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Xunlong Orange Pi Zero

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Orange Pi Zero is a small form factor board H2+ based development board produced by Xunlong. More information:

Generic Router

OpenWrt support

Experimental firmware

Hardware highlights

CPU Ram Flash Network WLAN USB Serial JTag
Allwinner H2 Quad-core Cortex-A7 256MB/512MB DDR3 SDRAM microSD + SPI Flash 1x 10/100 bgn 1x 2.0 Yes ?



Architecture ARM Cortex-A7
Vendor Allwinner
Bootloader U-Boot
System-On-Chip Allwinner H2+
CPU/Speed 1.2 GHz
Flash-Chip SPI
Flash size 2 MB
RAM 256MB/512MB DDR3 SDRAM(256MB version is Standard version
Wireless XR819, IEEE 802.11 b/g/n
Ethernet 10/100 Mbit/s
Switch tbd
USB 1x 2.0
Serial Yes
JTAG tbd


Insert photo of front of the casing

Insert photo of back of the casing

Insert photo of backside label

Insert photo of PCB

Opening the case

No case


The UART pins are located next to Ethernet jack on the board. They are marked as TX, RX and GND on the PCB.

How to connect to the Serial Port of this specific device:

Serial connection parameters
for Xunlong Orange Pi Zero 115200, 8N1


port.jtag general information about the JTAG port, JTAG cable, etc.

How to connect to the JTAG Port of this specific device:
Insert photo of PCB with markings for JTAG port


OEM bootlog


OpenWrt bootlog

U-Boot SPL 2019.01 (Dec 20 2019 - 23:27:39 +0000) DRAM: 256 MiB Trying to boot from MMC1 U-Boot 2019.01 (Dec 20 2019 - 23:27:39 +0000) Allwinner Technology CPU: Allwinner H3 (SUN8I 1680) Model: Xunlong Orange Pi Zero DRAM: 256 MiB MMC: SUNXI SD/MMC: 0 Loading Environment from FAT... *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: phy interface0 eth0: ethernet@1c30000 starting USB... USB0: USB EHCI 1.00 USB1: USB OHCI 1.0 USB2: USB EHCI 1.00 USB3: USB OHCI 1.0 scanning bus 0 for devices... 1 USB Device(s) found scanning bus 2 for devices... 1 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... Found U-Boot script /boot.scr 377 bytes read in 1 ms (368.2 KiB/s) ## Executing script at 43100000 3042608 bytes read in 137 ms (21.2 MiB/s) 19557 bytes read in 2 ms (9.3 MiB/s) ## Booting kernel from Legacy Image at 42000000 ... Image Name: ARM OpenWrt Linux-4.19.88 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 3042544 Bytes = 2.9 MiB Load Address: 40008000 Entry Point: 40008000 Verifying Checksum ... OK ## Flattened Device Tree blob at 43000000 Booting using the fdt blob at 0x43000000 EHCI failed to shut down host controller. EHCI failed to shut down host controller. Loading Kernel Image ... OK Using Device Tree in place at 43000000, end 43007c64 Starting kernel ... (...) BusyBox v1.31.1 () built-in shell (ash) _______ ________ __ | |.-----.-----.-----.| | | |.----.| |_ | - || _ | -__| || | | || _|| _| |_______|| __|_____|__|__||________||__| |____| |__| W I R E L E S S F R E E D O M ----------------------------------------------------- OpenWrt SNAPSHOT, r11740-9b02d32e34 ----------------------------------------------------- === WARNING! ===================================== There is no root password defined on this device! Use the "passwd" command to set up a new password in order to prevent unauthorized SSH logins. --------------------------------------------------



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toh/xunlong/xunlong_orange_pi_zero.txt · Last modified: 2019/12/22 22:11 by probonopd