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MCF52277 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MCF52277 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
2 / 46 page MCF5227x ColdFire® Microprocessor Data Sheet, Rev. 8 Freescale Semiconductor 2 Table of Contents 1 MCF5227x Family Comparison . . . . . . . . . . . . . . . . . . . . . . . .4 2 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3 Hardware Design Considerations . . . . . . . . . . . . . . . . . . . . . . .5 3.1 PLL Power Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3.2 USB Power Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3.3 ADC Power Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3.4 Supply Voltage Sequencing . . . . . . . . . . . . . . . . . . . . . .6 3.4.1 Power Up Sequence . . . . . . . . . . . . . . . . . . . . . .6 3.4.2 Power Down Sequence . . . . . . . . . . . . . . . . . . . .6 3.5 Power Consumption Specifications. . . . . . . . . . . . . . . . .7 4 Pin Assignments and Reset States . . . . . . . . . . . . . . . . . . . . .9 4.1 Signal Multiplexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.2 Pinout—176 LQFP . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 4.3 Pinout—196 MAPBGA . . . . . . . . . . . . . . . . . . . . . . . . .15 5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 5.1 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 5.2 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . .17 5.3 ESD Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 5.4 DC Electrical Specifications . . . . . . . . . . . . . . . . . . . . .18 5.5 Oscillator and PLL Electrical Characteristics. . . . . . . . 19 5.6 ASP Electrical Characteristics . . . . . . . . . . . . . . . . . . . 20 5.7 External Interface Timing Specifications . . . . . . . . . . . 21 5.7.1 FlexBus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.7.2 SDRAM Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5.8 General Purpose I/O Timing . . . . . . . . . . . . . . . . . . . . 29 5.9 Reset and Configuration Override Timing . . . . . . . . . . 29 5.10 LCD Controller Timing Specifications . . . . . . . . . . . . . 30 5.11 USB On-The-Go Specifications . . . . . . . . . . . . . . . . . . 33 5.12 SSI Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 34 5.13 I2C Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 36 5.14 DMA Timer Timing Specifications . . . . . . . . . . . . . . . . 38 5.15 DSPI Timing Specifications . . . . . . . . . . . . . . . . . . . . . 38 5.16 SBF Timing Specifications. . . . . . . . . . . . . . . . . . . . . . 39 5.17 JTAG and Boundary Scan Timing Specifications . . . . 40 5.18 Debug AC Timing Specifications . . . . . . . . . . . . . . . . . 42 6 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 7 Product Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 8 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 |
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