Datasheet

18.4.9 DDRD – The Port D Data Direction Register
Name:  DDRD
Offset:  0x11
Reset:  0x00
Property:  When addressing I/O Registers as data space the offset address is 0x31
When using the I/O specific commands IN and OUT, the I/O addresses 0x00 - 0x3F must be used. When
addressing I/O Registers as data space using LD and ST instructions, 0x20 must be added to these offset
addresses.
Bit 7 6 5 4 3 2 1 0
DDDn[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bits 7:0 – DDDn[7:0] Port D Data Direction [n = 7:0]
AVR 8-Bit Microcontroller
I/O Ports
© 2017 Microchip Technology Inc.
Datasheet Complete
40001974A-page 102