Rainbow-electronics ATtiny861_V Manual de usuario descargar pdf (Pagina 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)

012x

104x

118x

Table 16-15. Timer/Counter1 Prescaler Select

CS13 CS12 CS11 CS10 Asynchronous Clocking Mode Synchronous Clocking Mode

0000T/C1 stopped T/C1 stopped

0001PCK CK

0010PCK/2 CK/2

0011PCK/4 CK/4

0100PCK/8 CK/8

0101PCK/16 CK/16

0110PCK/32 CK/32

0111PCK/64 CK/64

1000PCK/128 CK/128

1001PCK/256 CK/256

1010PCK/512 CK/512

1011PCK/1024 CK/1024

1100PCK/2048 CK/2048

1101PCK/4096 CK/4096

1110PCK/8192 CK/8192

1111PCK/16384 CK/16384

Bit 76543210

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 00000000

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 235 236

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Rainbow-electronics ATtiny861_V Manual de usuario Pagina 117