Specifications Digital PCB (UI)
Table of features:
| PCB form factor: | 186mm x 66mm |
| processor: | STM32F76x, optional STM32H743 (144pin LQFP) |
| audio codec: | 2 x WM8731 @ 96KHz (actually firmware supports 48KHz), IQ and audio seperated, (simultaneously TX and RX possible, if RF board supports it) |
| display: | 3.5" 480x320, supporting more LCDs later |
| LCD interface: | parallel / SPI |
| internal memory: | SPI-Flash (optional), SPI-RAM (optional) |
| external memory: | microSD Card |
| real time clock: | integrated RTC of STM32, CR2032 backup battery |
| LEDs: | 3 |
| external connectors: | USB-OTG (mini-USB), USB-Host (USB-A) 3.5mm microphone and PTT 3.5mm Stereo analog in 3.5mm Stereo analog out (speaker independent) 3.5mm Stereo audio uut (headphones) |
| internal connectors: | 30pin pinheader (mcHF compatible) +6pin GPIO 25pin pinheader (div. GPIOs, SPI, I2C) STLinkV2 compatible connector debug print 2 x 4pin internal USB connectors |
| buttons: | 18 independent |
| encoders: | 4, with independent push functions |
| audio output stage: | stereo, 2x3W |
30pin header J1 is downcompatible to mcHF rf PCB so that you can use OVI40-UI in bundle with mcHF rf (version <= 0.6). Of course only features which are supported by this rf PCB will be available.
Here you can download schematics of UI-PCB
This page is targeted to grow continuously!
DF8OE, 19.07.2018