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MCF52235 Datasheet(PDF) 7 Page - Freescale Semiconductor, Inc |
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MCF52235 Datasheet(HTML) 7 Page - Freescale Semiconductor, Inc |
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7 / 54 page  MCF52235 Family Configurations MCF52235 ColdFire Microcontroller, Rev. 6 Freescale Semiconductor 7 • Four 32-bit DMA timers — 17-ns resolution at 60 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 timers — 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 • Real-Time Clock (RTC) — Maintains system time-of-day clock — Provides stopwatch and alarm interrupt functions • Two periodic interrupt timers (PITs) — 16-bit counter — Selectable as free running or count down • Software watchdog timer — 32-bit counter — Low power mode support • Clock Generation Features — 25 MHz crystal input — On-chip PLL can generate core frequencies up to maximum 60MHz operating frequency — Provides clock for integrated EPHY • Dual Interrupt Controllers (INTC0/INTC1) — Support for multiple interrupt sources organized as follows: – Fully-programmable interrupt sources for each peripheral – 7 fixed-level interrupt sources – Seven external interrupt signals |
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Similar Description - MCF52235 |
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