mg84fl54 Megawin Technology, mg84fl54 Datasheet

mg84fl54

Manufacturer Part Number

mg84fl54

Description

Full-speed Usb Micro-controller

Manufacturer

Megawin Technology

Datasheet

1.MG84FL54.pdf (113 pages)

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Features

This document contains information on a new product under development by Megawin. Megawin reserves the right to change or discontinue this product

without notice.

1-T 8051 CPU Core

16K bytes of on-chip Flash program memory with ISP/IAP function

256 bytes internal scratch-pad RAM and 576 bytes on-chip expanded RAM (XRAM)

Dual DPTR (Data Pointer register)

Four and half configurable I/O ports

Three 16-bits Timers

Enhanced UART

Two-priority-level interrupt structure

Four external interrupts, INT0, INT1, INT2 and INT3

Keypad interrupt (P0)

Wake-up from power-down mode and idle mode

Serial Peripheral Interface (SPI)

2-wire Serial Interface (TWSI)

One-time-enabled Watch-dog Timer (WDT)

Programmable system clock

USB specification 2.0 and 1.1 compliant

Power saving modes

Operating voltage

Operating temperature

Maximum operating frequency

- Built in full speed (12Mbps) USB transceiver

- Intel 8X931 like USB control flow

- One 256 bytes FIFO for USB endpoint-shared buffer

- Supports USB suspend/resume and remote wake-up event

- Firmware-controlled USB connection/disconnection mechanism

- Support USB DFU (Device Firmware Update)

- Idle mode

- Power-down mode

- 2.4 ~ 5.5V on VDD_IO, 2.7V ~ 3.6V on VDD_CORE and VDD_PLL, 3.0V~3.6V on VDDA.

- Industrial (-40°C to +85°C)*

- Up to 25MHz, Industrial range

Maximum 64 bytes data for EP0 control-in/out buffer

Maximum 64 bytes data for EP1 bulk/interrupt-in buffer

Maximum 64 bytes data for EP2 bulk/interrupt/isochronous-in buffer, it could be configured to two 32

bytes dual-buffer-mode in bulk and isochronous operating.

Maximum 64 bytes data for EP3 bulk/interrupt/isochronous-out buffer, it could be configured to two 32

bytes dual-buffer-mode in bulk and isochronous operating. Additionally, it also can be configured to an

interrupt-in buffer on EP3 function.

Full-Speed USB micro-controller

MEGAWIN

MG84FL54B

2009/09. version A3

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