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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TMS320DM643 데이터시트(PDF) 58 Page - Texas Instruments |
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TMS320DM643 데이터시트(HTML) 58 Page - Texas Instruments |
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58 / 160 page  www.ti.com 3.6 Debugging Considerations TMS320DM643 Video/Imaging Fixed-Point Digital Signal Processor SPRS269A – FEBRUARY 2005 – REVISED APRIL 2005 It is recommended that external connections be provided to device configuration pins, including TOUT1/LENDIAN, AEA[22:19], HD5, and TOUT0/MAC_EN. Although internal pullup/pulldown resistors exist on these pins, providing external connectivity adds convenience to the user in debugging and flexibility in switching operating modes. Internal pullup/pulldown resistors also exist on the non-configuration pins on the AEA bus (AEA[18:0]). Do not oppose the internal pullup/pulldown resistors on these non-configuration pins with external pullup/pulldown resistors. If an external controller provides signals to these non-configuration pins, these signals must be driven to the default state of the pins at reset, or not be driven at all. For the internal pullup/pulldown resistors for all device pins, see the terminal functions table. 58 Device Configurations |
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