Hardware and pinout - OpenHamradioFirmware/G90Tools GitHub Wiki

Display Unit

Hardware and IOs

TODO: Map which GPIOs these are connected to

  • Push buttons
  • Rotary encoders with push buttons
  • UART tele jack
  • Headphone tele jack
  • DB-9 connector to Main Unit

Display Unit Pinout

STM32F103RCT6 - QFP64

Pin nbr Pin name Description
29 PB10 USART3 TX - Tele jack on the side
30 PB11 USART3 RX - Tele jack on the side

Display KD018QQTBN009 / ST7735S Controller

Resolution: 128 x 160, 16b colors

Flex pin MCU Pin Function Display function MCU Peripheral
31 17 PA3 WR(SPI-RS)
29 20 PA4 Reset SPI1_NSS
28 21 PA5 Clock SPI1_SCK
26 23 PA7 Serial in D0 (32R) SPI1_MOSI
2-3 62 PB9 Backlight

Main Unit

Hardware and IOs

TODO: Map which GPIOs these are connected to

Connectors:

  • ANT - Antenna out
  • KEY - CW keyer
  • COMM - UART for flashing the unit
  • I/Q - Raw IQ out
  • ACC - Multiple signal connector (TODO: Document this)
  • DB-9 connector to Display Unit

IOs:

  • Relays connected to the antenna tuner
  • ...

Pinout for the Main Unit

STM32F429ZGT6 - LQFP144

Pin nbr Pin name Description
USART? TX - COMM tele jack
USART? RX - COMM tele jack