Premier Farnell Embest SBC-PH8700 User manual

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 1
User Manual
[SBC-PH8800]

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 2
Revision History
Rev.
Note
Author
20160902
Initial
Sandy

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 3
Catalog
Revision History ........................................................................................................................................................... 2
Catalog ......................................................................................................................................................................... 3
Release Note................................................................................................................................................................ 5
1. Images Version............................................................................................................................................. 5
2. Feature List .................................................................................................................................................. 5
3. Known Issues ............................................................................................................................................... 6
Chapter 1 Quick Start ............................................................................................................................................... 7
1.1 Burn the System Images to the SD Card .................................................................................................. 7
1.2 System Boot from SD Card....................................................................................................................... 8
1.3 System Boot from SPI Flash ..................................................................................................................... 9
Chapter 2 Function test .......................................................................................................................................... 11
2.1 LED ......................................................................................................................................................... 11
2.2 RTC ......................................................................................................................................................... 11
2.3 EEPROM ................................................................................................................................................. 12
2.4 EMMC .................................................................................................................................................... 13
2.5 ADC ........................................................................................................................................................ 13
2.6 HDMI...................................................................................................................................................... 14
2.7 HDMI Audio ........................................................................................................................................... 14
2.8 LCD......................................................................................................................................................... 14
2.9 Backlight................................................................................................................................................. 14
2.10 Touchscreen........................................................................................................................................... 14
2.11 Serial ...................................................................................................................................................... 15
2.11.1 UART1 ........................................................................................................................................ 15
2.11.2 UART2 ........................................................................................................................................ 15
2.11.3 UART4 ........................................................................................................................................ 16
2.12 RS485 ..................................................................................................................................................... 17
2.12.1 RS485-2 and RS485-3................................................................................................................. 17
2.13 CAN ........................................................................................................................................................ 17
2.14 Network ................................................................................................................................................. 18
2.15 USB......................................................................................................................................................... 19
2.15.1 USB Host .................................................................................................................................... 19
2.15.2 OTG Test ..................................................................................................................................... 19

SBC-PH8700 User Manual
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2.16 Camera................................................................................................................................................... 21
2.16.1 Video.......................................................................................................................................... 21
2.16.2 Photo.......................................................................................................................................... 21
Chapter 3 System Compilation ............................................................................................................................... 22
3.1 Building Development Environment...................................................................................................... 22
3.2 Compiling U-Boot................................................................................................................................... 22
3.2.1 Get the U-Boot Source Code...................................................................................................... 22
3.2.2 Compile and Burn the Images to SD Card.................................................................................. 22
3.2.3 Compile and Burn the Images to SPI Flash ................................................................................ 22
3.3 Compiling Kernel.................................................................................................................................... 23
3.3.1 Get Kernel Source Code ............................................................................................................. 23
3.3.2 Compile and Burn the Images to SD Card.................................................................................. 23

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 5
Release Note
1. Images Version
SBC-PH8800_Shipment_Image_SDCard_Rev01.img
SBC-PH8800_Shipment_Image_EMMC_Rev01.img
2. Feature List
Feature List
SBC-PH8800
Schematic
Page#
On-Chip
Peripherals
On-Board
Peripherals
Detail Functions(existing)
u-boot version
2015.09
Supports kernel boot
kernel version
4.1.6
Supports all below functionality
Filesystem
Debian
Default root file system used by
debian
CPU
PH8800-U11
AM437X_ZDN
Null
DDRAM
PH8800-p7-u12/u7
DDR
MT41K256M16HA-125
Can access read write and run
code
PMIC
PH8800-p3-u13
I2C0
TPS65218
Null
MicroSD_(TF)
SPH1800-P6-TF1
MMC0
Null
Can access read write and boot
External-RTC
SPH1800-P9-U55
I2C0
RX-8025TUB
can read write and keep time off
power
Integrited-RTC
PH8800-u11
RTC
Null
can read write and keep time off
power
LEDs
PH8800-p10-D3/D
4
gpio
Null
System can control LED to light or
not
Power-Button
PH1800-P14-S2
I2C0
TPS65218
Can get key value
LCD
SPH1800-P9-J9
RGB
Null
Can show picture on the screen
Backlight
SPH1800-P9-J9
PWM
Null
System can control the LCD
backlight
TouchScreen
SPH1800-P9-J9
ADC-TSC
Null
System use touchscreen
eMMC
PH8800-p8-u14
MMC1
MTFC4GACAAAM-4M
IT
Can access read write
EEPROM
PH8800-p8-u6
I2C0
CAT24C256W
Can access read write
SPI-FLASH
PH8800-p8-u3
QSPI
N25Q256A13EF840
1. Boot from SPI-Flash

