WM220 Core Board A - randomlettersandnumbers/DJI-Stuff GitHub Wiki
Table of Contents
Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics
Function
The board stores most of computational power of the drone. It contains video encoder for both FPV and SD-card, but also video recognition for positioning (VPS) and gesture control. It also contains transciever and high-frequency components which make up Ocusync radio channel.
Variants
Several versions of the module are known.
| Marking | Overview |
|---|---|
| P01549.07 | The first version. |
| P01817.08 |
Parts
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| ACP ACPD4GD31D3 | 1 | |||
| Skyworks 77814-1 87144.1 1605 MX | 1 | 24-pad MCM | SKY77814-11 Power Amplifier Module for LTE and AXGP bands | description |
| S 20 | 3 | 6-lead 1.5x1.5 QFN-33 | SKY13320-374LF: 0.1-6.0 GHz GaAs SPDT Switch | description |
| 78B | 2 |
Programming
| Chips | Firmware | Description |
|---|---|---|
| TODO |
External interfaces
| Marking | Overview |
|---|---|
| TODO |
Service interfaces
The following service pads exist on this board:
| Marking | Overview |
|---|---|
| TODO |
Board view
Top of a P01549.07 board:
Bottom of the P01549.07 board:
Top of a P01817.08 board:
Bottom of the P01817.08 board:
Top of another P01817.08 board:
Bottom of the P01817.08 board:
Schematics
No schematics available.