1. Introduction
The T31 module is a modular solution for low-power products that support battery power, enabling photo taking, video recording,wifi/BT wireless transmission, and battery charging management. It is suitable for smart wearable devices, doorbells, and similar scenarios.
Basic Features:
CPU: Junzheng T31A, MIPS, 1.8GHz;
Storage: Supports 128M bytes DDR2, 16-32M Bytes Norflash, 8-128G Bytes DataFlash;
Image: Supports a 500W single camera, concurrently supporting video recording (1080p30fps) and image transmission (720p@30fps);
WiFi: Supports dual-band WiFi at 2.4G/5G, transmission speeds: 40Mbps/80Mbps;
Bluetooth: Supports an independent Bluetooth 5.0 module, BLE and BR modes;
Audio: Supports a 3W mono speaker and a mono microphone;
Battery: Supports lithium batteries of different capacities, with adjustable charging current;
USB: Supports USB data transmission;
2. Logic Block Diagram
3. Physical Interface Diagram
4. Submodule Principle Description
The SD card circuit is as follows
The USB circuit is as follows
The SPK circuit is as follows
The CAMERA circuit is as follows
The MIC circuit is as follows
5. Electrical Parameter Description
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