Marvell ARMADA 8040 Development and Debug interfaces

Overview


The 8040 board offers different interfaces for development and debugging:

  • Console port (UART) over microUSB connector
  • 20-pin Connector for CPU JTAG debugger
  • 2 X UART Headers

UART Header


UART Header pinout. Pin-1 marked on PCB


UART Header 1 (CAP1-UA0) Pinout

Pin Function Connection
1 Ground
2 RXD (In) CP0 MPP41
3 TXD (Out) CP0 MPP40


UART Header 2 (CAP0-UA0) Pinout

Pin Function Connection
1 Ground
2 RXD (In) CP1 MPP6
3 TXD (Out) CP0 CP1 MPP7

JTAG Header




MicroUSB


At the bottom of the board you can find a MicroUSB connector. [AP_MPP11 (TX), AP_MPP19 (RX)]
It includes a FT230X USB to Serial and can be used as serial console.