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Find my MCU.

Filter the catalogue by what your product actually needs — core class, memory budget, radio, vendor. Curated to surface the realistic picks, not every SKU. Click through to the deep dive.

Core family
Wireless
Must have
Vendor
Min flash · any
Min RAM · any
Max unit price · any

28 matches

sorted by price · low → high
  • STM32C011

    STM32C0 · STMicro

    Lowest-cost STM32, 8-bit replacement class.

    $0.30
    qty 1k
    Core
    Cortex-M0+
    Clock
    48 MHz
    Flash
    32 KB
    RAM
    6 KB
    Pins
    20–32
    Power
    Low
    Wireless
    wired only
    Features
    —
  • STM32G030

    STM32G0 · STMicro

    Modern mainstream entry STM32.

    $0.80
    qty 1k
    Core
    Cortex-M0+
    Clock
    64 MHz
    Flash
    64 KB
    RAM
    8 KB
    Pins
    20–64
    Power
    Low
    Wireless
    wired only
    Features
    USB
  • RP2040

    RP2040 · Raspberry Pi

    Dual-M0+ with PIO. No internal flash; needs external QSPI.

    $1.00
    qty 1k
    Core
    Cortex-M0+
    Clock
    133 MHz
    Flash
    external
    RAM
    264 KB
    Pins
    30
    Power
    General
    Wireless
    wired only
    Features
    USB
  • RP2350

    RP2350 · Raspberry Pi

    M33 + Hazard3 RISC-V (switchable), PIO ×12, TrustZone.

    $1.50
    qty 1k
    Core
    Cortex-M33
    Clock
    150 MHz
    Flash
    external
    RAM
    520 KB
    Pins
    30–47
    Power
    General
    Wireless
    wired only
    Features
    TrustZone · USB
  • NRF52810

    nRF52 · Nordic

    Cost-optimised BLE for sensor tags.

    $2.00
    qty 1k
    Core
    Cortex-M4
    Clock
    64 MHz
    Flash
    192 KB
    RAM
    24 KB
    Pins
    32–48
    Power
    Ultra-low
    Wireless
    ble
    Features
    —
  • ESP32-C6

    ESP32-C6 · Espressif

    Wi-Fi 6 + BLE + Thread/Matter. RISC-V actually, listed for completeness.

    $2.00
    qty 1k
    Core
    Cortex-M4
    Clock
    160 MHz
    Flash
    4096 KB
    RAM
    512 KB
    Pins
    30
    Power
    Low
    Wireless
    wifi · ble · thread · matter · 802.15.4
    Features
    Crypto
  • STM32F103

    STM32F1 · STMicro

    Classic legacy mid-range. Still ships in volumes.

    $2.50
    qty 1k
    Core
    Cortex-M3
    Clock
    72 MHz
    Flash
    128 KB
    RAM
    20 KB
    Pins
    36–144
    Power
    General
    Wireless
    wired only
    Features
    USB · CAN
  • EFM32PG23

    EFM32 PG23 · Silicon Labs

    Energy-friendly Series 2 — sub-µA sleep.

    $3.00
    qty 1k
    Core
    Cortex-M33
    Clock
    80 MHz
    Flash
    512 KB
    RAM
    64 KB
    Pins
    32–48
    Power
    Ultra-low
    Wireless
    wired only
    Features
    FPU · TrustZone · Crypto
  • SAMD21

    SAM D21 · Microchip

    Hobbyist favourite — Adafruit Feather class.

    $3.00
    qty 1k
    Core
    Cortex-M0+
    Clock
    48 MHz
    Flash
    256 KB
    RAM
    32 KB
    Pins
    32–64
    Power
    Low
    Wireless
    wired only
    Features
    USB
  • NRF52840

    nRF52 · Nordic

    The default high-end BLE chip. Powers a billion-plus devices.

    $4.00
    qty 1k
    Core
    Cortex-M4F
    Clock
    64 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    48–73
    Power
    Ultra-low
    Wireless
    ble · 802.15.4 · thread · mesh
    Features
    FPU · USB · Crypto
  • LPC55S28

    LPC55 · NXP

    M33 + PowerQuad DSP coprocessor.

    $4.00
    qty 1k
    Core
    Cortex-M33
    Clock
    150 MHz
    Flash
    512 KB
    RAM
    256 KB
    Pins
    49–100
    Power
    General
    Wireless
    wired only
    Features
    FPU · TrustZone · USB · CAN-FD · Crypto
  • STM32F411

    STM32F4 · STMicro

    The M4 workhorse — biggest ecosystem of any STM32.

    $4.50
    qty 1k
    Core
    Cortex-M4F
    Clock
    100 MHz
    Flash
    512 KB
    RAM
    128 KB
    Pins
    48–100
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · USB
  • EFR32MG24

    EFR32MG24 · Silicon Labs

    Matter / Thread flagship — used in connected-lighting & locks.

    $4.50
    qty 1k
    Core
    Cortex-M33
    Clock
    78 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    40–64
    Power
    Ultra-low
    Wireless
    ble · 802.15.4 · thread · matter · mesh
    Features
    FPU · DSP · TrustZone · Crypto
  • STM32WB55

    STM32WB · STMicro

    Dual-core BLE / Thread / Zigbee STM32.

    $5.00
    qty 1k
    Core
    Cortex-M4F
    Clock
    64 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    48–100
    Power
    Low
    Wireless
    ble · 802.15.4 · thread
    Features
    FPU · USB · Crypto
  • RA6M4

    RA6 · Renesas

    Mainstream M33 with strong networking.

