Quickfilter QF4A512-PA Spezifikationen PDF herunterladen (Seite 14)

DATA SHEET QF4A512

Rev D4, Dec 07 14 www.quickfiltertech.com

5. STARTUP

The behavior of the QF4A512 during power up or after a reset can be determined by the configuration of 2 bits in the STARTUP_1

register. The auto_config bit, if set, will initiate transfer of EEPROM contents to the control registers and FIR filter coefficient RAMs.

The auto_start bit will determine whether the chip starts in Run mode, filtering and sending data out on the SPI bus (auto_start=1), or

the chip will wait in configure mode until manually started (auto_start=0).

If the auto_config bit is not set, the chip will wait in configure mode until externally programmed.

5.1 Power up / Reset Sequence

Figure 3. Power up / Reset Sequence

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 66 67

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Quickfilter QF4A512-PA Spezifikationen Seite 14