參數(shù)資料
型號(hào): M308B8SGP
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 32 MHz, MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁(yè)數(shù): 33/70頁(yè)
文件大?。?/td> 1150K
代理商: M308B8SGP
39
XMEGA D4 [DATASHEET]
8135P–AVR–01/2014
21.
SPI – Serial Peripheral Interface
21.1 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
21.2 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.
相關(guān)PDF資料
PDF描述
M308B8FCGP 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP144
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