AT90RF135602 ATMEL, AT90RF135602 Datasheet - Page 11

• Manufacturer Part Number: AT90RF135602
• Description: INTEGRATED 13.56 MHz CONTACTLESS READER WITH EMBEDED SOFTWARE
• Manufacturer: ATMEL

SPI Interface Protocol
Serial Peripheral
Interface – SPI
Features
Figure 6. SPI Block Diagram
4407A–SCR–04/05
/2/4/8/16/32/64/128
DIVIDER
clk
IO
The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer
between the AT90RF135602 and peripheral devices or between several AVR devices.
The AT90RF135602 SPI includes the following features:
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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 Flag Protection
Wake-up from Idle Mode
Double Speed (CK/2) Master SPI Mode
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