Nonmetal Platforms

Chips based on the Nonmetal group are designed for embedded tasks. They always come without MMU and are designed for Zephyr RTOS.

Platforms are ordered by atomic number, which reflects their capability tier. Each platform is a strict superset of the one before it.

Feature Overview

H

C

N

O

P

S

Hydrogen

Carbon

Nitrogen

Oxygen

Phosphorus

Sulfur

CPU

I-Cache

D-Cache

Branch prediction

Out-of-order

Dual-issue

FPU

Privilege levels

M

M

M+U

M+U

M+U

M+U

Memory

On-chip SRAM

TCM

SPI Flash XIP

HyperRAM

Interconnect

Shared bus

Crossbar

DMA

Channels

TBD

TBD

TBD

TBD

Interrupt Controller

PLIC sources

Debug

JTAG

Trace

Power

Clock domains

1

1

TBD

TBD

TBD

TBD