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DIX9211 Datasheet(PDF) 34 Page - Texas Instruments |
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DIX9211 Datasheet(HTML) 34 Page - Texas Instruments |
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34 / 110 page ![]() DIX9211 SBAS519 – SEPTEMBER 2010 www.ti.com MPIO and MPO Assignments The I/O function of the MPIOs and MPOs are assigned by Registers MPASEL[1:0], MPBSEL[2:0], MPCSEL[2:0], MPO0SEL[3:0], and MPO1SEL[3:0]. The available functions are shown in Table 11 through Table 15. Table 11. MPIO Group A (Pins: MPIO_A0 to MPIO_A3) MPASEL[1:0] DIRECTION MPIO GROUP A FUNCTION 00 IN Biphase input (RXIN8/RXIN9/RXIN10/RXIN11) 01 OUT AVR Application 1 (CLKST, VOUT, XMCKO, INT0) (default)(1) 10 OUT AVR Application 2 (SBCK, SLRCK, XMCKO, INT0) 11 IN/ OUT DIR Flags output or GPIOs (1) MPIO_A0 to MPIO_A3 are set to Hi-Z by the MPA0HZ to MPA3HZ registers as default. Table 12. MPIO Group B (Pins: MPIO_B0 to MPIO_B3) MPBSEL[2:0] DIRECTION MPIO GROUP B FUNCTION 000 IN AUXIN2, ASCKI2/ABCKI2/ALRCKI2/ADIN2 (default) 001 OUT AUXOUT, ASCKO/ABCKO/ALRCKO/ADOUT 010 OUT Sampling frequency calculated result output, SFSOUT[3:0] 011 IN/OUT DIR Flags Output or GPIO 100 OUT DIR BCUV_Output (BFRAME/COUT/UOUT/VOUT) 101 IN/OUT External slave ADC input (EASCKO/EABCKO/EALRCKO/EADIN) 110 N/A Reserved 111 N/A Reserved Table 13. MPIO Group C (Pins: MPIO_C0 to MPIO_C3) MPCSEL[2:0] DIRECTION MPIO GROUP C FUNCTION 000 IN AUXIN1 (ASCKI1/ABCKI1/ALRCKI1/ADIN1) (default) 001 IN/OUT Reserved 010 OUT Sampling frequency calculated result output, SFSOUT[3:0] 011 IN/OUT DIR Flags output or GPIO 100 OUT DIR BCUV output (BFRAME/COUT/UOUT/VOUT) 101 IN DIT Standalone, clock, and data (TXSCK/TXBCK/TXLRCK/TXDIN) 110 N/A Reserved 111 N/A Reserved 34 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): DIX9211 |
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