WM330 Camera Encoder board - randomlettersandnumbers/DJI-Stuff GitHub Wiki
Table of Contents
Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics
Function
Contains Ambarella pipeline - the SoC, its external RAM and Flash memory and power regulators. This pipeline is responsible for receiving data from Camera Sensor and compressing it for SD-card storage. It also prepares another video stream, to be used for FPV.
Variants
The known variants are listed below.
| Marking | Overview |
|---|---|
| TODO | First version. |
Parts
| Marking | Amt. | Pkg. | Function | Specification |
|---|---|---|---|---|
| Elpida B8132B3PB | 1 | 168-ball 12×12 FBGA | Embedded LPDDR2 SDRAM | description |
| Ambarella A9-A1-RH A1501 X1501-AN1 1R1 A9S75 | 1 | BGA | Ultra HD 4K Camera SoC | brief |
| MXIC X154009 MX30LF2G18AC-XKI 8C149000 | 1 | 63-ball 11x9 VFBGA | 3V SLC NAND Flash memory | description |
| WE245 TI 56K A9GV | 1 | 26-lead 6.3x4.3 PVQFN-N24 | SN74AVC8T245 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and 3-State Outputs | description |
Programming
| Chips | Firmware | Description |
|---|---|---|
| A9S75, EDB8132B, MX30LF2G/MT29F2G | [m0100](/randomlettersandnumbers/DJI-Stuff/wiki/Firmware-m0100), [m0101](/randomlettersandnumbers/DJI-Stuff/wiki/Firmware-m0101) | Takes care of video encoding and controls firmware update process. Controls SD card slot. Consists of loader (01) and application (00). |
External interfaces
The board contains one connector:
| Marking | Overview |
|---|---|
| TODO |
Service interfaces
The following service pads exist on this board:
| Marking | Overview |
|---|---|
| TODO |
Board view
Top of a P01390.01 board:
Bottom of the P01390.01 board:
Top of a P01390.?? board:
Bottom of the P01390.?? board:
Top of a P01390.?? board:
Bottom of the P01390.?? board:
Schematics
No schematics available.