參數(shù)資料
型號: S80C52EXXX-16R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 66/134頁
文件大?。?/td> 3805K
代理商: S80C52EXXX-16R
37
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
21. SPI - Serial Peripheral Interface
21.1
Features
Three 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
21.2
Overview
The Serial Peripheral Interface (SPI) allows high-speed full-duplex, synchronous data transfer
between different devices. Devices can communicate using a master-slave scheme, and data is
transferred both to and from the devices simultaneously.
PORTC, PORTD, and PORTE each has one SPI. Notation of these peripherals are SPIC, SPID,
and SPIE respectively.
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