atxmega128a4-mu ATMEL Corporation, atxmega128a4-mu Datasheet - Page 30
atxmega128a4-mu
Manufacturer Part Number
atxmega128a4-mu
Description
Atxmega16a4 8/16-bit Avr Xmega Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.ATXMEGA128A4-MU.pdf
(58 pages)
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19. SPI - Serial Peripheral Interface
19.1
19.2
30
Features
Overview
ATxmega A4
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The Serial Peripheral Interface (SPI) allows high-speed synchronous data transfer between dif-
ferent devices. Devices can communicate using a master-slave scheme, and data are
transferred both to and from the devices simultaneously.
PORTC and PORTD each have one SPI. Notation of these peripherals are SPIC and SPID.
2 Identical SPI peripherals
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
8069A–AVR–02/08
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