Wiki addition: WM1601 Mini SE main board photos + specs

[samueljmorris]

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
SKY 746 2Z00E	1	16-pin QFN-4444	high frequency amplifier used in FCC version

Programming

Chips	Firmware	Description
Ambarella H22	[[m0100|Firmware m0100]]	Camera capture and encoding.
MIMXRT1064	[[m0306|Firmware m0306]]	Flight control.
Atheros AR1021X	[[m0905|Firmware 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:

Bottom of the PP002206.02 board:

Schematics

No schematics available.

[mefistotelis]

Nice; thank you.

[samueljmorris]

you're welcome! Also, a few misc things I found: The ESC board is slightly different from the mavic mini (likely the same board is in the mini 2 as well)

Top of board:

Main IC is a Spintrol SPC1168APE, reference manual: http://www.spintrol.com/uploads/20220126/4f83ac199fb694f9a2c5bf3a4c5ed261.pdf

Pinout:

Firmware module is 1200 v01.60.31.00, 2020-11-23 (wm1605_1200_v01.60.31.00_20201123.pro.fw.sig). The above reference manual likely works for all boards that use m1200.

[ardmed]

Ao good explain thank you so match 😍

[mefistotelis]

ESC board info is still not on wiki, so leaving this open.

Core board info is published: https://github.com/o-gs/dji-firmware-tools/wiki/WM1605-Main-Processing-Core-Board