19.7.2 TCNT0 – Timer/Counter 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: TCNT0
Offset: 0x32
Reset: 0
Property: When addressing I/O Registers as data space the offset address is 0x52

Bit 76543210 
 TCNT0[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 7:0 – TCNT0[7:0]

The Timer/Counter Register gives direct access, both for read and write operations, to the Timer/Counter unit 8-bit counter.