參數資料
型號: S80C32-L16D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數: 82/143頁
文件大?。?/td> 4602K
代理商: S80C32-L16D
43
XMEGA A3BU [DATASHEET]
8362F–AVR–02/2013
24.
SPI – Serial Peripheral Interface
24.1
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
24.2
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.
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