Embest SOM-PH8800 Manual de usuario

Embest Technology.

SOM-PH8800 Core

Board User Manual

Version1.0–March 2016

The core board of SOM-PH8800 and related intellectual property owned by

Shenzhen EMBEST Technology Co. Ltd.

Shenzhen Embest Technology has the copyright of this document and reserves all

rights.Any part of the document should not be modified, distributed or duplicated in

any approach and form with the written permission issued by Embest Technology

Co., Ltd.

Embest Technology.

Disclaimer：

Shenzhen Embest Technology does not take warranty of any kind, either expressed

or implied, as to the program source code, software and documents in the CD/DVD-

ROMs provided along with the products, and including, but not limited to, warranties

of fitness for a particular purpose; The entire risk as to the quality or performance of

the program is with the user of products.

Revision History：

Version

Updata Date

Describe

1.0

Original Version

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Table of Contents

1 Chapter 1 Product Overview.....................................................................................................3

1.1 Brief Introduction .............................................................................................................3

1 Packing List .......................................................................................................................4

1.1.1 Product Features ......................................................................................................4

1.2 System Block Diagram ......................................................................................................5

1.3 Product Dimensions (unit：mm) .....................................................................................6

Chapter 2 Introduction to Hardware System ....................................................................................7

1 Overview of CPU...................................................................................................................7

2.2 Introduction of Peripheral Chips .............................................................................................8

2.2.1 DDR3..............................................................................................................................8

2.2.2 EMMC Flash...................................................................................................................9

2.2.3 KSZ9031 .........................................................................................................................9

2.2.4 EEPROM.........................................................................................................................9

2.2.5 QSPI Flash ......................................................................................................................9

2.2.6 LED.................................................................................................................................9

2.3 POWER Distribution ..............................................................................................................9

2.4 Details of Interfaces.............................................................................................................10

Technical Support and Warranty.....................................................................................................15

1 Chapter 1 Product Overview

1.1 Brief Introduction

SOM-PH8800 is developed by EMBEST Technology Co., Ltd. This SBC uses a core

board based on Ti am437x and can be used in medical instruments, industrial control,

communications and other fields.The processor is a 1GHzARM Cortex –A9 chip and

provides rich peripheral interfaces. Based on SOM-PH8800 extensions, the SBC can

provide a series of expansion interface, including network interface, audio input and

output interface, USB, TF card interface, serial interface, SPI, IIC interface, CAN

interface, RS485 interface,ADC interface, TFT screen output, touch screen and camera

interface etc.

SOM - PH8800 has wide range of application scenarios, including (but not restricted

to) gaming peripherals, home and industrial automation, consumer medical devices,

printers, intelligent charging system, intelligent vending machines, weighing system,

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terminal education, toys, and so on.

1 Packing List

1.1.1 Product Features

Electrical Features

Operating temperature：0~70°C（commercial）, -40~85°C（Industrial）

Input voltage：5V

Operating humidity：20% ~ 90%（no condensation）

Mainboard size：70 mm×50 mm

PCB specifications：8 layer design

Processor Features

1000 MHzARM Cortex™-A9 32-Bit RISC Microprocessor

NEON™ SIMD Coprocessor and Vector Floating Point (VFPv3) Coprocessor

32KB of Both L1 Instruction and Data Cache

256KB of L2 Cache or L3 RAM

SGX530 Graphics Engine

Programmable Real-Time Unit Subsystem and Industrial Communication

Subsystem (PRU-ICSS)

Real-Time Clock (RTC)

Onboard Memory：

1GB DDR3 SDRAM

4GB eMMC Flash

32KB EEPROM

32MB QSPI Flash

Communication Interfaces：

With two 90Pin 1.27mm pitch connectors（including I2C, SPI, CAN, UART, MMC, I2S,

LCD, Camera, RGMII, GPIO, Power signal and so on）

Debugging Interfaces

Support UART serial debugging

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1.2 System Block Diagram

Figure 1-1 SOM-PH8800 System Block

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1.3 Product Dimensions (unit：mm)

Figure 1-2 Product Dimensions

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Chapter 2 Introduction to

Hardware System

This chapter will introduce in detail the structure, expansion and peripheral interfaces

of SOM-PH8800 hardware system.

1 Overview of CPU

TI AM437x is a high performance processor based on ARM Cortex –A9 Core.

The processor has enhanced 3D graphics acceleration , a rich graphical user

interface, a co-processor for deterministic real-time processing, such as industrial

communication protocols EtherCAT, PROFIBUS, EnDat and so on.

These devices support systems for the low power operations like Kernel Upgrade,

and firmware update for peripherals, including QSPI-NOR and LPDDR2 memory.

The processor contains the subsystem shown in Figure 2-1, and a brief description

of each subsystem is given below.

ARM based Cortex-A9 Processor as CPU, POWERVR SGX graphics accelerator

subsystem provides 3D graphics acceleration function for display support and advanced

user interface controls.

