Peripheral highlights
1.6.3 Inter-Module Crossbar and AND-OR-INVERT logic
• Provides generalized connections between and among on-chip peripherals: ADCs,
12-bit DAC, Comparators, Quad Timers, eFlexPWMs, PDBs, EWM, and select I/O
pins
• User-defined input/output pins for all modules connected to crossbar
• DMA request and interrupt generation from crossbar
• Write-once protection for all registers
• AND-OR-INVERT function that provides a universal Boolean function generator
using a four-term sum-of-products expression, with each product term containing
true or complement values of the four selected inputs (A, B, C, D).
1.6.4 Comparator
• Full rail-to-rail comparison range
• Support for high speed mode and low speed mode
• Selectable input source includes external pins and internal DACs
• Programmable output polarity
• 6-bit programmable DAC as voltage reference per comparator
• Three programmable hysteresis levels
• Selectable interrupt on rising edge, falling edge, or toggle of comparator output
1.6.5 12-bit Digital-to-Analog Converter
• 12-bit resolution
• Powerdown mode
• Automatic mode allows the DAC to automatically generate pre-programmed output
waveforms including square, triangle, and sawtooth waveforms for applications such
as slope compensation
• Programmable period, update rate, and range
• Output can be routed to an internal comparator, ADC, or optionally off chip
1.6.6 Quad Timer
• Four 16-bit up/down counters with programmable prescaler for each counter
• Operation modes: edge count, gated count, signed count, capture, compare, PWM,
signal shot, single pulse, pulse string, cascaded, quadrature decode
• Programmable input filter
• Counting start can be synchronized across counters
MC56F8455x Advance Information Data Sheet, Rev. 2, 06/2012.
Freescale Semiconductor, Inc.
9
Preliminary
General Business Information
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