Freescale Semiconductor, Inc.
Memory (SRAM), Electrically Programmable Read-Only Memory (EPROM), Flash EPROM, etc.
— Four CAS lines, Four WE lines, One OE line
— Boot Chip Select Available at Reset (Options for 8-, 16-, or 32-Bit Memory)
— Special Features for MC68040 Including Burst Mode Support
• Four General-Purpose Timers
— Superset of MC68302 Timers
— Four 16-Bit Timers or Two 32-Bit Timers
— Gate Mode Can Enable/Disable Counting
• Two Independent DMAs (IDMAs)
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Single Address Mode for Fastest Transfers
Buffer Chaining and Auto Buffer Modes
Automatically Performs Efficient Packing
32-Bit Internal and External Transfers
Bus Monitor
Double Bus Fault Monitor
Spurious Interrupt Monitor
Software Watchdog
Periodic Interrupt Timer
Low Power Stop Mode
Clock Synthesizer
Breakpoint Logic Provides On-Chip Hardware Breakpoints
External Masters May Use On-Chip Features Such As Chip Selects
On-Chip Bus Arbitration with No Overhead for Internal Masters
IEEE 1149.1 Test Access Port
Freescale Semiconductor, Inc...
• System Integration Module (SIM60)
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• Interrupts
— Seven External IRQ Lines
— 12 Port Pins with Interrupt Capability
— 16 Internal Interrupt Sources
— Programmable Priority Between SCCs
— Programmable Highest Priority Request
• Communications Processor Module (CPM)
— RISC Controller
— Many New Commands (e.g., Graceful Stop Transmit, Close RxBD)
— 224 Buffer Descriptors
— Supports Continuous Mode Transmission and Reception on All Serial Channels
For More Information On This Product,
Go to: www.freescale.com
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
