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MDR8F4

Supply voltage:
4.5V...5.5V (core)
3.0V...5.5V (16 of 24 user IO's)

Temperature range:
-40°С...+85°С

Packaging:
48-pin or 64-pin LQFP package


MDR8F4

MDR8F4 is a 8-bit high-performance RISC microcontroller with USB controller.

Microcontroller is intended for data storage equipment and communication hub based on USB interface.


Main features:

  • operating frequency up to 33 MHz
  • 58 one word instructions
  • 8x8 bit hardware multiplier per cycle
  • interrupt controller and 16-level deep hardware stack
  • direct, indirect and relative addressing modes
  • 64 KBytes (32Kx16 bit) of internal Flash program memory
  • in-circuit program memory programming
  • internal/external program memory execution
  • 128 KBytes (64Kx16 bit) total instruction address space
  • 902 Bytes (902x8 bit) of internal RAM data memory
  • 256 Bytes (256x8 bit) of internal EEPROM data memory
  • power on and brown out reset
  • watchdog timer
  • memory protected mode
  • power saving mode (SLЕЕР)
  • dynamic current consumption up to 80 mA


Peripheral features:

  • 16-bit timer/counter with 8-bit programmable prescaler
  • block encryption algorithm according to State Standard 28147-89 hardware controller
  • built-in voltage regulator (3.3V, 40 mA)
  • USB interface controller (full and low speed modes)
  • USB interface controller supports 4 endpoints
  • master and slave SPI interface controller
  • USARТ with programmable transmission rate
  • NAND FLASH memory controller
  • up to 24 user IO's


Headquarter: Georgievskiy prospekt, 5, Zelenograd, Moscow, 124498, Russia_ Phone: +7 (495).981-54-33_ Fax: +7 (495).981-54-36_ E-mail: info@milandr.ru
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