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MCF5282UM Datasheet, PDF (37/766 Pages) Freescale Semiconductor, Inc – MCF5282 and MCF5216 ColdFire Microcontroller User s Manual | |||
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Overview
â Ability to boot from internal Flash memory or external memories that are 8, 16, or 32 bits wide
⢠Reset
â Separate reset in and reset out signals
â Seven sources of reset:
â Power-on reset (POR)
â External
â Software
â Watchdog
â Loss of clock
â Loss of lock
â Low-voltage detection (LVD)
â Status flag indication of source of last reset
⢠Chip integration module (CIM)
â System configuration during reset
â Support for single chip, master, and test modes
â Selects one of four clock modes
â Sets boot device and its data port width
â Configures output pad drive strength
â Unique part identification number and part revision number
⢠General purpose I/O interface
â Up to 142 bits of general purpose I/O for MCF5280/1/2
â Up to 134 bits of general purpose I/O for MCF5214/6
â Coherent 32-bit control
â Bit manipulation supported via set/clear functions
â Unused peripheral pins may be used as extra GPIO
⢠JTAG support for system-level board testing
MCF5282 and MCF5216 ColdFire Microcontroller Userâs Manual, Rev. 3
Freescale Semiconductor
1-5
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