AT90S2313
29
Figure 29. Timer/Counter 0 Block Diagram
Timer/Counter0 Control Register - TCCR0
•
Bits 7..3 - Res: Reserved bits
These bits are reserved bits in the AT90S2313 and always read zero.
•
Bits 2,1,0 - CS02, CS01, CS00: Clock Select0, bit 2,1 and 0
The Clock Select0 bits 2,1 and 0 define the prescaling source of Timer0.
Bit 76 5 4 3 210
$33 ($53) - - - - - CS02 CS01 CS00 TCCR0
Read/Write R R R R R R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
Table 7. Clock 0 Prescale Select
CS02 CS01 CS00 Description
0 0 0 Stop, the Timer/Counter0 is stopped.
001CK
010CK/8
011CK/64
100CK/256
101CK/1024
1 1 0 External Pin T0, falling edge
1 1 1 External Pin T0, rising edge
T0
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