Xunlong Orange Pi Zero Plus

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Xunlong Orange Pi Zero Plus
OPi Zero Plus Small.jpg
Manufacturer OrangePi
Dimensions 46mm x 48mm
Release Date October 2017
Website Orange Pi Zero Plus Product Page
Specifications
SoC H5 @ 1.2 GHz
DRAM 512 MiB DDR3
Power DC 5V DC-IN via µUSB or pin headers
Features
Video CVBS (on pin headers)
Audio microphone, stereo line-out on pin headers
Network 10/100/1000Mbps Ethernet (Realtek RTL8211E), WiFi 802.11 b/g/n (Realtek RTL8189FTV)
Storage µSD, 16Mb SPI NOR Flash on board
USB 1 USB 2.0 Host, 1 USB 2.0 OTG, 2 x USB 2.0 on pin headers
Other CIR on pin headers

This page needs to be properly filled according to the New Device Howto and the New Device Page guide.

Contents

Identification

The PCB has the following silkscreened on it:

Orange Pi Zero plus V1.1

Images

BSP

Check this mess and that mess in case of interest. It seems no device settings are contained and the BSP is broken anyway at least with regard to voltage regulation (that's also the reason vendor OS images seem to be limited to 1008 MHz since at this cpufreq those Orange Pi do not immediately crash with BSP kernel).

Expansion Port

The Orange Pi Zero Plus has the usual 26-pin, 0.1" unpopulated connector with several low-speed interfaces.

2x13 Header
1 3.3V 2 5V
3 TWI0_SDA / PA12 / GPIO12 4 5V
5 TWI0_SCK / PA11 / GPIO11 6 GND
7 PWM1 / PA06 / GPIO6 8 UART1_TX / PG06 / GPIO198
9 GND 10 UART1_RX / PG07 / GPIO199
11 UART2_RX / PA01 / GPIO1 12 SIM_CLK/PA_EINT7 / PA07 / GPIO7
13 UART2_TX / PA00 / GPIO0 14 GND
15 UART2_CTS / PA03 / GPIO3 16 TWI1-SDA / PA19 / GPIO19
17 3.3V 18 TWI1-SCK / PA18 / GPIO18
19 SPI1_MOSI / PA15 / GPIO15 20 GND
21 SPI1_MISO / PA16 / GPIO16 22 UART2_RTS / PA02 / GPIO2
23 SPI1_CLK / PA14 / GPIO14 24 SPI1_CS / PA13 / GPIO13
25 GND 26 SIM_DET/PA_EINT10 / PA10 / GPIO10

The board has another 13-pin, 0.1" header with several low-speed interfaces.

1x13 Header
1 5V
2 GND
3 USB-DM2
4 USB-DP2
5 USB-DM3
6 USB-DP3
7 LINEOUTR
8 LINEOUTL
9 TV-OUT
10 MIC-BIAS
11 MIC1P
12 MIC1N
13 CIR-RX

A cheap 'Expansion board' for this connector is available exposing all interfaces (2 x USB, CIR receiver, microphone and combined AV TRRS jack) and can be ordered together with the board on Aliexpress. Attention: Expect problems when using the Expansion board to connect more USB devices when you want to power the board through the Micro USB connector (known to cause all sorts of troubles). Voltage drops affecting stability are likely to happen so better think about providing power through 5V/GND pins on the 26 pin header in this case.

The NAS Expansion board is also a great companion transforming the 2 USB2 ports on the 13 pin header into either SATA ports or exposing them to the outside just like the above Expansion board is doing. For full USB/UAS performance you might need to upgrade the firmware of the used JMS578 SATA bridges.

Tips, Tricks, Caveats

FEL mode

No FEL button

LEDs

The board has two LEDs next to DRAM:

  • A red LED, connected to the PA17 pin.
  • A green LED, connected to the PL10 pin.

Voltage regulators

There's a SY8113B voltage regulator on the board able to switch VDD_CPUX between 1.1V and 1.3V and toggled by PL06 pin. This allows stable operation at 816MHz @ 1.1V (based on Allwinner BSP comments and most probably a little bit higher) and 1200 MHz @ 1.3V.

DRAM

The vendor OS images clock the DRAM more or less by accident with 624 MHz (/sys/devices/1c62000.dramfreq/devfreq/dramfreq/cur_freq reads 624000) but these images seem to use settings for Orange Pi PC2 without any adjustments for the device in question (16-bit single bank DRAM config) so it can be expected that this device when settings are submitted upstream will get the usual CONFIG_DRAM_CLK=672 to repeat the usual instability mess we all love so much.

As a reference some tinymembench numbers all with 1008 MHz cpufreq:

USB

The one USB host port exposed as type A receptacle is usb1. Both usb2 and usb3 are available via solder holes. USB OTG available through Micro USB.

Locating the UART

The UART pins are located next to Ethernet jack on the board. They are marked as TX, RX and GND on the PCB. Just attach some leads according to our UART Howto.

Pictures

See also

Manufacturer images

References

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