18.4.9 DDRD – The Port D Data Direction Register
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.
Name: | DDRD |
Offset: | 0x11 |
Reset: | 0x00 |
Property: | When addressing I/O Registers as data space the offset address is 0x31 |
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 |