Rainbow-electronics ATmega64C1 Uživatelský manuál stáhnout pdf (Strana 88)

100

101

7647A–AVR–02/08

ATmega32/64/M1/C1

Timer 1 capture function has two possible inputs ICP1A (PD4) and ICP1B (PC3). The selection

is made thanks to ICPSEL1 bit as described in Table 11-1.

• Bit 0 – PSRSYNC: Prescaler Reset

When this bit is one, Timer/Counter1 and Timer/Counter0 prescaler will be Reset. This bit is nor-

mally cleared immediately by hardware, except if the TSM bit is set. Note that Timer/Counter1

and Timer/Counter0 share the same prescaler and a reset of this prescaler will affect both

timers.

Table 11-1. ICPSEL1

ICPSEL1 Description

0 Select ICP1A as trigger for timer 1 input capture

1 Select ICP1B as trigger for timer 1 input capture

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 365 366

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