Datasheet
Introduction
MOTOROLA MCF5206e USER’S MANUAL 1-3
• DMA Controller
— Two fully programmable channels
— Supports dual-address and single-address transfers, with 32-bit capability
— Two address pointers per channel that can increment or remain constant
— 16-bit transfer counter per channel
— Operand packing and unpacking supported
— Auto-alignment transfers supported for efficient block movement
— Supports bursting and cycle steal
— Provides two clock-cycle internal access
— Three request mechanisms: Software via register bits; External DREQ; UART
interrupts.
• Two Universal Synchronous/Asynchronous Receiver/Transmitter (UART) Modules
— Full duplex operation
— Baud-rate generator
— Modem control signals available (CTS, RTS)
— Processor-interrupt capability
• Dual 16-Bit General-Purpose Multimode Timers
— 8-bit prescaler
— Timer input and output pins
— 30 ns resolution with 33 MHz system clock
— Processor-interrupt capability
• Motorola Bus (M-Bus) Module
— Interchip bus interface for EEPROMs, LCD controllers, A/D converters, keypads
— Compatible with industry-standard I
2
C Bus
— Master or slave modes support multiple masters
— Automatic interrupt generation with programmable level
• System Interface
— Glueless bus interface to 8 bit, 16 bit, and 32 bit DRAM, SRAM, ROM, and I/O
devices
— 32-bit internal address bus with 28 bit external bus; chip select and DRAM
— 8 programmable chip selects
— Programmable wait states and port sizes
— Allows external bus masters to access chip selects
— System protection
• 16-bit software watchdog timer with prescaler
• Double bus fault monitor
• Bus timeout monitor
• Spurious interrupt monitor
— Programmable interrupt controller
• Low interrupt latency
• 3 external interrupt inputs
• Programmable interrupt priority and autovector generator
— IEEE 1149.1 test (JTAG) support
Fr
eescale S
emiconduct
or
, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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