Skip to content

WM1605 Main Processing Core Board

mefistotelis edited this page Dec 6, 2022 · 2 revisions

Table of Contents

Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics

Function

The board contains all processing units of Mavic Mini SE. It contains Flight Controller, but also sensors processing and VPS, plus the main video and FPV pipeline, and radio transceiver.

Variants

Marking Overview
PP002206.02

Parts

Marking Amt. Pkg. Function Specification
MIMXRT1064 DVL6B 1N00X ZKGP2120T 1 LFBGA196 i.MX RT1064 Crossover MCU with Arm Cortex-M7 core; used as Flight Controller, also controls gimbal and battery description
Ambarella AMBARELLA H22-A0-RH A2045 SBHUV-2N5 1N1 H22A34 1 BGA Ambarella H22 SoC for consumer applications; integrates image sensor pipeline (ISP), H.265 (HEVC) and H.264 (AVC) encoders, and a Quad core ARM Cortex-A53 CPU; drives image sensor and SD-card, capturing image data and encoding for both SD-card storage and wifi transmission through AR1021X description
winbond W631GU6MB-11 6039DY900012 105WCA TWN 2 VFBGA96 1G bits DDR3L-1866 SDRAM. Used as RAM for Ambarella H22 description datasheet
Atheros AR1021X-CL33D FU0152F9 2015 CHINA 1 QFN IEEE 802.11a/b/g/n 2.4 to 5.8GHz 2T2R WiFi SoC with internal PA and LNA; related spec
ACTIVE 8846QM C00BML 1 Active-Semi Advanced PMIC for Multi-Core Application Processors; supplies stabilized power to all chips on the board description
QUALCOMM SMB1350 004 1 Programmable switch-mode Li-Ion battery charger and output power controller SMB1350 description
SN 1708031 TI 8B8 A0HF 1 QFN OPT3101 ToF-based long-range proximity and distance sensor analog front end; drives infrared LED and phototransistor, providing Time of Flight altitude estimation description
BQ 25700A TI 088 AFT9 1 PWQFN-N32 BQ25700A, SMBus 1-4 cell NVDC Buck-Boost battery charge controller with system power monitor and processor description datasheet

Programming

Chips Firmware Description
Ambarella H22 m0100 Camera capture and encoding.
MIMXRT1064 m0306 Flight control.
Atheros AR1021X m0905 Wi-Fi transmission.

External interfaces

Marking Overview
TODO

Service interfaces

The following service pads exist on this board:

Marking Overview
TODO

(service pads are very similar, but not identical, to mini 2)

Board view

Top of a PP002206.02 board, FCC compliant version:

WM1605 Main Processing Core board v2 A top

Bottom of the PP002206.02 board:

WM1605 Main Processing Core board v2 A bottom

Schematics

No schematics available.

Clone this wiki locally