参数资料
型号: BX80546PE2800E
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 2800 MHz, MICROPROCESSOR, CPGA478
封装: 1.27 MM PITCH, FLIP CHIP, MICRO PGA-478
文件页数: 35/80页
文件大小: 1845K
代理商: BX80546PE2800E
41
XMEGA C3 [DATASHEET]
8361D–AVR–07/2013
23.
SPI – Serial Peripheral Interface
23.1 Features
Two Identical SPI peripherals
Full-duplex, three-wire synchronous data transfer
Master or slave operation
Lsb first or msb first data transfer
Eight programmable bit rates
Interrupt flag at the end of transmission
Write collision flag to indicate data collision
Wake up from idle sleep mode
Double speed master mode
23.2 Overview
The Serial Peripheral Interface (SPI) is a high-speed synchronous data transfer interface using three or four pins. It
allows fast communication between an Atmel AVR XMEGA device and peripheral devices or between several
microcontrollers. The SPI supports full-duplex communication.
A device connected to the bus must act as a master or slave. The master initiates and controls all data transactions.
PORTC and PORTD each has one SPI. Notation of these peripherals are SPIC and SPID, respectively.
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