MCF5445x ColdFire Microprocessor Data Sheet, Rev. 8
Freescale Semiconductor2
Table of Contents
1 MCF5445x Family Comparison . . . . . . . . . . . . . . . . . . . . . . . .4
2 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3 Hardware Design Considerations. . . . . . . . . . . . . . . . . . . . . . .5
3.1 Analog Power Filtering . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.2 Oscillator Power Filtering . . . . . . . . . . . . . . . . . . . . . . . .6
3.3 Supply Voltage Sequencing . . . . . . . . . . . . . . . . . . . . . .6
3.3.1 Power-Up Sequence . . . . . . . . . . . . . . . . . . . . . .7
3.3.2 Power-Down Sequence. . . . . . . . . . . . . . . . . . . .7
4 Pin Assignments and Reset States . . . . . . . . . . . . . . . . . . . . .7
4.1 Signal Multiplexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4.2 Pinout—256 MAPBGA . . . . . . . . . . . . . . . . . . . . . . . . .15
4.3 Pinout—360 TEPBGA. . . . . . . . . . . . . . . . . . . . . . . . . .16
5 Electrical Characteri stics . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
5.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . .17
5.2 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . .18
5.3 ESD Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
5.4 DC Electrical Specifications . . . . . . . . . . . . . . . . . . . . .19
5.5 ClockTiming Specifications. . . . . . . . . . . . . . . . . . . . . .20
5.6 Reset Timing Specifications . . . . . . . . . . . . . . . . . . . . .22
5.7 FlexBus Timing Specifications . . . . . . . . . . . . . . . . . . .23
5.8 SDRAM AC Timing Characteristics. . . . . . . . . . . . . . . .25
5.9 PCI Bus Timing Specifications . . . . . . . . . . . . . . . . . . .27
5.9.1 Overshoot and Undershoot . . . . . . . . . . . . . . . 28
5.10 ULPI Timing Specifications . . . . . . . . . . . . . . . . . . . . . 29
5.11 SSI Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 30
5.12 I2C Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 32
5.13 Fast Ethernet Timing Specifications . . . . . . . . . . . . . . 33
5.13.1 Receive Signal Timing Specifications . . . . . . . 33
5.13.2 Transmit Signal Timing Specifications . . . . . . . 34
5.13.3 Asynchronous Input Signal Timing
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.13.4 MII Serial Management Timing Specifications. 35
5.14 32-Bit Timer Module Timing Specifications . . . . . . . . . 35
5.15 ATA Interface Timing Specifications. . . . . . . . . . . . . . . 36
5.16 DSPI Timing Specifications. . . . . . . . . . . . . . . . . . . . . 36
5.17 SBF Timing Specifications. . . . . . . . . . . . . . . . . . . . . . 38
5.18 General Purpose I/O Timing Specifications. . . . . . . . . 39
5.19 JTAG and Boundary Scan Timing . . . . . . . . . . . . . . . . 40
5.20 Debug AC Timing Specifications. . . . . . . . . . . . . . . . . 42
6 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8 Product Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46