參數(shù)資料
型號: MR80C32-20/883:D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 20 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 84/103頁
文件大?。?/td> 25028K
174
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
18.5.3
SPDR – SPI Data Register
The SPI Data Register is a read/write register used for data transfer between the Register File
and the SPI Shift Register. Writing to the register initiates data transmission. Reading the regis-
ter causes the Shift Register Receive buffer to be read.
Bit
7654
3210
MSB
LSB
SPDR
Read/Write
R/W
Initial Value
XXXXXXXX
Undefined
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