This page (revision-9) was last changed on 2021-03-20 08:24 by Murray Altheim

This page was created on 2021-03-19 04:37 by Murray Altheim

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At line 5 changed one line
The __NanoPi Fire3__ is a 7.5cm x 4cm Microcontroller (slightly larger than a Raspberry Pi Zero) using a 1.4GHz Octa-Core Cortex-A53 with 1GB DDR3 RAM, with its CPU being a S56818 (Samsung) SoC. The Fire3 has a CMOS interface to support cameras, 40-Pin GPIO, MicroHDMI, RGB LCD Connector, and Gbps Ethernet.
[{Image src='attach/NanoPiFire3/Fire3_04.jpg' link='attach/NanoPiFire3/Fire3_04.jpg' caption='NanoPi Fire3 (click to enlarge)' align='right' width='600' class='imgFloatRight'}]
At line 7 added 4 lines
The __NanoPi Fire3__ is a 7.5cm x 4cm Single Board Computer (SBC) which hosts a 1.4GHz Octa-Core Cortex-A53 with 1GB DDR3 RAM, with its CPU being a Samsung S56818 SoC. The Fire3 has a CMOS interface to support cameras, 40-Pin GPIO, MicroHDMI, RGB LCD Connector, and Gbps Ethernet.
At line 9 changed one line
! Specifications
Given it is only slightly larger than a Raspberry Pi Zero but hosts a 1.4GHz 8-core CPU, it's one of the more powerful small "Raspberry Pi compatible" SBCs available. As for true compatibility, see below.
At line 11 changed one line
[{Image src='attach/NanoPiFire3/nanopi-fire3.png' link='attach/NanoPiFire3/nanopi-fire3.png' caption='NanoPi Fire3 (click to enlarge)' align='right' width='350' class='imgFloatRight'}]
The Fire3 has been tested by the NZPRG using the Armbian and Ubuntu operating systems. We recommend Armbian.
At line 13 changed one line
* Octa-Core Cortex-A53 scaled up to 1.4GHz
Note that when using Armbian, the {{armbian-config}} utility can be used to set most system configuration, including a static IP address.
!! Raspberry Pi Compatibility
The GPIO pins are configured differently to the Raspberry Pi so that Pi hats and devices that connect directly to the GPIO pins won't necessarily work (notably I²C devices). This can be worked around, see below under ''Fire3 GPIO Pinout''.
!! Specifications
[{Image src='attach/NanoPiFire3/nanopi-fire3.png' link='attach/NanoPiFire3/nanopi-fire3.png' caption='NanoPi Fire3 (click to enlarge)' align='right' width='450' class='imgFloatRight'}]
* Octa-Core (i.e., 8 CPU cores) Cortex-A53 scaled up to 1.4GHz
At line 16 changed one line
* Dynamic Voltage Control
* Dynamic Voltage Control
At line 23 changed 2 lines
* 5mm Pitch FPC Socket supports DVP Camera (8-Bit ITU-R BT 601-658 / I/O, I2C included)
* 54mm pitch Raspberry Pi compatible 40-Pin GPIO / PWM, I2C, UART, I/O, and SPI included
* 5mm Pitch FPC Socket supports DVP Camera (8-Bit ITU-R BT 601-658 / I/O, I²C included)
* 54mm pitch Raspberry Pi compatible 40-Pin GPIO / PWM, I²C, UART, I/O, and SPI included
At line 39 changed one line
! Fire3 GPIO Pinout
!! Fire3 GPIO Pinout
At line 41 changed one line
While it claims to be, the Fire3's GPIO is actually not compatible with the Raspberry Pi, notably the I2C bus is different.
While it claims to be, the Fire3's GPIO is actually not compatible with the [Raspberry Pi], notably the [I²C] bus is different. Most I²C software on the Pi uses pins 3 and 5, which are assigned to I²C __bus #1__, whereas on the Fire3 those two pins are assigned to __bus #0__.
