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8024A–AVR–04/08
ATmega8HVA/16HVA
18. SPI – Serial Peripheral Interface
18.1
Features
Full-duplex, Three-wire Synchronous Data Transfer
Master or Slave Operation
LSB First or MSB First Data Transfer
Seven Programmable Bit Rates
End of Transmission Interrupt Flag
Write Collision Protection Flag
Wake-up from Idle Mode
Double Speed (CK/2) Master SPI Mode
18.2
Overview
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between the
ATmega8HVA/16HVA and peripheral devices or between several AVR devices.
enable SPI module.
Figure 18-1. SPI Block Diagram
Note:
SPI2X
DIVIDER
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