Port B Input Pins Address

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:
PINB
Offset:
0x23
Reset:
N/A
Access:
When addressing as I/O Register: address offset is 0x03
Bit76543210
PINB7PINB6PINB5PINB4PINB3PINB2PINB1PINB0
AccessR/WR/WR/WR/WR/WR/WR/WR/W
Resetxxxxxxxx

Bits 0, 1, 2, 3, 4, 5, 6, 7 – PINB: Port B Input Pins Address

Port B Input Pins Address

Writing to the pin register provides toggle functionality for IO. Refer to Toggling the Pin.