At line 43 changed 21 lines
|Pin#|Name|Pin#|Name
|1|SYS_3.3V|2|VDD_5V
|3|I2C0_SDA|4|VDD_5V
|5|I2C0_SCL|6|DGND
|7|GPIOD8/PPM|8|UART3_TXD/GPIOD21
|9|DGND|10|UART3_RXD/GPIOD17
|11|UART4_TX/GPIOB29|12|GPIOD1/PWM0
|13|GPIOB30|14|DGND
|15|GPIOB31|16|GPIOC14/PWM2
|17|SYS_3.3V|18|GPIOB27
|19|SPI0_MOSI/GPIOC31|20|DGND
|21|SPI0_MISO/GPIOD0|22|UART4_RX/GPIOB28
|23|SPI0_CLK/GPIOC29|24|SPI0_CS/GPIOC30
|25|DGND|26|GPIOB26
|27|I2C1_SDA|28|I2C1_SCL
|29|GPIOC8|30|DGND
|31|GPIOC7|32|GPIOC28
|33|GPIOC13/PWM1|34|DGND
|35|SPI2_MISO/GPIOC11|36|SPI2_CS/GPIOC10
|37|AliveGPIO3|38|SPI2_MOSI/GPIOC12
|39|DGND|40|SPI2_CLK/GPIOC9
On the Fire 3 __I²C Bus #1's SDA and SCL pins are pins 27 and 28 respectively__ rather than pins 3 and 5 as on the Raspberry Pi, so if you get your 3.3v and ground from somewhere on the GPIO bus and SDA and SCL from pins 27 and 28 you can use Pi I²C devices without resorting to altering Python library code (as most seem hard-coded on bus 1, a generally safe assumption).
At line 65 changed one line
! Links
%%information
__%%(font-size:large)Grumble...%%__ \\
Why FriendlyArm (who make the Fire3) and [Orange Pi] alter the locations of their I²C bus pins and still claim [Raspberry Pi] [GPIO] compatibility is a bit of a mystery. Sadly, on the Orange Pi there are no extant pins for I²C bus #1 at all. There may be some way of initialising a new bus in software and reassigning pins to be compatible with the Pi but that's beyond me (or my interest, frankly).
%%
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||Pin # ||Name ||Pin # ||Name
||1| %%red SYS_3.3V %% ||2 | __%%(color:purple) VDD_5V %%__
||3|__%%(color:#aaaaaa) I²C0_SDA %%__ ||4| __%%(color:purple) VDD_5V %%__
||5|__%%(color:#aaaaaa) I²C0_SCL %%__ ||6| __DGND__
||7| GPIOD8/PPM ||8 | UART3_TXD/GPIOD21
||9| __DGND__ ||10 | UART3_RXD/GPIOD17
||11| UART4_TX/GPIOB29 ||12 | GPIOD1/PWM0
||13| GPIOB30 ||14 | __DGND__
||15| GPIOB31 ||16 | GPIOC14/PWM2
||17| %%red SYS_3.3V %% ||18 | GPIOB27
||19| SPI0_MOSI/GPIOC31 ||20 | __DGND__
||21| SPI0_MISO/GPIOD0 ||22 | UART4_RX/GPIOB28
||23| SPI0_CLK/GPIOC29 ||24 | SPI0_CS/GPIOC30
||25| __DGND__ ||26 | GPIOB26
||27| __%%(color:#ff5500) I²C1_SDA%%__ || 28 | __%%(color:#ff5500) I²C1_SCL %%__
||29| GPIOC8 ||30 | __DGND__
||31| GPIOC7 ||32 | GPIOC28
||33| GPIOC13/PWM1 ||34 | __DGND__
||35| SPI2_MISO/GPIOC11 ||36 | SPI2_CS/GPIOC10
||37| AliveGPIO3 ||38 | SPI2_MOSI/GPIOC12
||39| __DGND__ ||40 | SPI2_CLK/GPIOC9
!! Links