Rainbow Electronics ATtiny861_V - Manual (Page 117)

117
2588B–AVR–11/06
ATtiny261/461/861
• Bits 3 .. 0 - CS13, CS12, CS11, CS10: Clock Select Bits 3, 2, 1, and 0
The Clock Select bits 3, 2, 1, and 0 define the prescaling source of Timer/Counter1.
The Stop condition provides a Timer Enable/Disable function.
16.11.3 TCCR1C – Timer/Counter1 Control Register C
• Bits 7,6 - COM1A1S, COM1A0S: Comparator A Output Mode, Bits 1 and 0
These bits are the shadow bits of the COM1A1 and COM1A0 bits that are described in the sec-
tion
”TCCR1A – Timer/Counter1 Control Register A” on page 113 .
Table 16-14. Division factors of the Dead Time prescaler
DTPS11 DTPS10 Prescaler divides the T/C1 clock by
0 0 1x (no division)
0 1 2x
1 0 4x
1 1 8x
Table 16-15. Timer/Counter1 Prescaler Select
CS13 CS12 CS11 CS10 Asynchronous Clocking Mode Synchronous Clocking Mode
0 0 0 0 T/C1 stopped T/C1 stopped
0 0 0 1 PCK CK
0 0 1 0 PCK/2 CK/2
0 0 1 1 PCK/4 CK/4
0 1 0 0 PCK/8 CK/8
0 1 0 1 PCK/16 CK/16
0 1 1 0 PCK/32 CK/32
0 1 1 1 PCK/64 CK/64
1 0 0 0 PCK/128 CK/128
1 0 0 1 PCK/256 CK/256
1 0 1 0 PCK/512 CK/512
1 0 1 1 PCK/1024 CK/1024
1 1 0 0 PCK/2048 CK/2048
1 1 0 1 PCK/4096 CK/4096
1 1 1 0 PCK/8192 CK/8192
1 1 1 1 PCK/16384 CK/16384
Bit 7 6 5 4 3 2 1 0
0x27 (0x47) COM1A1S COM1A0S COM1B1S COM1B0S COM1D1 COM1D0 FOC1D PWM1D TCCR1C
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0