The Programmable Real-Time Unit Subsystem and Industrial Communication

Subsystem (PRU-ICSS) is separated from theARM core, allowing independent operation

and clocking for greater efficiency and flexibility. PRU-ICSS supports more peripheral

interface and EtherCAT, PROFINET, Ethernet/IP, PROFIBUS, Ethernet Powerlink,

SERCOS, EnDat, real time protocol.

The PRU-ICSS enables additional peripheral interfaces and real-time protocols such

as EtherCAT, PROFINET, EtherNet/IP, PROFIBUS, Ethernet Powerlink, Sercos, and

others.Additionally, the programmable nature of the PRU-ICSS, along with its access to

pins, events and all system-on-chip (SoC) resources, provides flexibility in implementing

fast, real-time responses, specialized data handling operations, custom peripheral

interfaces, and in offloading tasks from other processor cores of SoC.

High performance interconnection for multiple initiator to provide internal and

external memory controller and high bandwidth data on transmission. The device also

provides the clock with comprehensive management mechanism.

An on-chip analog-to-digital converter (ADC0) can be combined with the display

subsystem, providing integrated touch screen solutions.Another ADC (ADC1) can be

combined with the pulse width module, create a closed-loop motor control solution.

Real time clock (RTC) provides a separate power domain base of the clock, and the

clock can achieve the clock battery backup reference benchmark.

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Camera interface providing parallel port configuration for single camera or dual

camera.

EachAM437x device has acceleration and encryption functions, which realizes safe

boot and prevents illegal cloning and software updates.

Figure 2-1 Functional Block Diagram

2.2 Introduction of Peripheral Chips

2.2.1 DDR3

AM437x provides a memory controller for expanding external dynamic storage

space. SOM-PH8800 board extended 2 Micron DDR3 particles (MT41K256M16HA-125),

can provide 1GB RAM access to external space.

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2.2.2 EMMC Flash

AM437x provides three routes MMC interfaces, supporting memory card and eMMC

memory, and SOM-PH8800 board a size of 4GB eMMC Flash.

2.2.3 KSZ9031

Low power consumption KSZ9031, high performance Ethernet PHY chip.It has

integrated the 10 / 100 / 1000 Mbit transceiver. It is single port 10 / 100 / 1000 Mbps triple

speed Ethernet PHY, and support MAC.TM RGMII interface.

2.2.4 EEPROM

SOM-PH8800 has a 32KB EEPROM, and the type is CAT24C256W.As a non-

volatile memory, the memory can be used to store some important information, such as

card configuration information.

2.2.5 QSPI Flash

SOM-PH8800 has a QSPI Flash of 32MB, N25Q256A13EF840. It can be used as

high-speed storage devices, and can also be used as a boot disk.

If the QSPI Flash has been updated with Image, the SOM-PH8800 will boot the

system from the Flash default, and we can get detailed introduction with the software

manual.

2.2.6 LED

SOM-PH8800 built three green LEDs, the D5 is 3.3V power LED, indicated that the

system power on; D3 and D4 can be programmable with GPIO defined by users.

2.3 POWER Distribution

SOM-PH8800 has a TPS65218 power management chip designed for TI AM437x

and AM335x as a high-performance PMIC, which contains multiple output powers used

to provide the various powers of AM437x.

Only 5V power and RTC battery (3V) are needed to supply for SOM-PH8800 from

the base board.Other power will be suppled by the PMIC, about the IO level ,except for

special signal (such as USB, GBE etc.), the other is 3.3V level.

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2.4 Details of Interfaces

SOM-PH8800 has two 1.27mm 90Pin connectors（as shown in Figure 2-2 J1 and

J2）to extend, including take power from the outside,and allocate the CPU pin resource.

Figure 2-2

The definition of two1.27mm 90Pin connectors as follows:

Table 2-1 J1

Pin No.

Net Name

Description

Voltage

Pin Out

WAKEUP

Wake Up Signal for PMIC

1.8V

AE3

MCASP0_AHCLKX

McASP Transmit Master Clock

3.3V

L24

MCASP0_FSX

McASP Transmit Frame Sync

3.3V

N22

MCASP0_AHCLKR

McASP Receive Master Clock

3.3V

M24

MCASP0_FSR

McASP Receive Frame Sync

3.3V

K23

VDDA_ADC

Supply Voltage For ADC

1.8V

AD14/AB12

ADC0_AIN0

Analog Input/Output

1.8V

AA12

ADC0_AIN2

Analog Input/Output

1.8V

Y13

GNDA_ADC

Ground For ADC

ADC0_AIN5

Analog Input/Output

1.8V

AC13

CAM1_DATA0

Camera data

3.3V

AB20

CAM1_DATA1

Camera data

3.3V

AC21

CAM1_DATA8

Camera data

3.3V

AD24

CAM1_DATA9

Camera data

3.3V

AC24

GPIO1_28

GPIO

3.3V

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