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STV82X8 Folha de dados(PDF) 45 Page - STMicroelectronics |
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STV82X8 Folha de dados(HTML) 45 Page - STMicroelectronics |
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45 / 157 page ![]() 45/157 STV82x8 I²C Interface 11.2 Start-up and Configuration Change Procedure Figure 30: Flowchart Load Patch File HW_RESET bit = 1 (DSP RUN) (DSP inititialization) Device Configuration Set-up (Analog or Digital) HOST_RUN bit = 1 (Start DSP processing) (Change configuration) INIT_MEM bit = 0 (Registers 85h to FFh are not reset) Clock PLLs progammation (for oscillator values other than 27 MHz) =1 =0 (Registers FS1 and FS2) (By I²C transfer) (bit 2 in HOST_CMD register) (bit 0 in DSP_STATUS register) HOST_RUN bit = 0 (bit 0 in DSP_RUN register) HOST_NO_INIT bit = 1 (OPTIONAL) (bit 1 in DSP_RUN register) (Stop DSP processing) INIT_MEM bit ? Hardware Reset (by pin 43) Power ON NOTE: This HW reset after Power ON is mandatory to prevent incorrect device configuration. |
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