Embest SOM-PH8800 User manual

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Embest Technology.
Copyright ©2016 Embest Technology SOM-PH8800 User Manual
SOM-PH8800 Core
Board User Manual
Version1.0–March 2016
Copyright Statement：
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.

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Embest Technology.
Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
1.2 System Block Diagram
Figure 1-1 SOM-PH8800 System Block

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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
1.3 Product Dimensions (unit：mm)
Figure 1-2 Product Dimensions
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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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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Copyright ©2016 Embest Technology SOM-PH8800 User Manual
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
1
WAKEUP
Wake Up Signal for PMIC
1.8V
AE3
3
MCASP0_AHCLKX
McASP Transmit Master Clock
3.3V
L24
5
MCASP0_FSX
McASP Transmit Frame Sync
3.3V
N22
7
MCASP0_AHCLKR
McASP Receive Master Clock
3.3V
M24
9
MCASP0_FSR
McASP Receive Frame Sync
3.3V
K23
11
VDDA_ADC
Supply Voltage For ADC
1.8V
AD14/AB12
13
ADC0_AIN0
Analog Input/Output
1.8V
AA12
15
ADC0_AIN2
Analog Input/Output
1.8V
Y13
17
GNDA_ADC
Ground For ADC
0
--
19
ADC0_AIN5
Analog Input/Output
1.8V
AC13
21
CAM1_DATA0
Camera data
3.3V
AB20
23
CAM1_DATA1
Camera data
3.3V
AC21
25
CAM1_DATA8
Camera data
3.3V
AD24
27
CAM1_DATA9
Camera data
3.3V
AC24
29
GPIO1_28
GPIO
3.3V
A3

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BEEP_GPIO0_4
GPIO For Beep Output
3.3V
A12
33
GND
Ground
0
--
35
LCD_DATA0
LCD Data Bus
3.3V
B22
37
LCD_DATA1
LCD Data Bus
3.3V
A21
39
LCD_DATA2
LCD Data Bus
3.3V
B21
41
LCD_DATA3
LCD Data Bus
3.3V
C21
43
LCD_DATA4
LCD Data Bus
3.3V
A20
45
LCD_DATA5
LCD Data Bus
3.3V
B20
47
LCD_DATA6
LCD Data Bus
3.3V
C20
49
LCD_DATA7
LCD Data Bus
3.3V
E19
51
LCD_DATA8
LCD Data Bus
3.3V
A19
53
LCD_DATA9
LCD Data Bus
3.3V
B19
55
LCD_DATA10
LCD Data Bus
3.3V
A18
57
LCD_HSYNC
LCD Horizontal Sync
3.3V
A23
59
LCD_VSYNC
LCD Vertical Sync
3.3V
B23
61
GND
Ground
0
--
63
LCD_PCLK
LCD Clock
3.3V
A22
65
GND
Ground
0
--
67
RGMII2_TXCTL
RGMII Transmit Control
3.3V
C3
69
RGMII2_RXCTL
RGMII Receive Control
3.3V
C5
71
RGMII2_TXD2
RGMII Transmit Data Bit2
3.3V
A4
73
RGMII2_TXD0
RGMII Transmit Data Bit0
3.3V
E7
75
RGMII2_RXCLK
RGMII Receive Clock
3.3V
F6
77
RGMII2_RXD2
RGMII Receive Data Bit2
3.3V
B4
79
RGMII2_RXD0
RGMII Receive Data Bit0
3.3V
D8
81
MMC2_CMD/
CAM1_DATA3
MMC/SD/SDIO Command/
Camera data
3.3V
AE22
83
MMC2_DAT1/
CAM1_DATA5
MMC/SD/SDIO Data Bus/
Camera data
3.3V
AE23
85
MMC2_DAT3/
CAM1_DATA7
MMC/SD/SDIO Data Bus/
Camera data
3.3V
AE24
87
CAM1_VD
CCD Data Vertical Detect
3.3V
AC23
89
GND
Ground
0
--
Table 2-2 J1
Pin No.
Net Name
Description
Voltage
Pin Out
2
PORZn
Power on Reset
3.3V
Y23
4
SYS_RESETn
Warm Reset Input/Output
3.3V
G22
6
MCASP0_ACLKX
McASP Transmit Bit Clock
3.3V
N24
8
MCASP0_ACLKR
McASP Receive Bit Clock
3.3V
L23
10
MCASP0_AXR0
McASP Serial Data
3.3V
H23
12
MCASP0_AXR1
McASP Serial Data
3.3V
M25

