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CH541 - USB MCU

Features

  • 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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Datasheet preview – CH541

Datasheet Details

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

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Full PDF Text Transcription

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CH543 Datasheet http://wch.cn USB PD MCU CH543/CH542, USB MCU CH541/CH540 Datasheet Version: 1C http://wch.cn 1. Overview CH543 is a USB and USB PD enhanced E8051 core MCU compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions, and the average instruction speed is 8 to 15 times faster than that of the standard MCS51. CH543 supports up to 48 MHz system clock frequency, with built-in 16 K Flash-ROM, 256-byte internal iRAM and 256-byte on-chip xRAM. xRAM supports direct memory access (DMA). CH543 provides a built-in USB Power Delivery controller and PD BMC PHY transceiver. CH543 supports USB type C, BC, PD2.0, and PD3.0, and supports 12V high-voltage power. It can act as PMIC used for power management, Sink, Source and DRP.
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