M5CoreS3 SE is a lightweight version of the third-generation CoreS3 main unit within the M5Stack development kit lineup. It operates on the ESP32-S3 solution and features a dual-core Xtensa LX7 processor, running at 240 MHz. With built-in (2.4G) WiFi, it includes 16MB FLASH and 8MB PSRAM for ample program storage. Downloads can be made via the Type-C interface, which supports OTG and CDC functions, allowing for easy USB device connectivity and firmware updates. The device features a durable 2.0-inch capacitive touch IPS screen protected by a high-strength glass panel. Differences Between M5Stack CoreS3 and M5Stack CoreS3 SE The M5CoreS3 SE utilizes the AXP2101 power management chip along with a 4-way power flow control circuit designed for efficient low power consumption. It also features an onboard MicroSD card slot and a BM8563 RTC chip, ensuring precise timing and sleep-timer functionalities. For audio output, it includes a high-fidelity 16-bit I2S amplifier chip AW88298 along with a built-in 1W speaker. For audio input, it has an ES7210 audio decoding chip with dual microphone inputs. The device is equipped with an independent power button and a reset (RST) button, both featuring a built-in delay circuit. Long-pressing the reset button allows users to enter program download mode. This product is ideal for IoT development, various DIY projects, smart home control systems, and industrial automation control systems. Version Comparison In comparison to the M5CoreS3, the M5CoreS3 SE lacks a camera (GC0308), proximity sensor (LCR-553ALS-WA), IMU (BMI270), or magnetic compass (BMM150). The M5CoreS3 SE features a medium grey finish, unlike the black-grey of the M5CoreS3, and its glass panel extends to the camera position. The DinBase accessory included in the original M5CoreS3 kit is not attached here. Hardware Peripheral M5CoreS3 M5CoreS3 SE Camera (GC0308) √ × Proximity Sensor (LTR-553ALS-WA) √ × IMU (BMI270) √ × Compass (BMM150) √ × RTC √ √ MIC √ √ SPEAKER √ √ PMIC (AXP2101) √ √ 16MB FLASH and 8MB PSRAM √ √ TOUCH √ √ Features Developed using the ESP32-S3, offering WiFi support with 16MB Flash and 8MB PSRAM Equipped with speakers and dual microphones Capacitive touch screen for easy interaction Includes a MicroSD card slot for expanded storage Protected with high-strength glass Supports OTG and CDC functions for versatile connections Low-power design powered by AXP2101 management chip Compatible with programming platforms like Arduino and UIFlow Includes 1 × M5CoreS3 SE Applications IoT development projects Various DIY project implementations Smart home automation systems Industrial control systems Specifications Resources Parameters MCU ESP32-S3 @ Xtensa LX7, 16MB FLASH and 8MB PSRAM, supports WiFi, OTG, and CDC functions Touch IPS LCD Screen 2.0" @ 320x240 ILI9342C Power Management Chip AXP2101 RTC BM8563 Speaker 16-bit I2S power amplifier chip AW88298 @ 1W Audio Decoding Chip ES7210 with dual microphone inputs Grove Output Maximum Current (Lithium Battery Powered) DC4.2V / 940mA Grove Output Maximum Current (USB Powered) DC5V / 680mA Power Dissipation Battery: Standby mode: DC4.2V / 104.64uA; Working mode: DC4.2V / 109.67mA USB power supply: Working mode: DC5V / 166.27mA Product Size 54 x 54 x 15.5 mm Package Size 133.4 x 95 x 21 mm Product Weight 38.4 g Package Weight 55.1 g I2C Address Chip ADDRESS AXP2101 ADDR 0x34 AW88298 ADDR 0x36 FT6336U ADDR 0x38 ES7210 ADDR 0x40 BM8563 ADDR 0x51 AW9523 ADDR 0x58 Schematics CoreS3-SE Schematics PDF Pin Map LCD Screen & MicroSD LCD Resolution: 320x240 MicroSD Specifications Supports MicroSD cards up to 16GB ESP32S3 Chip GPIO37 GPIO36 GPIO3 GPIO35 GPIO4 AW9523B AW9523B_P1_1 AXP2101 AXP2101_DCDO1 AXP2101_LX1 ILI9342C MOSI SCK CS DC RST BL PWR TF Card SPI_MOSI SPI_SCK SPI_MISO TF_CS CAP.TOUCH ESP32S3 Chip GPIO12 GPIO11 AW9523B_P1_2 AW9523B_P0_0 FT6336U I2C_SYS_SDA I2C_SYS_SCL TOUCH_INT TOUCH_RST Microphone & Amplifier ESP32S3 Chip GPIO12 GPIO11 AW9523B_P1_3 AW9523B_P0_2 GPIO34 GPIO33 GPIO13 GPIO0 ES7210 I2C_SYS_SDA I2C_SYS_SCL AW_INT AW_RST I2S_BCK I2S_WCK I2S_DATO MCLK AW88298 I2C_SYS_SDA I2C_SYS_SCL AXP Power LED AXP2101 AXP_CHG_LED Red LED RTC_VDD RTC ESP32S3 Chip GPIO12 GPIO11 AXP2101_IRQ BM8563 I2C_SYS_SDA I2C_SYS_SCL AXP_WAKEUP Internal I2C Connection ESP32S3 Chip GPIO12 GPIO11 AXP2101 I2C_SYS_SDA I2C_SYS_SCL BM8563 I2C_SYS_SDA I2C_SYS_SCL ES7210 I2C_SYS_SDA I2C_SYS_SCL AW88298 I2C_SYS_SDA I2C_SYS_SCL PORT Port Pin NOTE PORT-A (RED) G2/G1 I2C PORT-B (BLACK) G9/G8 GPIO PORT-C (BLUE) G18/G17 UART (RX/TX) Softwares Quick Start CoreS3 SE OpenAI Voice Assistant CoreS3 SE XiaoZhi Voice Assistant Arduino NOTE Please note that there are hardware differences between M5CoreS3 SE and M5CoreS3. Code from the library files involving the camera, proximity sensor, IMU, and magnetic sensor are not applicable to the M5CoreS3 SE. M5CoreS3 SE Arduino Library Platform.IO M5CoreS3 SE User Demo (pio) Easyloader Easyloader Download Link Notes CoreS3 SE Factory Firmware Easyloader Download / I2C Communication Addresses Chip ADDRESS AXP2101 ADDR 0x34 AW88298 ADDR 0x36 FT6336U ADDR 0x38 ES7210 ADDR 0x40 BM8563 ADDR 0x51 AW9523 ADDR 0x58
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