TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
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DEVICE CONFIGURATIONS (CONTINUED)<br />
SPRS294A − OCTOBER 2005 − REVISED NOVEMBER 2005<br />
debugging considerations<br />
It is recommended that external connections be provided to peripheral selection/device configuration pins,<br />
including HD[14, 8, 12, 4, 3], and CLKMODE0. Although internal pullup resistors exist on these pins, providing<br />
external connectivity adds convenience to the user in debugging and flexibility in switching operating modes.<br />
Internal pullup/pulldown resistors also exist on the non-configuration pins on the HPI data bus and HD[15, 13,<br />
11:9, 7:5, 2:0]. For proper device operation of the HD[13, 11:9, 7, 1, 0], do not oppose the internal<br />
pullup/pulldown resistors on these non-configuration pins with external pullup/pulldown resistors. If an external<br />
controller provides signals to these HD[13, 11:9, 7, 1, 0] non-configuration pins, these signals must be driven<br />
to the default state of the pins at reset, or not be driven at all. For a list of routed out, 3-stated, or not-driven pins<br />
recommended for external pullup/pulldown resistors, and internal pullup/pulldown resistors for all device pins,<br />
etc., see the Terminal Functions table. However, the HD[15, 6, 5, 2] non-configuration pins can be opposed and<br />
driven during reset.<br />
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443<br />
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