MCF5211(2006) 데이터 시트보기 (PDF) - Freescale Semiconductor
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MCF5211 Datasheet PDF : 56 Pages
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MCF5213 Family Configurations
— 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
• Software watchdog timer
— 32-bit counter
— Low power mode support
• Clock generation features
— 1 to 16 MHz crystal, 8 MHz on-chip relaxation oscillator, or external oscillator reference
options
— Trimmed relaxation oscillator
— 2 to 10 MHz reference frequency for normal PLL mode
— System can be clocked from PLL or directly from crystal oscillator or relaxation oscillator
— Low power modes supported
— 2n (n ≤ 0 ≤ 15) low-power divider for extremely low frequency operation
MCF5213 Microcontroller Family Hardware Specification, Rev. 1.2
Freescale Semiconductor
Preliminary
7
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