PCF8563

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CLKOUT frequency register

Table 20 CLKOUT frequency register bits description(address 0DH)

Table 21 CLKOUT frequency selection

Countdown timer registers

The Timer register is an 8-bit binary countdown timer. It is enabled and disabled via the

Timer control register bit TE. The source clock for the timer is also selected by the Timer

control register. Other timer properties, e.g. interrupt generation, are controlled via the

SCL must be operating at a frequency of at least twice the selected timer clock.

Table 22 Timer control register bits description (address 0EH)

Table 23 Timer source clock frequency selection