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MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 1-5
— Up to 16-Kbyte dual-ported SRAM on CPU internal bus, supporting core and DMA access
with standby power supply support
— Up to 128 Kbytes of interleaved flash memory supporting 2-1-1-1 accesses
• Power management
— Fully static operation with processor sleep and whole chip stop modes
— Rapid response to interrupts from the low-power sleep mode (wake-up feature)
— Clock enable/disable for each peripheral when not used (except backup watchdog timer)
— Software controlled disable of external clock output for low-power consumption
• Universal Serial Bus On-The-Go (USB OTG) dual-mode host and device controller
— Full-speed / low-speed host controller
— USB 1.1 and 2.0 compliant full-speed / low speed device controller
— 16 bidirectional end points
— DMA or FIFO data stream interfaces
— Low power consumption
— OTG protocol logic
• Three universal asynchronous/synchronous receiver transmitters (UARTs)
— 16-bit divider for clock generation
— Interrupt control logic with maskable interrupts
— DMA support
— Data formats can be 5, 6, 7 or 8 bits with even, odd, or no parity
— Up to two stop bits in 1/16 increments
— Error-detection capabilities
— Modem support includes request-to-send (RTS) and clear-to-send (CTS) lines for two UARTs
— Transmit and receive FIFO buffers
•Two I
2
C modules
— Interchip bus interface for EEPROMs, LCD controllers, A/D converters, and keypads
— Fully compatible with industry-standard I
2
C bus
— Master and slave modes support multiple masters
— Automatic interrupt generation with programmable level
• Queued serial peripheral interface (QSPI)
— Full-duplex, three-wire synchronous transfers
— Up to four chip selects available
— Master mode operation only
— Programmable bit rates up to half the CPU clock frequency
— Up to 16 pre-programmed transfers
• Fast analog-to-digital converter (ADC)
— Eight analog input channels