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ACEX1K Datasheet(PDF) 33 Page - Altera Corporation |
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ACEX1K Datasheet(HTML) 33 Page - Altera Corporation |
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33 / 86 page  Altera Corporation 33 ACEX 1K Programmable Logic Device Family Data Sheet 13 Row-to-IOE Connections When an IOE is used as an input signal, it can drive two separate row channels. The signal is accessible by all LEs within that row. When an IOE is used as an output, the signal is driven by a multiplexer that selects a signal from the row channels. Up to eight IOEs connect to each side of each row channel (see Figure 16). Figure 16. ACEX 1K Row-to-IOE Connections Note (1) Note: (1) The values for m and n are shown in Table 8. Table 8 lists the ACEX 1K row-to-IOE interconnect resources. n n Each IOE is driven by an m-to-1 multiplexer. Each IOE can drive two row channels. IOE8 IOE1 m m Row FastTrack Interconnect n Table 8. ACEX 1K Row-to-IOE Interconnect Resources Device Channels per Row (n) Row Channels per Pin (m) EP1K10 144 18 EP1K30 216 27 EP1K50 216 27 EP1K100 312 39 |
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