I'm Tomu

A family of devices which fit inside your USB port!

Name Bomu (?) Comu (?) Fomu (EVT1) Fomu (Hacker) Fomu (PVT1) Lomu (?) Qomu (?) Somu (?) Tomu (Production) Tomu (Self Made) Womu (?)
Manufacturer ? ? Kosagi Tim 'mithro' Ansell Kosagi ? QuickLogic Solokeys Kosagi You! Femto
Status Idea Idea EOL EOL For sale Idea Development Crowdfunding For sale NA Development
        Buy now!     Back now! Buy now!    

Microprocessor

Architecture ARM ? RISC-V RISC-V RISC-V ? ARM ARM ARM ARM Xtensa
Manufacturer Nordic? ? SpinalHDL SpinalHDL SpinalHDL ? QuickLogic STM Silabs Silabs Espressif
Part nRF52840 ? VexRISC-V VexRISC-V VexRISC-V ? EOS S3 STM32L432KC EFM32HG309 EFM32HG309 ESP32-D2WD
Datasheet
Class ARM Cortex-M4 ? ? ? ? ? ARM Cortex-M4F ARM Cortex-M4F ARM Cortex-M0+ ARM Cortex-M0+ ?
Frequency 64 MHz (Max) 0 MHz (Max) 12 MHz (Max) 12 MHz (Max) 12 MHz (Max) 0 MHz (Max) 80 MHz (Max) 80 MHz (Max) 24 MHz (Max) 24 MHz (Max) 240 MHz (Max)
Benchmarks 3 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 3 CoreMark/MHz, 1 DMips/MHz 3 CoreMark/MHz, 1 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 0 DMips/MHz 0 CoreMark/MHz, 3 DMips/MHz

Storage

Memory 256 kilobytes 0 kilobytes 128 kilobytes 128 kilobytes 128 kilobytes 0 kilobytes 512 kilobytes 64 kilobytes 8 kilobytes 8 kilobytes 536 kilobytes
Flash 1024 kilobytes 0 kilobytes 0 kilobytes 2048 kilobytes 2048 kilobytes 0 kilobytes 16384 kilobytes 256 kilobytes 64 kilobytes 64 kilobytes 0 kilobytes

Toolchain Support

Bare Metal C ? (GCC: ?, LLVM: ?) ? (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) ? (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) Yes (GCC: ?, LLVM: ?) ? (GCC: ?, LLVM: ?)
Embedded Rust ? ? Yes Yes Yes ? ? Yes! ? ? ?

Software Support

? ? Yes Yes Yes ? Yes ? In Progress? In Progress? ?
? ? Yes Yes Yes ? ? ? No No Yes
? ? In Progress In Progress In Progress ? ? ? No No ?
? ? ? ? ? ? Yes ? No No ?

Emulation Support

? ? Not Yet Not Yet Not Yet ? ? ? Maybe? Maybe? ?
? ? In Progress In Progress In Progress ? Yes ? Maybe? Maybe? ?
? ? Yes Yes Yes ? ? ? No No ?

Security Key Support

U2F ? ? Not Yet Not Yet Not Yet ? ? Yes Yes Yes ?
FIDO2 ? ? Not Yet Not Yet Not Yet ? Not Yet Yes Maybe? Maybe? ?
Secure Key Storage ? ? ? ? ? ? ? ? ? ? ?

Crypto

Crypto Acceleration ? ? User User User ? User none AES? AES? ?
Hardware Random Number Generator ? ? No No No ? No Yes No No ?

Links

Schematics Link Link Link Link Link Link Link Link Link Link Link
Bootloader Code Link Link Link Link Link Link Link Link Link Link Link
Quick Start Code Link Link Link Link Link Link Link Link Link Link Link