Datasheet

14.4.4. 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
Property: When addressing as I/O Register: address offset is 0x03
Bit 7 6 5 4 3 2 1 0
PINB7 PINB6 PINB5 PINB4 PINB3 PINB2 PINB1 PINB0
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 – PINBn: Port B Input Pins Address [n = 7:0]
Writing to the pin register provides toggle functionality for IO. Refer to Toggling the Pin.
Atmel ATmega16M1/32M1/64M1 [DATASHEET]
Atmel-8209F-ATmega16M1/32M1/64M1_Datasheet_Complete-10/2016
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