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PPC440GR-3PBFFFCX 데이터시트(PDF) 49 Page - Applied Micro Circuits Corporation |
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PPC440GR-3PBFFFCX 데이터시트(HTML) 49 Page - Applied Micro Circuits Corporation |
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49 / 82 page ![]() AMCC Proprietary 49 440GR – PPC440GR Embedded Processor Preliminary Data Sheet Revision 1.16 – July 19, 2006 Multimode Signals In some cases (for example, Ethernet) the function of a pin may vary with different modes of operation. When a pin has multiple signal names assigned to distinguish different modes of operation, all of the names are shown. Strapping Pins One group of pins is used as strapped inputs during system reset. These pins function as strapped inputs only during reset and are used for other functions during normal operation (see “Strapping” on page 79). Note that these are not multiplexed pins since the function of the pins is not programmable. Reserved Pins The balls marked Reserved on this chip are not functional. However, most of the reserved balls cannot be left unconnected. Connect the balls shown in Table 6 as indicated: Table 6. Non-Functional Ball Connections Ball Connection R23 GND R24 GND U23 GND V23 GND W25 GND W26 GND Y26 GND AB23 GND AB24 GND AC20 GND AC21 GND AC24 GND AD20 GND AD21 GND AD22 GND AD23 GND AE22 do not connect AE23 GND AE26 GND AF23 do not connect AF24 GND |
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