231
• Bits 7–5 (Reserved): Cannot be modified. Bit 7 is read as undefined. Bits 6 and 5 are always
read as 1. The write value to bit 7 should be 0 or 1, and the write value to bits 6 and 5 should
always be 1.
• Bit 4 (Count Start 4 (STR4)): STR4 starts and stops TCNT4.
Bit 4: STR4 Description
0 TCNT4 is halted (Initial value)
1 TCNT4 is counting
• Bit 3 (Count Start 3 (STR3)): STR3 starts and stops TCNT3.
Bit 3: STR3 Description
0 TCNT3 is halted (Initial value)
1 TCNT3 is counting
• Bit 2 (Count Start 2 (STR2)): STR2 starts and stops TCNT2.
Bit 2: STR2 Description
0 TCNT2 is halted (Initial value)
1 TCNT2 is counting
• Bit 1 (Count Start 1 (STR1)): STR1 starts and stops TCNT1.
Bit 1: STR1 Description
0 TCNT1 is halted (Initial value)
1 TCNT1 is counting
• Bit 0 (Count Start 0 (STR0)): STR0 starts and stops TCNT0.
Bit 0: STR0 Description
0 TCNT0 is halted (Initial value)
1 TCNT0 is counting