SMT socket 20x2 0.4 mm pitch connector Panasonic AXE120224 (mates with Epson V-series

compatible IMU)

SMT header 20x2 1.27 mm pitch connector Samtec FTSH-110-01-F-DV (mates with OEM7

Development Kit)

PCB footprint for mounting 33 ohm 5% 0603 resistors to optionally connect OEM7 output signal

TIMEMARK or EVENT_OUT2 (mutually exclusive) to the Epson IMU GPIO2/EXT input pin.

Block Diagram

Epson IMU_OEM7 Interposer Board Seiko Epson Corporation 3

User Manual (Rev. 1.3)

3. Block Diagram

Figure 3.1 Epson IMU_OEM7 Interposer Board Block Diagram

Epson IMU

Epson IMU_OEM7

Interposer Board

(EIIB)

OEM7

Development

Kit

SPI I/F

DRDY

*Optional

TIMEMARK or

EVENT_OUT2

3.3V / GND

Technical Description

4 Seiko Epson Corporation Epson IMU_OEM7 Interposer Board

User Manual (Rev. 1.3)

4. Technical Description

The EIIB is intended for two primary purposes:

1. To provide a direct hardware connection between the supported Epson IMU and the

NovAtel OEM7 Development Kit.

2. To facilitate prototyping and software development of the supported Epson IMU with the

NovAtel OEM7 Development Kit without the need of additional hardware or cabling.

The EIIB is powered directly by the 3.3 volt power supply and GND pins on connector P1, which is

supplied directly from the OEM7 Development Kit.

The serial host bus interface between the OEM7 Development Kit and EIIB only supports an SPI

interface with DRDY (Data Ready) line.A UART interface is not supported.

Additionally, the OEM7 TIMEMARK or EVENT_OUT2 signals can optionally be connected to the Epson

IMU on the EIIB. Refer to Section 5.1 Configuration Resistors for more information.

The EIIB is a carrier board for directly mounting supported Epson G-series and V-series IMUs. Please

contact NovAtel directly to inquire about the supported Epson IMU models.

NOTE: Only one Epson IMU should be mounted on the respective P2 or P3 connectors at any given

time. Mounting Epson IMUs on both P2 and P3 at the same time may cause irreversible damage to

Epson IMUs, EIIB or the OEM7 Development Kit.

Configuration

Epson IMU_OEM7 Interposer Board Seiko Epson Corporation 5

User Manual (Rev. 1.3)

5. Configuration

5.1. Configuration Resistors

The EIIB has two mountable 33 ohm 5% 0603 size resistors for optionally connecting either the

TIMEMARK or EVENT_OUT2 output signals from the NovAtel OEM7 Development Kit to the Epson

IMU GPIO2_EXT input. By default, neither R1 nor R2 resistors are mounted on the EIIB.

NOTE: This feature requires additional configuration settings on both the OEM7 Development Kit and

Epson IMU to make use of this function. Please contact NovAtel directly to inquire about the supported

Epson IMU models. Please refer to appropriate datasheets for additional technical information.

Table 5.1 Configuration Resistor Description

IMU Signal

OEM7 Signal

Resistor

Description

Comment

GPIO2/EXT

TIMEMARK

Mount R1 to connect

GPIO2/EXT to

TIMEMARK

NOTE: DO NOTmount both R1 and

R2 at the sametime. This will cause

TIMEMARK and EVENT_OUT2

output signals to be shorted

together and damage the OEM7

Development Kit.

If TIMEMARK or EVENT_OUT2 is

not used, then R1 and R2 do not

need to be mounted.

EVENT_OUT2

Mount R2 to connect

GPIO2/EXT to

EVENT_OUT2

Figure 5-1 Configuration Resistor R1 and R2 Location (PCB Backside View)

Board Interfaces and Connectors

6 Seiko Epson Corporation Epson IMU_OEM7 Interposer Board

User Manual (Rev. 1.3)

6. Board Interfaces and Connectors

6.1. OEM7 Development Kit Connector P1

The NovAtel OEM7 Development Kit provides a mating connector and mounting holes for direct

connection of an external IMU Board. The EIIB supports this connection using a 2x10 1.27 mm pitch

header connector P1 (Samtec FTSH-110-01-F-DV). The EIIB also contains 3.45 mm diameter mounting

holes located on the four corners to secure the PCB to the NovAtel OEM7 Development Kit. For more

information regarding the recommended mounting hardware please contact NovAtel directly.

Table 6.1 OEM7 Connector P1 Pin Description

Pin Number

Signal Name

Description / Comment

VCC

3.3V supplied by OEM7 Development Kit

TIMEMARK

Optionally provides PPS

7, 13

GND

Circuit ground

SPI_CLK

SPI Clock (Supports SPI Mode 3 only)

SPI_nCS

SPI Chip select (Supports SPI Mode 3 only)

SPI_MISO

SPI Master In Slave Out (Supports SPI Mode 3 only)

SPI_MOSI

SPI Master Out Slave In (Supports SPI Mode 3 only)

EVENT_IN2

Connects to Epson IMU DRDY output

EVENT_OUT2

Optionally provides EVENT_OUT2 clock signal

1, 3, 4, 6, 9, 11,

15, 17, 18, 19

—

Not connected

The following diagram shows the P1 connector wiring.

Figure 6-1 OEM7 Connector P1 Wiring

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