MCF5485EC
Rev. 2.1, 12/2004
Freescale Semiconductor
Data Sheet
MCF548x Integrated
Microprocessor Electrical
Characteristics
Applies to the MCF5480, MCF5481, MCF5482, MCF5483,
MCF5484, and MCF5485
Table of Contents
This chapter contains electrical specification tables and
reference timing diagrams for the MCF548x
microprocessor. This section contains detailed
information on power considerations, DC/AC electrical
characteristics, and AC timing specifications of the
MCF548x.
1
2
3
4
Maximum Ratings................................................1
Thermal Characteristics ......................................2
DC Electrical Specifications ................................3
Supply Voltage Sequencing and Separation
Cautions ..............................................................5
Output Driver Capability and Loading .................6
PLL Timing Specifications...................................7
Reset Timing Specifications................................8
FlexBus................................................................9
SDRAM Bus ......................................................11
5
6
7
8
9
NOTE
The parameters specified
in this MPU document
supersede any values
found in the module
specifications.
10 PCI Bus .............................................................17
11 Fast Ethernet AC Timing Specifications............18
12 General Timing Specifications...........................21
13 I2C Input/Output Timing Specifications .............21
14 JTAG and Boundary Scan Timing .....................23
15 DSPI Electrical Specifications ...........................26
16 Timer Module AC Timing Specifications............26
1 Maximum Ratings
Table 1 lists maximum and minimum ratings for supply
and operating voltages and storage temperature.
Operating outside of these ranges may cause erratic
behavior or damage to the processor.
© Freescale Semiconductor, Inc., 2004. All rights reserved.