Ai-Thinker Technology ESP32-A1S, Manual, Page: 6 / 18

ESP32-A1S SoC module
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Copyright © 2020 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved
Characteristics
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Ultra-small 802.11b/g/n Wi-Fi + BT SoC module
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Using low-power dual-core 32-bit CPU, can be used as an application processor
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The main frequency is up to 240MHz, and the computing power is up to 600DMIPS
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Built-in 520KB SRAM, External 4MPSRAM
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Support UART/SPI/I2C/PWM/ADC/DAC
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Adopt SMD-38package, which is convenient for welding and testing
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Built-in CodeC audio decoder chip, can support music playback and recording
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Support multiple sleep modes, the minimum deep sleep current can reach 6.5uA
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Support STA/AP/STA+AP operating mode
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Support Smart Config/AirKiss one-click distribution network
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Common AT command can be used easy and quick
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Support serial port local upgrade and remote firmware upgrade (FOTA)
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Embedded Lwip and FreeRTOS
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Support a variety of mainstream compression and lossless audio formats, including M4A, AAC,
FLAC, OGG, OPUS, MP3, etc.
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Support Wi-Fi, BT-audio, DLNA, Line-in and other audio source input