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MCF5282 Datasheet, PDF (35/766 Pages) Freescale Semiconductor, Inc – Microcontroller User’s Manual | |||
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⢠Queued serial peripheral interface (QSPI)
â Full-duplex, three-wire synchronous transfers
â Up to four chip selects available
â Master mode operation only
â Programmable master bit rates
â Up to 16 pre-programmed transfers
⢠Queued analog-to-digital converter (QADC)
â 8 direct, or up to 18 multiplexed, analog input channels
â 10-bit resolution +/- 2 counts accuracy
â Minimum 7 μS conversion time
â Internal sample and hold
â Programmable input sample time for various source impedances
â Two conversion command queues with a total of 64 entries
â Sub-queues possible using pause mechanism
â Queue complete and pause software interrupts available on both queues
â Queue pointers indicate current location for each queue
â Automated queue modes initiated by:
â External edge trigger and gated trigger
â Periodic/interval timer, within QADC module [Queue 1 and 2]
â Software command
â Single-scan or continuous-scan of queues
â Output data readable in three formats:
â Right-justified unsigned
â Left-justified signed
â Left-justified unsigned
â Unused analog channels can be used as digital I/O
â Low pin-count configuration implemented
⢠Four 32-bit DMA timers
â 15-ns resolution at 80 MHz (66 MHz for MCF5214 and MCF5216)
â Programmable sources for clock input, including an external clock option
â Programmable prescaler
â Input-capture capability with programmable trigger edge on input pin
â Output-compare with programmable mode for the output pin
â Free run and restart modes
â Maskable interrupts on input capture or reference-compare
â DMA trigger capability on input capture or reference-compare
⢠Two 4-channel general purpose timers
â Four 16-bit input capture/output compare channels per timer
â 16-bit architecture
â Programmable prescaler
â Pulse widths variable from microseconds to seconds
â Single 16-bit pulse accumulator
Freescale Semiconductor
MCF5282 and MCF5216 ColdFire Microcontroller Userâs Manual, Rev. 3
Overview
1-3
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