Register Writes - Analog Devices Blackfin ADSP-BF537 Hardware Reference Manual

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CLOCKED BY 1 Hz TICK

CLOCKED BY SCLK

Figure 18-2. RTC Register Architecture

Register Writes

Writes to all RTC MMRs, except the RTC interrupt status register

), are saved in write holding registers and then are synchro-

nized to the RTC 1 Hz clock. The write pending status bit in

indicates the progress of the write. The write pending status bit is set when

a write is initiated and is cleared when all writes are complete. The falling

edge of the write pending status bit causes the write complete flag in

to be set. This flag can be configured in

ADSP-BF537 Blackfin Processor Hardware Reference

Real-Time Clock