mg84fl54b Megawin Technology, mg84fl54b Datasheet - Page 5
![no-image](/images/no-image-200.jpg)
mg84fl54b
Manufacturer Part Number
mg84fl54b
Description
Full-speed Usb Micro-controller
Manufacturer
Megawin Technology
Datasheet
1.MG84FL54B.pdf
(94 pages)
- Current page: 5 of 94
- Download datasheet (2Mb)
2. Features
*: Tested by sampling.
MEGAWIN
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
Additional external interrupts, INT2 and INT3
Keypad interrupt (P0)
Wake-up from power-down 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
Flash Quality criterion:
2-level code protection: SB (code scrambled) & LOCK (code locked)
Package: LQFP-48
- 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
- Software-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.
- Built-in Low-Voltage Reset circuit.
- Industrial (-40°C to +85°C)*
- Up to 24MHz, Industrial range
- Flash data endurance: 20K erase/write cycles
- Flash data retention: 100 years under room temperature
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.
MG84FL54B Data sheet
5
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