ATmega32 microcontroller has two fuse bytes namely high fuse and low fuse. Both of them are 8 bits. The default value of ATmega32 fuse bit is 0x99E1 i.e. high fuse =0x99 and low fuse =0xE1.23 may 2012
What is use of Bodlevel bit in fuse byte?
BODLEVEL (Brown-Out Detection Level) This fuse bit is used to set trigger level for BOD unit. The trigger voltage is set as 2.7 volts, if the BODLEVEL bit is unprogrammed (1). If this fuse bit is programmed (0), the trigger level is set to 4.0 volts.28 mar 2011
Fuse bits, also known as fuses or configuration bits, are settings made in microcontrollers to control certain operations that are not normally changed during the execution of the program code.3 ago 2017
What is fuse bits in AVR?
Every AVR microcontroller, from the ATtiny in your thermostat to the ATMega in your Arduino, stores its configuration in a series of fuse bits. These fuse bits control settings such as the multiplier of the internal oscillator (and thus the speed of the chip), or if the reset pin can be used as a GPIO pin.30 ago 2012
What are fuses in MCU?
All modern Atmel and Microchip microcontrollers store the "fuse bits" in nonvolatile memory cells -- physically the same as SLC flash cells. When you use a chip programmer to download a new program into the microcontroller program Flash memory, it also erases and re-programs those fuse bit memory cells.
What does fuse mean in AVR?
AVR® Fuses are the locations in non-volatile memory that define the hardware configuration of an AVR device. Fuses are placed in a select section of memory and consist of a few registers. Each bit of the register represents a different fuse setting.