MG84FL54BD Datasheet, PDF (1/113 Pages) Megawin Technology Co., Ltd – Four and half configurable I/O ports

MG84FL54B
Full-Speed USB micro-controller
Features
z 1-T 8051 CPU Core
z 16K bytes of on-chip Flash program memory with ISP/IAP function
z 256 bytes internal scratch-pad RAM and 576 bytes on-chip expanded RAM (XRAM)
z Dual DPTR (Data Pointer register)
z Four and half configurable I/O ports
z Three 16-bits Timers
z Enhanced UART
z Two-priority-level interrupt structure
z Four external interrupts, INT0, INT1, INT2 and INT3
z Keypad interrupt (P0)
z Wake-up from power-down mode and idle mode
z Serial Peripheral Interface (SPI)
z 2-wire Serial Interface (TWSI)
z One-time-enabled Watch-dog Timer (WDT)
z Programmable system clock
z USB specification 2.0 and 1.1 compliant
- Built in full speed (12Mbps) USB transceiver
- Intel 8X931 like USB control flow
- One 256 bytes FIFO for USB endpoint-shared buffer
¾ Maximum 64 bytes data for EP0 control-in/out buffer
¾ Maximum 64 bytes data for EP1 bulk/interrupt-in buffer
¾ 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.
¾ 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.
- Supports USB suspend/resume and remote wake-up event
- Firmware-controlled USB connection/disconnection mechanism
- Support USB DFU (Device Firmware Update)
z Power saving modes
- Idle mode
- Power-down mode
z Operating voltage
- 2.4 ~ 5.5V on VDD_IO, 2.7V ~ 3.6V on VDD_CORE and VDD_PLL, 3.0V~3.6V on VDDA.
z Operating temperature
- Industrial (-40°C to +85°C)*
z Maximum operating frequency
- Up to 25MHz, Industrial range
z Flash Quality criterion:
- Flash data endurance: 20K erase/write cycles
This document contains information on a new product under development by Megawin. Megawin reserves the right to change or discontinue this product
without notice.
© Megawin Technology Co., Ltd. 2014 All rights reserved.
2014/03. version A4