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ADC0_AIN1
Analog Input/Output
1.8V
Y12
16
ADC0_AIN3
Analog Input/Output
1.8V
AA13
18
ADC0_AIN4
Analog Input/Output
1.8V
AB13
20
ADC0_AIN6
Analog Input/Output
1.8V
AD13
22
ADC0_AIN7
Analog Input/Output
1.8V
AE13
24
GND
Ground
0
--
26
CLKOUT2
Clock out2
3.3V
C24
28
CLKOUT1
Clock out1
3.3V
D24
30
GND
Ground
0
--
32
LCD_DATA11
LCD Data Bus
3.3V
B18
34
LCD_DATA12
LCD Data Bus
3.3V
C19
36
LCD_DATA13
LCD Data Bus
3.3V
D19
38
LCD_DATA14
LCD Data Bus
3.3V
C17
40
LCD_DATA15
LCD Data Bus
3.3V
D17
42
GND
Ground
0
--
44
LCD_DE
LCD AC Bias Enable Chip Select
3.3V
A24
46
LCD_DATA16
LCD Data Bus
3.3V
A11
48
LCD_DATA17
LCD Data Bus
3.3V
B11
50
LCD_DATA18
LCD Data Bus
3.3V
C11
52
LCD_DATA19
LCD Data Bus
3.3V
E11
54
LCD_DATA20
LCD Data Bus
3.3V
D11
56
LCD_DATA21
LCD Data Bus
3.3V
F11
58
LCD_DATA22
LCD Data Bus
3.3V
A10
60
LCD_DATA23
LCD Data Bus
3.3V
B10
62
CAN1_RX
DCAN1 Receive Data
3.3V
J25
64
CAN1_TX
DCAN1 Transmit Data
3.3V
L25
66
I2C2_SCL
I2C2 Clock
3.3V
T22
68
I2C2_SDA
I2C2 Data
3.3V
P23
70
RGMII2_TXD3
RGMII Transmit Data Bit3
3.3V
C6
72
RGMII2_TXD1
RGMII Transmit Data Bit1
3.3V
D7
74
RGMII2_TXCLK
RGMII Transmit Clock
3.3V
E8
76
RGMII2_RXD3
RGMII Receive Data Bit3
3.3V
F7
78
RGMII2_RXD1
RGMII Receive Data Bit1
3.3V
G8
80
MMC2_CLK/
CAM1_DATA2
MMC/SD/SDIO Clock/
Camera data
3.3V
AD21
82
MMC2_DAT0/
CAM1_DATA4
MMC/SD/SDIO Data Bus/
Camera data
3.3V
AD22
84
MMC2_DAT2/
CAM1_DATA6
MMC/SD/SDIO Data Bus/
Camera data
3.3V
AD23
86
CAM1_HD
CCD Data Horizontal Detect
3.3V
AD25
88
CAM1_PCLK
CCD Data Pixel Clock
3.3V
AE21
90
GND
Ground
0
--

