Datasheet

23.5.6 SPI Data Register 1
Name: SPDR1
Offset: 0xAE [ID-000004d0]
Reset: 0xXX
Bit 7 6 5 4 3 2 1 0
SPID1[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset x x x x x x x x
Bits 7:0 – SPID1[7:0] SPI Data 1
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 register causes the Shift
Register Receive buffer to be read.
ATmega328PB
SPI – Serial Peripheral Interface
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001906C-page 261