Unlock Microcontroller ATTINY45V Firmware

We can Unlock Microcontroller ATTINY45V Firmware, please view the Microcontroller ATTINY45V features for your reference:

· Bit 5:3 – Reserved Bits in MSPI mode

When in MSPI mode, these bits are reserved for future use. For compatibility with future devices, these bits must be written to zero when UCSRnC is written when Unlock Microcontroller.

· Bit 2 – UDORDn: Data Order

When set to one the LSB of the data word is transmitted first. When set to zero the MSB of the data word is transmitted first. Refer to the Frame Formats section page 4 for details if Unlock Microcontroller.

· Bit 1 – UCPHAn: Clock Phase

The UCPHAn bit setting determine if data is sampled on the leasing edge (first) or tailing (last) edge of XCKn. Refer to the SPI Data Modes and Timing section page 4 for details before Unlock Microcontroller.

· Bit 0 – UCPOLn: Clock Polarity

The UCPOLn bit sets the polarity of the XCKn clock. The combination of the UCPOLn and UCPHAn bit settings determine the timing of the data transfer. Refer to the SPI Data Modes and Timing section page 4 for details after Unlock Microcontroller.

The function and bit description of the baud rate registers in MSPI mode is identical to normal USART operation. See “USART Baud Rate Registers – UBRRLn and UBRRHn” on page 226 when Unlock Microcontroller.

The USART in MSPIM mode is fully compatible with the AVR SPI regarding:

Master mode timing diagram.

The UCPOLn bit functionality is identical to the SPI CPOL bit.

The UCPHAn bit functionality is identical to the SPI CPHA bit.

The UDORDn bit functionality is identical to the SPI DORD bit if Unlock Microcontroller.


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