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PCM9211 bảng dữ liệu(PDF) 49 Page - Texas Instruments |
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PCM9211 bảng dữ liệu(HTML) 49 Page - Texas Instruments |
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49 / 121 page  Clock/ Data Recovery MPIO_ A SELECTOR MPIO_ C SELECTOR MPIO _B SELECTOR MPIO _B 0(ASCKI 2) MPIO _B 1(ABCKI 2) MPIO _B 2(ALRCKI 2) MPIO _B 3(ADIN2) ADC Com. Supply MPO0/1 SELECTOR MPO 0(TXOUT ) MPO 1(VOUT ) MAIN OUTPUT SCKO BCK LRCK DOUT PORT RXIN8 RXIN9 RXIN10 RXIN11 DITOUT AUTO DIR ADC AUXIN0 AUXIN1 AUXIN2 AUTO DIR ADC AUXIN0 AUXIN1 AUXIN2 AUTO DIR ADC AUXIN0 AUXIN1 DIT Lock :DIR Unlock:ADC AUXIN 2 AUXOUT OSC Divider XMCKO Divider XMCKO DITOUT RECOUT 0 RECOUT 1 AUXIN 0 AUXIN1 ADC Standalone ADC Mode Control Function Control REGISTER EXTRA DIR FUNCTIONS FILT PLL DIR Lock Detection ERROR/ INT0 (ERROR ) NPCM/INT1 (NPCM ) ADC Clock (SCK /BCK/LRCK) (To MPIO _A & MPO0/1 ) ADC DIR CS ( 48-bit) DIT CS ( 48-bit) DIR Interrupt GPIO/GPO Data MPIO_ A MPIO_ B MPIO_ C MPO0 MPO1 Divider ( to MPIO_A ) Secondary BCK / LRCK Selector RECOUT0 RECOUT1 SBCK /SLRCK DOUT RXIN7 SCKO/ BCK/LRCK RXIN 0 RXIN 1 RXIN 2 RXIN 4/ASCKI 0 RXIN 3 RXIN 5/ABCKI 0 RXIN 6/ALRCKI 0 RXIN 7/ADIN0 RXIN7 RXIN6 RXIN5 RXIN4 RXIN3 RXIN2 RXIN1 RXIN0 MPIO_ A0( CLKST ) MPIO_ A1( VOUT) MPIO_ A2( XMCKO) MPIO_ A3( INT0) VINL VINR VCOM MPIO _C0( TXSCK ) MPIO _C1( TXBCK ) MPIO _C2( TXLRCK ) MPIO _C3( TXDIN ) XTI XTO All Port f Calculator S DIR f Calculator S DIR P and P C D f Calculator S ERROR DETECTION Non-PCM DETECTION Flags DTS-CD/LD Detection Validity Flag User Data Channel Status Data BFRAME Detection Interrupt System These pins are Hi-Z at default. PCM9211 www.ti.com SBAS495 – JUNE 2010 Default Routing Function (After RESET) The default routing paths are shown in Figure 32. MPIO_A0-A3 are selected by CLKST, VOUT, XMCKO, and INT0. Note that by default, MPIO_A0-A3 pins are Hi-Z as set by Registers MPA0HZ, MPA1HZ, MPA2HZ, and MPA3HZ. Figure 32. Default Routing Block Diagram By default, the ADC starts up as a clock slave to the crystal that is connected to the PCM9211. The DIR receives data on RXIN2. When the DIR is unlocked, the ADC has priority, and uses the Main port. When the DIR is locked, data from the MAIN PORT are DIR data. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 49 Product Folder Link(s): PCM9211 |
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