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MCF52223 Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc |
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MCF52223 Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 56 page MCF52223 ColdFire Microcontroller, Rev. 2 MCF52223 Family Configurations Freescale Semiconductor 6 — 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 — 12-bit resolution — Minimum 1.125 μs conversion time — Simultaneous sampling of two channels for motor control applications — Single-scan or continuous operation — Optional interrupts on conversion complete, zero crossing (sign change), or under/over low/high limit — Unused analog channels can be used as digital I/O • Four 32-bit timers with DMA support — 12.5 ns resolution at 80 MHz — Programmable sources for clock input, including an external clock option — Programmable prescaler — Input capture capability with programmable trigger edge on input pin — Output compare with programmable mode for the output pin — Free run and restart modes — Maskable interrupts on input capture or output compare — DMA trigger capability on input capture or output compare • Four-channel general purpose timer — 16-bit architecture — Programmable prescaler — Output pulse-widths variable from microseconds to seconds — Single 16-bit input pulse accumulator — Toggle-on-overflow feature for pulse-width modulator (PWM) generation — One dual-mode pulse accumulation channel • Pulse-width modulation timer — Operates as eight channels with 8-bit resolution or four channels with 16-bit resolution — Programmable period and duty cycle — Programmable enable/disable for each channel — Software selectable polarity for each channel — Period and duty cycle are double buffered. Change takes effect when the end of the current period is reached (PWM counter reaches zero) or when the channel is disabled. — Programmable center or left aligned outputs on individual channels — Four clock sources (A, B, SA, and SB) provide for a wide range of frequencies — Emergency shutdown • Two periodic interrupt timers (PITs) — 16-bit counter — Selectable as free running or count down • Real-Time Clock (RTC) |
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