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TDA2SA Datasheet(PDF) 130 Page - Texas Instruments |
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TDA2SA Datasheet(HTML) 130 Page - Texas Instruments |
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130 / 427 page  130 TDA2SX, TDA2SG, TDA2SA TDA2HG, TDA2HV, TDA2HF, TDA2LF SPRS951F – DECEMBER 2015 – REVISED MAY 2019 www.ti.com Submit Documentation Feedback Product Folder Links: TDA2SX TDA2SG TDA2SA TDA2HG TDA2HV TDA2HF TDA2LF Terminal Configuration and Functions Copyright © 2015–2019, Texas Instruments Incorporated Table 4-25. RTC Signal Descriptions (continued) SIGNAL NAME DESCRIPTION TYPE BALL rtc_osc_xi_clkin3 2 RTC Oscillator Input. Crystal connection to internal RTC oscillator. Functions as an RTC clock input when an external oscillator is used. I AE14 rtc_osc_xo RTC Oscillator Output O AD14 rtc_iso(1) RTC domain isolation signal I AF14 on_off RTC Power Enable output pin O Y11 (1) This signal must be kept 0 if device power supplies are not valid during RTC mode and 1 during normal operation. This can typically be achieved by connecting rtc_iso to the same signal driving porz (not rtc_porz) with appropriate voltage level translation if necessary. 4.4.20.4 System Direct Memory Access (SDMA) NOTE For more information, see the DMA Controllers / System DMA section of the device TRM. Table 4-26. System DMA Signal Descriptions SIGNAL NAME DESCRIPTION TYPE BALL dma_evt1 System DMA Event Input 1 I P7/ P4 dma_evt2 System DMA Event Input 2 I N1/ R3 dma_evt3 System DMA Event Input 3 I N6 dma_evt4 System DMA Event Input 4 I M4 4.4.20.5 Interrupt Controllers (INTC) NOTE For more information, see the Interrupt Controllers section of the device TRM. Table 4-27. INTC Signal Descriptions SIGNAL NAME DESCRIPTION TYPE BALL nmin_dsp Non maskable interrupt input, active-low. This pin can be optionally routed to the DSP NMI input or as generic input to the Arm cores. Note that by default this pin has an internal pulldown resistor enabled. This internal pulldown should be disabled or countered by a stronger external pullup resistor before routing to the DSP or Arm processors. I D21 sys_nirq2 External interrupt event to any device INTC I AB16 sys_nirq1 External interrupt event to any device INTC I AC16 4.4.20.6 Observability NOTE For more information, see the Control Module section of the device TRM. Table 4-28. Observability Signal Descriptions SIGNAL NAME DESCRIPTION TYPE BALL obs0 Observation Output 0 O F10 obs1 Observation Output 1 O G11 obs2 Observation Output 2 O E9 obs3 Observation Output 3 O F9 obs4 Observation Output 4 O F8 |
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