SBC-PH8700 User Manual
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CAN-1
SPH1800-p8-J61
CAN1
MC33901WEF
System can send and receive data
between two board
CAN-2
SPH1800-p8-J61
CAN0
MC33901WEF
System can send and receive data
between two board
UART-0
SPH1800-p7-CN4
UART0
NUll
System can send and receive data
in loopback mode
UART-1
SPH1800-p7-J4
UART5
MAX3232CUE+
System can send and receive data
in loopback mode
UART-2
SPH1800-p13-J58
UART3
Null
System can send and receive data
in loopback mode
UART-4
SPH1800-p13-J58
UART1
MAX3232CUE+
System can send and receive data
in loopback mode
RS485-2
SPH1800-p8-u5
SPI0
SC16IS752IPW
System can send and receive data
between two board
RS485-3
SPH1800-p8-u5
SPI0
SC16IS752IPW
System can send and receive data
between two board
USB-Host
SPH1800-p11-p3
USB1
Null
Can recognize U disk by USB host
CAMERA
SPH1800-p9j8
CSI&I2C1
Null
Could preview, take picture and
record video
USB-OTG
SPH1800-p11-j13
USB0
Null
Can recognize U disk in host
mode, and can work as usb
ethernet in device mode
Ethernet-1
PH8800-P9-U9
RGMII1
KSZ9031RNXIA
Can ping the server
Ethernet-2
SPH1800-P12-J17
RGMII2
AR8035
Can ping the server
HDMI
SPH1800-P10-U34
I2C0
TDA19988BHN/C1,551
Can show picture on the screen
Audio
SPH1800-P10-U34
I2C0
TDA19988BHN/C1,551
can play wav
3. Known Issues
Known issue List
Detail
SPI-FLASH
Not Support: SPI-Flash access in kernel
Ethernet-1 & Ethernet
-2
Bug: Board to board connect under high or low temperature environment could not working
normally
LCD
Bug:4.3 inch Screen turn white for a while in boot
HDMI Audio
Not support Sony HDMI displayer

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 7
Chapter 1 Quick Start
1.1 Burn the System Images to the SD Card
Firstly, you should prepare a SD card, which is no less than 2GB.
Then, download and install “Win32 Disk Imager”from https://sourceforge.net/projects/win32diskimager/.
Select the system image: SBC-PH8800_Shipment_Image_SDCard_Rev01.img:
Click “Write”button to burn the images:

SBC-PH8700 User Manual
Embest Technology Co. Ltd | http://www.embest-tech.com 8
1.2 System Boot from SD Card
Install the Serial Communication software (e.g. SecureCRT), select the corresponding port number, baudrate
as 115200, data bits as 8, stop bits as 1, parity as none.
Connect the DEBUG interface (CN4) to the serial interface of PC with a USB to TTL module.
Insert the MicroSD card into the card slot (TF1).
Press S3 button, then powered the board with a 5V, 2A power. Release S3 after the power reset.
Wait for the system boot up, then the serial output will show the following information:
Enter username and password as “root”to login;

SBC-PH8700 User Manual
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1.3 System Boot from SPI Flash
Refer to 1.2, boot the system from SD Card, press “Enter”when the serial terminal prints the following info:
U-Boot SPL 2015.07 (Sep 27 2016 - 11:42:48)
SPL: Please implement spl_start_uboot() for your board
SPL: Direct Linux boot not active!
reading u-boot.img
reading u-boot.img
U-Boot 2015.07 (Sep 27 2016 - 11:42:48 +0800)
I2C: ready
DRAM: 1 GiB
PMIC: TPS65218
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
reading uboot.env
** Unable to read "uboot.env" from mmc0:1 **
Using default environment
Net: <ethaddr> not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot: 0
U-Boot# (Press Enter now.)
Execute the following instructions on the serial terminal:
U-Boot# run update_qspi_flash
switch to partitions #0, OK
mmc0 is current device
SD/MMC found on device
reading u-boot-spl.bin
56904 bytes read in 6 ms (9 MiB/s)
SF: Detected N25Q256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB, mapped at 30000000
SF: 589824 bytes @ 0x0 Erased: OK
device 0 offset 0x0, size 0xde48
SF: 56904 bytes @ 0x0 Written: OK
reading u-boot.bin

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288632 bytes read in 17 ms (16.2 MiB/s)
device 0 offset 0x20000, size 0x46778
SF: 288632 bytes @ 0x20000 Written: OK
U-Boot#
Enter following instruction to boot from SD Card first:
U-Boot# boot
Copy the SBC-PH8800_Shipment_Image_EMMC_Rev01.img to a U-disk, then plug the U-disk to P3;
Execute the following instructions on the serial terminal:
root@ SOM-PH8800:~# ls /dev/sd*
/dev/sda /dev/sda1
root@ SOM-PH8800:~# mount /dev/sda1 /mnt/
root@ SOM-PH8800:~# dd if=/mnt/SBC-PH8800_Shipment_Image_EMMC_Rev01.img of=/dev/mmcblk1
Note: Burn the EMMC takes a long time, please wait patiently.
Then power reset the board to boot from EMMC (Don’t press S3 anymore).