參數(shù)資料
型號: STV8227
廠商: 意法半導(dǎo)體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機
文件頁數(shù): 47/149頁
文件大小: 2775K
代理商: STV8227
47/149
STV82x7
I2C Interface
11.2
Start-up and Configuration Change Procedure
Figure 27: Flow chart
Load Patch File
HW_RESET bit = 1
(bit 2 in HOST_CMD register)
(DSP RUN)
(DSP inititialization)
Device Configuration Set-up
(analog or digital)
HOST_RUN bit = 1
(bit 0 in DSP_RUN register)
(start DSP processing)
(change configuration)
INIT_MEM bit = 0
(registers 85h to FFh are not reset)
Clock PLLs progammation
(for Crystal value different than 27 MHz)
=1
=0
(FS1 & FS2 registers)
(by I2C transfer)
(bit 0 in DSP_STATUS
register)
HOST_RUN bit = 0
HOST_NO_INIT bit = 1
(bit 1 in DSP_RUN register)
(OPTIONAL)
(stop DSP processing)
INIT_MEM bit
Hardware Reset (by pin 43)
Power ON
NOTE: This HW reset after Power ON is
mandatory to avoid bad device configuration
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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