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Table 2-3 J2
Pin No.
Net Name
Description
Voltage
Pin Out
1
EXT_VRTC
3V Power for RTC
3V
TPS65218
3
MMC0_DAT0
MMC/SD/SDIO Data Bus Bit0
3.3V
C1
5
MMC0_DAT1
MMC/SD/SDIO Data Bus Bit1
3.3V
C2
7
MMC0_DAT2
MMC/SD/SDIO Data Bus Bit2
3.3V
B2
9
MMC0_DAT3
MMC/SD/SDIO Data Bus Bit3
3.3V
B1
11
GND
Ground
0
--
13
SPI2_SCLK
SPI Clock
3.3V
N20
15
SPI2_D0
SPI Data
3.3V
P22
17
UART0_RXD
UART Receive Data
3.3V
K25
19
UART0_TXD
UART Transmit Data
3.3V
J24
21
UART1_RXD
UART Receive Data
3.3V
K21
23
UART1_TXD
UART Transmit Data
3.3V
L21
25
CAN0_RX
DCAN0 Receive Data
3.3V
L22
27
CAN0_TX
DCAN0 Transmit Data
3.3V
K22
29
I2C1_SDA
I2C1 Data
3.3V
T21
31
I2C1_SCL
I2C1 Clock
3.3V
T20
33
GND
Ground
0
--
35
CAM0_DATA0
Camera data
3.3V
AE18
37
CAM0_DATA2
Camera data
3.3V
Y18
39
CAM0_DATA4
Camera data
3.3V
AE19
41
CAM0_DATA6
Camera data
3.3V
AE20
43
CAM0_DATA8
Camera data
3.3V
AB19
45
GND
Ground
0
--
47
CAM0_FIELD
CCD Data Field Indicator
3.3V
AC18
49
CAM0_WEN
CCD Data Write Enable
3.3V
AD17
51
GBE1_LED_LINK
GBE Link Indicator
3.3V
KSZ9031
53
GBE1_LED_ACT
GBE ACT Indicator
3.3V
KSZ9031
55
GND
Ground
0
--
57
GBE1_TRP2
GBE Data Plus
--
KSZ9031
59
GBE1_TRN2
GBE Data Minus
--
KSZ9031
61
GBE1_TRP3
GBE Data Plus
--
KSZ9031
63
GBE1_TRN3
GBE Data Minus
--
KSZ9031
65
GND
Ground
0
--
67
USB0_DM
USB0 Data Minus
--
W24
69
USB0_DP
USB0 Data Plus
--
W25
71
GND
Ground
0
--
73
USB1_DM
USB1 Data Minus
--
V25
75
USB1_DP
USB0 Data Plus
--
V24

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GND
Ground
0
--
79
SPI4_SCLK
SPI Clock
3.3V
P25
81
SPI4_D0
SPI Data
3.3V
R24
83
SPI4_D1
SPI Data
3.3V
P24
85
SPI4_CS0
SPI Chip Select
3.3V
N25
87
GND
Ground
0
--
89
VDD_5V
5V Power Supply
5V
--
Table 2-4 J2
Pin No.
Net Name
Description
Voltage
Pin Out
2
PB_PWRON
Push-Button Monitor Input
3.3V
TPS65218
4
WARM_RESETn
CPU Reset Signal Input and output
3.3V
G22
6
MMC0_CMD
MMC/SD/SDIO Command
3.3V
D2
8
MMC0_SDCD
SD Card Detect
3.3V
R25
10
MMC0_CLK
MMC/SD/SDIO Clock
3.3V
D1
12
SPI2_CS0
SPI Chip Select
3.3V
T23
14
SPI2_D1
SPI Data
3.3V
P20
16
UART3_RXD
UART Receive Data
3.3V
H25
18
UART3_TXD
UART Transmit Data
3.3V
H24
20
UART3_RTS
UART Request to Send
3.3V
K24
22
UART3_CTS
UART Clear to Send
3.3V
H22
24
UART5_RXD
UART Receive Data
3.3V
D16
26
UART5_TXD
UART Transmit Data
3.3V
A16
28
UART5_RTS
UART Request to Send
3.3V
B13
30
UART5_CTS
UART Clear to Send
3.3V
B14
32
GND
Ground
0
--
34
CAM0_DATA1
Camera data
3.3V
AB18
36
CAM0_DATA3
Camera data
3.3V
AA18
38
CAM0_DATA5
Camera data
3.3V
AD19
40
CAM0_DATA7
Camera data
3.3V
AD20
42
CAM0_DATA9
Camera data
3.3V
AA19
44
CAM0_DATA10
Camera data
3.3V
AC25
46
CAM0_DATA11
Camera data
3.3V
AB25
48
GND
Ground
3.3V
--
50
CAM0_PCLK
CCD Data Pixel Clock
3.3V
AC20
52
GND
Ground
0
--
54
CAM0_HSYNC
CCD Data Horizontal Detect
3.3V
AE17
56
CAM0_VSYNC
CCD Data Vertical Detect
3.3V
AD18
58
GND
Ground
0
--
60
GBE1_TRP0
GBE Data Plus
--
KSZ9031
62
GBE1_TRN0
GBE Data Minus
--
KSZ9031

