CH541 - USB MCU

Product Overview

Part number	CH541
Manufacturer	ETC
File Size	919.83 KB
Description	USB MCU
Datasheet	CH541 Datasheet
Additional preview pages of the CH541 datasheet.

l Core: Enhanced E8051 core, compatible with MCS51 instruction set, 79% of instructions are single-byte single-cycle instructions, and the average command speed is 8 to 15 times faster than that of the standard MCS51. Special XRAM data fast copy instruction, and double DPTR pointers. l ROM: 16KB nonvolatile memory Flash-ROM which supoorts 10K times of erase/write operations. All can be used for the program address space. Or it can be divided into a 14KB program address space, a 256B data address.

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Published: Nov 18, 2025 |