Port B Data Register

When addressing I/O Registers as data space using LD and ST instructions, the provided offset must be used. When using the I/O specific commands IN and OUT, the offset is reduced by 0x20, resulting in an I/O address offset within 0x00 - 0x3F.

Name:
PORTB
Offset:
0x25
Reset:
0x00
Access:
When addressing as I/O Register: address offset is 0x05
Bit76543210
PORTB7PORTB6PORTB5PORTB4PORTB3PORTB2PORTB1PORTB0
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Reset00000000

Bits 0, 1, 2, 3, 4, 5, 6, 7 – PORTB: Port B Data

Port B Data