Data Sheet

Table Of Contents

EMC328x Series Wireless Module Data Manual

Characteristic

System and storage

⚫ Processor

▪ Dual Core Processor

▪ KM4: Adopt ARM's latest v8M architecture, compatible with Cortex-M4F instruction set

▪ KM4: Adopt ARM's latest v8M architecture, compatible with Cortex-M0 instruction set

▪ Two cores have equal access to SRAM, peripherals and registers

▪ Internal communication between two processors

⚫ KM4 Processor

▪ Compatible with Cortex-M4F instruction set, supporting FPU, DSP, MPU and TrustZone-M

technology

▪ Operating frequency up to 200MHz (configurable)

▪ SWD serial debugging interface, support 8 hardware breakpoints and 4 observation points (SWO

interface function is not supported)

▪ Built-in NVIC interrupt vector table

▪ System timer System tick timer.

▪ 32KB I-Cache and 4KB D-Cache.

⚫ K04 Processor

▪ Compatible with Cortex-M0 instruction set

▪ Operating frequency up to 20MHz

▪ Built-in NVIC interrupt vector table

▪ SWD serial debugging interface, supporting 4 hardware breakpoints and 2 observation points

(SWO interface function is not supported)

▪ System timer System tick timer.

▪ 32KB I-Cache and 4KB D-Cache

⚫ KM4 CPU On-Chip memory

▪ Up to 512KB of continuous space main SRAM with a frequency of 200MHz

▪ (Specific models) can choose up to 4MB PSRAM, frequency up to 50MHz50MHz, 8bit DDR

(specific models)

⚫ KM4 CPU On-Chip memory

▪ Up to 64KB continuous space main SRAM with a frequency of 64MHz

▪ Reserve 1KB SRAM for saving data in low power mode

⚫ GDMA

▪ KM4 and KM0 both contain a GDMA controller.