    $5.00
    qty 1k
    Core
    Cortex-M33
    Clock
    200 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    64–144
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · TrustZone · USB · Ethernet · CAN-FD · Crypto
  • CC2652R

    SimpleLink · TI

    TI's BLE + Thread/Zigbee wireless MCU.

    $5.50
    qty 1k
    Core
    Cortex-M4F
    Clock
    48 MHz
    Flash
    352 KB
    RAM
    80 KB
    Pins
    31–48
    Power
    Ultra-low
    Wireless
    ble · 802.15.4 · thread · matter · mesh
    Features
    FPU · DSP · Crypto
  • STM32U575

    STM32U5 · STMicro

    Modern secure low-power M33 — TrustZone-first.

    $6.00
    qty 1k
    Core
    Cortex-M33
    Clock
    160 MHz
    Flash
    2048 KB
    RAM
    786 KB
    Pins
    48–169
    Power
    Ultra-low
    Wireless
    wired only
    Features
    FPU · DSP · TrustZone · USB · Crypto
  • NRF5340

    nRF53 · Nordic

    Dual-M33 + BLE 5.4. Wearables & smart-home gateway class.

    $6.00
    qty 1k
    Core
    Cortex-M33
    Clock
    128 MHz
    Flash
    1024 KB
    RAM
    512 KB
    Pins
    48–76
    Power
    Ultra-low
    Wireless
    ble · 802.15.4 · thread · matter
    Features
    FPU · DSP · TrustZone · USB · Crypto
  • STM32G474

    STM32G4 · STMicro

    Motor-control flagship — HRTIM, CORDIC, FMAC.

    $6.50
    qty 1k
    Core
    Cortex-M4F
    Clock
    170 MHz
    Flash
    512 KB
    RAM
    128 KB
    Pins
    32–100
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · USB · CAN-FD
  • SAME54

    SAM E54 · Microchip

    Industrial M4F with Ethernet and CAN-FD.

    $6.50
    qty 1k
    Core
    Cortex-M4F
    Clock
    120 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    64–128
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · USB · Ethernet · CAN-FD · Crypto
  • IMXRT1062

    i.MX RT1060 · NXP

    Crossover MCU — 600 MHz M7, external QSPI, Linux-class perf.

    $7.00
    qty 1k
    Core
    Cortex-M7
    Clock
    600 MHz
    Flash
    external
    RAM
    1024 KB
    Pins
    144–196
    Power
    High-performance
    Wireless
    wired only
    Features
    FPU · DSP · Cache · TCM · USB · Ethernet · CAN-FD · Crypto
  • PSOC6

    PSoC 6 · Infineon

    Dual-core M4F + M0+ with programmable analogue.

    $8.00
    qty 1k
    Core
    Cortex-M4F
    Clock
    150 MHz
    Flash
    1024 KB
    RAM
    288 KB
    Pins
    64–124
    Power
    Low
    Wireless
    ble
    Features
    FPU · DSP · TrustZone · USB · Crypto
  • TM4C123

    Tiva-C · TI

    TI's mid-range M4 (formerly Stellaris).

    $10.00
    qty 1k
    Core
    Cortex-M4F
    Clock
    80 MHz
    Flash
    256 KB
    RAM
    32 KB
    Pins
    64–144
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · USB · CAN
  • XMC4700

    XMC4700 · Infineon

    Industrial motor-control M4F.

    $10.00
    qty 1k
    Core
    Cortex-M4F
    Clock
    144 MHz
    Flash
    2048 KB
    RAM
    352 KB
    Pins
    100–196
    Power
    General
    Wireless
    wired only
    Features
    FPU · DSP · USB · Ethernet · CAN · Crypto
  • STM32H723

    STM32H7 · STMicro

    High-perf M7 — caches, TCMs, Ethernet, 550 MHz.

    $12.00
    qty 1k
    Core
    Cortex-M7
    Clock
    550 MHz
    Flash
    1024 KB
    RAM
    564 KB
    Pins
    64–240
    Power
    High-performance
    Wireless
    wired only
    Features
    FPU · DSP · Cache · TCM · USB · Ethernet · CAN-FD · Crypto
  • RA8M1

    RA8M1 · Renesas

    First-gen M85, Helium for ML.

    $12.00
    qty 1k
    Core
    Cortex-M85
    Clock
    480 MHz
    Flash
    2048 KB
    RAM
    1024 KB
    Pins
    144–224
    Power
    High-performance
    Wireless
    wired only
    Features
    FPU · DSP · Helium · Cache · TCM · USB · Ethernet · CAN-FD · Crypto
  • NRF9160

    nRF91 · Nordic

    Cellular LTE-M / NB-IoT with integrated M33.

    $25.00
    qty 1k
    Core
    Cortex-M33
    Clock
    64 MHz
    Flash
    1024 KB
    RAM
    256 KB
    Pins
    30–60
    Power
    Low
    Wireless
    ble
    Features
    FPU · DSP · TrustZone
  • IMXRT700

    i.MX RT700 · NXP

    Cortex-M85 with NPU for edge ML inference.

    $25.00
    qty 1k
    Core
    Cortex-M85
    Clock
    325 MHz
    Flash
    external
    RAM
    7424 KB
    Pins
    100–290
    Power
    High-performance
    Wireless
    wired only
    Features
    FPU · DSP · Helium · Cache · TCM · USB · CAN-FD · Crypto