M0519LE3AE datasheet(38/69 Pages) ETC2

38 / 69 page

M0519

Nov. 02, 2016

Page 38 of 69

Rev 1.02

Flash Memory Controller (FMC)

6.4

6.4.1

Overview

The NuMicro

® M0519 Series is equipped with 128/64 KB on-chip embedded flash for application

program memory (APROM) and data flash, and with 8K bytes for ISP loader program memory

(LDROM) that could be programmed boot loader to update APROM and data flash through In

System Programming (ISP) procedure. ISP function enables user to update embedded flash

when chip is soldered on PCB. After chip is powered on, Cortex

® -M0 CPU fetches code from

APROM or LDROM decided by boot select CBS (Config0[7:6]). By the way, the NuMicro

® M0519

Series also provides data flash for user to store some application dependent data before chip

power off. For 128 KB APROM device, the data flash is shared with original 128 KB program

memory and its start address is configurable in Config1. For 64 KB APROM device, the data flash

is fixed at 4K bytes.

6.4.2

Features



Runs up to 72 MHz and optional up to 50 MHz with zero wait state for continuous address

read access



Supports 512 bytes page erase for all embedded flash



Supports 128/64 Kbytes application program ROM (APROM)



Supports 8 KB loader ROM (LDROM)



Supports 4KB data flash for 64 Kbytes APROM device



Supports configurable data flash size for 128KB APROM device



Supports 8 bytes User Configuration block to control system initiation



Support In-System-Programming (ISP) / In-Application-Programming (IAP) to update

embedded flash memory

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