m5stack STM32G030F6P6 Voice Pyramid Smart Speaker Base without M5Atom

AI context

Dense context for pasting into a model prompt — addresses, pinout, voltages, tolerances and the vendor's reference circuit.

BOARD: M5Stack Voice Pyramid, SKU A167, an 83.6 x 83.6 x 56.7 mm pyramid-shaped smart-speaker base weighing 100.7 g that carries the audio front end and lights but no application processor - the "without M5Atom" in its name means the host Atom controller is bought separately and plugs into the 9-pin interface on top. It contains an STM32G030F6P6 microcontroller that runs the base itself (touch, LEDs, codec setup), an ES8311 audio codec, an ES7210 audio ADC, an LMA3729T381-0Y3S microphone, an AW87559 amplifier, an SI5351 clock generator, 28 WS2812 RGB LEDs arranged as four bars of seven, and dual-side touch-slider zones with four detection points, two per side. Powered from DC 5 V.
ADDRESSES: the base puts five devices on one I2C bus, all at fixed addresses - SI5351 clock generator 0x60, ES8311 codec 0x18, ES7210 ADC 0x40, STM32G030F6P6 0x1A and AW87559 amplifier 0x5B. The host controller talks to all five over the single SCL/SDA pair on the interface, so each must be addressed by its own number.
PINOUT: 9 pads on the Atom-form interface, numbered left and right columns the way M5Stack prints it: pad 1 = 3V3, pad 2 = SCL, pad 3 = I2S_DOUT, pad 4 = SDA, pad 5 = I2S_SCLK, pad 6 = 5V, pad 7 = I2S_DIN, pad 8 = GND, pad 9 = I2S_LRCK. All nine are labelled; the interface carries power, one I2C bus and one full-duplex I2S port. A separate HY2.0-4P PORT.A socket is also fitted and wired GND (Black), 5V (Red), SCL (Yellow), SDA (White), i.e. the standard M5Stack PORT.A I2C pinout, not a custom one.
SUPPLY: 5 V in on pad 6 (and on the PORT.A 5 V wire). The vendor measures 14.92 mA standby with no controller connected and 578.47 mA operating at maximum volume with a controller attached, so the 5 V feed has to supply over half an amp at full volume. The STM32G030F6P6 itself is a 2.0 V to 3.6 V part and runs here from the 3.3 V rail that the board makes.
LOGIC LEVEL: 3.3 V on SCL, SDA, the three I2S clocks and the 3V3 pad; the 5V pad is power, not a logic line. The STM32G030 is rated -40 to +85 degrees C, while M5Stack rates the assembled base at -10 to +60 degrees C, so the base's rating is the one that applies.
REFERENCE CIRCUIT: nothing to add - the codec, ADC, microphone, amplifier, clock generator and LEDs are all on the board and the interface only needs power plus I2C and I2S from the host. From the vendor's own cross-reference tables: SI5351 CLK1 drives ES7210 I2S_MCLK_ADC and ES8311 I2S_MCLK_DAC, so the clock generator is what feeds both audio devices rather than the host; ES8311 has SCLK, LRCK and DSDIN on the shared I2S lines, ES7210 has SCLK, LRCK and ASDOUT on them, and I2S_DOUT and I2S_DIN are the two directions of that same port. AW87559's SPK_RST comes from STM32 PB7. NEOPIXEL1's DIN is on PA6 and NEOPIXEL2's DIN on PA7. The four touch points are TP_1 on PA0, TP_2 on PA1, TP_3 on PA4 and TP_4 on PA5.
TRAPS: the base is not a computer - without an Atom-shaped controller in the socket there is no WiFi, no application code and no audio source, and the package contains only the base. Five I2C devices share one bus at fixed addresses, so an added sensor must not use any of 0x18, 0x1A, 0x40, 0x5B or 0x60. The board's I2S port uses M5Stack's own ordering: DOUT is the base's output to the host, DIN is the host's data into the base, which is the reverse of what a codec-centric silkscreen would suggest. Speaker volume is set through the AW87559/ES8311 path over I2C, not by a pin. The two touch zones are per-side sliders, so the four points give position along each side, not four discrete buttons.