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MCF5270CAB100 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MCF5270CAB100 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
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4 / 42 page  MCF5271 Integrated Microprocessor Hardware Specification, Rev. 4 Features Freescale Semiconductor 4 3Features For a detailed feature list see the MCF5271 Reference Manual (MCF5271RM). 4 Signal Descriptions This section describes signals that connect off chip, including a table of signal properties. For a more detailed discussion of the MCF5271 signals, consult the MCF5271 Reference Manual (MCF5271RM). 4.1 Signal Properties Table 4 lists all of the signals grouped by function. The “Dir” column is the direction for the primary function of the pin. Refer to Section 6, “Mechanicals/Pinouts and Part Numbers,” for package diagrams. NOTE In this table and throughout this document a single signal within a group is designated without square brackets (i.e., A24), while designations for multiple signals within a group use brackets (i.e., A[23:21]) and is meant to include all signals within the two bracketed numbers when these numbers are separated by a colon. NOTE The primary functionality of a pin is not necessarily its default functionality. Pins that are muxed with GPIO will default to their GPIO functionality. Table 2. MCF5270 and MCF5271 Signal Information and Muxing Signal Name GPIO Alternate 1 Alternate 2 Dir.1 MCF5270 MCF5271 160 QFP MCF5270 MCF5271 196 MAPBGA Reset RESET — — — I 83 N13 RSTOUT — — — O 82 P13 Clock EXTAL — — — I 86 M14 XTAL — — — O 85 N14 CLKOUT — — — O 89 K14 Mode Selection CLKMOD[1:0] — — — I 20,21 G5,H5 RCON — — — I 79 K10 External Memory Interface and Ports A[23:21] PADDR[7:5] CS[6:4] — O 126, 125, 124 B11, C11, D11 |
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