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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320AV7110 датащи(PDF) 95 Page - Texas Instruments |
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TMS320AV7110 датащи(HTML) 95 Page - Texas Instruments |
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95 / 131 page  DSP TMS320AV7110 Revision 3.1 10/08/99 22:18 Page 95 Register Size R/W Offset Bits Value Description 18 PCM bypass 0 disable bypass (normal operation) 1 enable bypass of AFE and audio decoder 17 Copyright bit auto-update enable 0 allows software to write to bit 16 1 Bit 16 is updated from the MPEG header 16 see bit 17 above (bit is output through SPDIF) 15:9 Category (programmed by user, output through SPDIF) 8 PCM Clock source select (PCMSRC) defaults to 0 for Internal PLL 7:4 Output format select (also called PCMSEL[3:0] See PCMCLK frequencies table in Section 10. 3:2 Dual channel mode output mode select 00 Ch 0 on left, Ch1 on right 01 Ch 0 on both left and right 10 Ch 1 on both left and right 11 reserved 1Mute 0 Normal operation 1 Mute audio output 0 Reset 0 Normal operation 1 Reset audio module AUDIO_SCR 32 R/W 0x0024 31:0 Audio SCR register bits 31:0 32 R/W 0x0028 31:0 Audio SCR register bit 32 AUD_PLL_REG 32 0x0040 Audio PLL control register AUD_PLL_CNT 16 0x0080 Audio PLL counter AUD_FIQ_STAT_REG 32 R/W 0x0400 0 FIQ Status register 0 PLL Locked 1 SF Change AUD_STAT_REG 32 R 0x0800 31 Stereo Mode 0 all other 1 dual mode 30:29 Sampling Frequency 00 44.1 KHz if MPEG ID equals 1 22.05 KHz if MPEG ID equals 0 01 48.0 KHz if MPEG ID equals 1 24.0 KHz if MPEG ID equals 0 10 32.0 KHz if MPEG ID equals 1 16.0 KHz if MPEG ID equals 0 11 reserved 28:27 De-emphasis Mode 00 None 01 50/15 microseconds 10 Reserved 11 CCITT J.17 26 Synchronization Mode 0 Normal operation 1 Sync recovery mode 25 CRC Error 0 No CRC error or CRC not enabled in stream 1 CRC error found |
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