SOPHGO BM1688 Edge TPU Processor - Detailed Specification/Datasheet

Jeff.Xie · January 12, 2026, 11:06am

SOPHGO BM1688 Edge TPU Processor - Detailed Specification (V3.0.5)

This post summarizes the BM1688 product introduction from the v3.0.5 terminal product line materials. It is intended as a technical overview for engineers evaluating BM1688 devices.

Executive Summary

Dual-TPU architecture with 16 TOPS @ INT8.
8-core ARM Cortex-A53 compute platform.
LPDDR4/LPDDR4X 2x32-bit memory interface.
Professional ISP with 8Mp60 imaging and 3DNR/HDR/LDC/3A/Dehaze.
CV hardware modules: IVE, stitching, 360-degree fisheye dewarp, binocular depth.
Multi-sensor input and dual-display output.
High-speed I/O: SATA/PCIe/USB, plus dual GMAC.

Main Specifications (BM1688)

CPU: 8x ARM CA53.
Memory: LPDDR4/LPDDR4X 2x32-bit.
TPU: 16 TOPS @ INT8 (dual-TPU architecture).
Decode: H.264/H.265 hardware decode, max 16x2Mp30.
Encode: H.264/H.265 hardware encode, max 10x2Mp30.
ISP/CV: 8Mp60; 3DNR/HDR/LDC/3A/Dehaze; IVE; stitching; 360-degree fisheye dewarp; binocular depth.
VI/VO: Multi-sensor input; dual display.
I/O: SATA, PCIe, USB, dual GMAC.
Peripherals: PWM/UART/SPI/SD/I2C/GPIO.

BM1688 vs CV186AH (From Source)

Feature	BM1688	CV186AH
Compute Platform	Intelligent Edge 16T~8T	Smart Terminal 7.2T
Processor	8x ARM CA53	6x ARM CA53
Memory	LPDDR4/LPDDR4X 2x32-bit	LPDDR4/LPDDR4X 2x32-bit
TPU (INT8)	16 TOPS	7.2 TOPS
Codec	H.264/H.265/MJPEG, max 16x2Mp30	H.264/H.265/MJPEG, max 16x2Mp30
ISP/CV	2f-HDR, 3DNR/LDC/3A/Dehaze, IVE/VPSS, stitching, dewarp, depth	2f-HDR, 3DNR/LDC/3A/Dehaze, IVE/VPSS, stitching, dewarp, depth
VI/VO	Multi-sensor input, dual display	Multi-sensor input, dual display
High-Speed I/O	SATA / GMAC / PCIe / USB	SATA / GMAC / PCIe / USB
Peripherals	PWM/UART/SPI/SD/I2C/GPIO	PWM/UART/SPI/SD/I2C/GPIO

BM1688 Detailed Capabilities

Category	BM1688 Details
Compute	Dual-TPU architecture, 16 TOPS @ INT8
CPU	8-core ARM CA53 for efficient multi-task compute
ISP & Vision	8Mp60 ISP; 3DNR/HDR/LDC/3A/Dehaze
CV Hardware	IVE, stitching, 360-degree fisheye dewarp, binocular depth
Codec	Decode 16x2Mp30; Encode 10x2Mp30 (H.264/H.265)
Display & Sensors	Multi-sensor input; dual display output
Expansion	SATA/PCIe/USB with dual GMAC
Peripherals	PWM/UART/SPI/SD/I2C/GPIO

Applications (From Source)

Smart micro-servers.
Smart NVR.
AI NAS.
Smart lawn mowers.

LEARN MORE

To request the official BM1688 datasheet, SDK, or reference designs, email [email protected].
For system integration and custom solution support, visit https://aimorelogy.com.

sophonsdk_edge_v2.1_official_release

2025-11-25

The SDK version 2.1 for BM1688 and CV186AH is included in the compressed package. The file list contains a brief description of each module.

Update notes:

Optimized sleep/wake-up, supporting deep sleep
. 2. Upgraded libyuv to version 1787, improving performance.
Optimized OpenCV operators, supporting BMCV hardware acceleration
. 4. Optimized BMCV TPU operators, supporting dual-core TPU computing
. 5. Supports recording power-on reasons
. 6. Added OTA upgrade support in recovery mode.
Supports cross-platform upgrades with up to 4GB of RAM
. 8. Updated video decoding firmware (r368959), resolving stream freezing issues.
Improved ISP AF functionality, supporting autofocus.
Added support for sensor: gc8613
. 11. OTA supports upgrading specified partitions.
Upgraded Python libraries, OpenCV supports Python calls.
FFmpeg supports WebRTC streaming.

download

Sophonsdk_v2.1 source code

2025-11-25

The sophonsdk_v2.1_source_code file contains all the source code for edges and ends.

download

SDK sophonsdk_device_v2.1_official_release

2025-11-25

The SDK version 2.1 for the BM1688 and CV186AH on the device side is included in the compressed package, which contains a brief description of each module.
Update content includes:

Optimized sleep/wake-up, supporting deep sleep;
Significantly optimized system startup time
; 3. Support for automatically acquiring eMMC capacity and dynamically adjusting the data partition size;
Improved ISP AF function, supporting autofocus;
Updated video decoding firmware (r368959), resolving the bitstream stalling issue.

download

SDK User Manual

2025-11-25

SDK User Manual

Check

Development Documentation BSP Development Reference Manual

2025-11-25

BSP Development Reference Manual

Check

Development Documentation : LIBSOPHON User Manual

2025-11-25

LIBSOPHON User Manual