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GBE1_TRP1
GBE Data Plus
--
KSZ9031
66
GBE1_TRN1
GBE Data Minus
--
KSZ9031
68
GND
Ground
0
70
ETH_MDIO_CLK
MDIO Clk
3.3V
B17
72
ETH_MDIO_DATA
MDIO Data
3.3V
A17
74
USB0_ID
USB0 ID
--
U24
76
USB0_VBUS
USB0 VBUS
5V
U23
78
USB1_VBUS
USB1 VBUS
5V
T25
80
LCD_PWM
LCD Backlight PWM Output
3.3V
G24
82
BOOT_SEL
Boot Select Input
3.3V
B21
84
PB_INTERRUPT
External Interrupt to ARM Cortex-
A9 core
3.3V
G25
86
USB1_ID
USB1 ID
--
U25
88
GND
Ground
3.3V
--
90
VDD_5V
5V Power Supply
5V
--
Technical Support and Warranty
Technical Support
Embest Technology provides its product with one-year free technical support
including:
Providing software and hardware resources related to the embedded products of
Embest Technology;
Helping customers properly compile and run the source code provided by Embest
Technology;
Providing technical support service if the embedded hardware products do not
function properly under the circumstances that customers operate according to the
instructions in the documents provided by Embest Technology;
Helping customers troubleshoot the products.

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The following conditions will not be covered by our technical support service. We will
take appropriate measures accordingly:
Customers encounter issues related to software or hardware during their
development process;
Customers encounter issues caused by any unauthorized alter to the embedded
operating system;
Customers encounter issues related to their own applications
Customers encounter issues caused by any unauthorized alter to the source code
provided by Embest Technology.
Warranty Conditions
1）12-month free warranty on the PCB under normal conditions of use since the
sales of the product;
2）The following conditions are not covered by free services; Embest Technology will
charge accordingly:
Customers fail to provide valid purchase vouchers or the product identification tag is
damaged, unreadable, altered or inconsistent with the products;
Not according to the user's manual operation causes damage to the product;
Products are damaged in appearance or function caused by natural disasters (flood,
fire, earthquake, lightning strike or typhoon) or natural aging of components or other
force majeure;
Products are damaged in appearance or function caused by power failure, external
forces, water, animals or foreign materials;
Products malfunction caused by disassembly or alter of components by customers or,
products disassembled or repaired by persons or organizations unauthorized by
Embest Technology, or altered in factory specifications, or configured or expanded
with the components that are not provided or recognized by Embest Technology and
the resulted damage in appearance or function;
Product failures caused by the software or system installed by customers or
inappropriate settings of software or computer viruses;;
Products purchased from unauthorized sales;

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Embest Technology.
Copyright ©2016 Embest Technology SOM-PH8800 User Manual
Warranty (including verbal and written) that is not made by Embest Technology and
not included in the scope of our warranty should be fulfilled by the party who
committed. Embest Technology has no any responsibility;
1）Within the period of warranty, the freight for sending products from customers to
Embest Technology should be paid by customers; the freight from Embest to
customers should be paid by us. The freight in any direction occurs after warranty
period should be paid by customers;
2）Please contact technical support if there is any repair request.
Note：
Embest Technology will not take any responsibility on the products sent back without the
permission of the company.
Contact Information
Technical Support
Tel：[phone]
Email：[e-mail]
Sales Information
Tel：[phone]
Fax：[phone]
Email：[e-mail]
Company Information
Wabsite：http://www.embest-tech.cn
Address：Tower B 4/F,Shanshui Building,Nanshan Yungu Innovation Industry
Park,Liuxian Ave.No.1183,Nanshan District,Shenzhen,Guangdong,China