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MAC7200 Datasheet(PDF) 821 Page - Freescale Semiconductor, Inc |
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MAC7200 Datasheet(HTML) 821 Page - Freescale Semiconductor, Inc |
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821 / 976 page ![]() Signal Description MAC7200 Microcontroller Family Reference Manual, Rev. 2 Freescale Semiconductor 743 • Programmable channel sampling order • Several sampling modes supported — Continuous Conversion Mode — Convert and Pause — Convert on Trigger • Flexible Trigger Control — Configurable external trigger functionality on any ATD channel — 2 selectable on-chip triggers 33.8.4 Modes of Operation The ATD has different modes of operation: • Normal mode • Doze mode for medium power saving • Debug mode for error tracking (no power saving included) • Disabled mode for maximum power saving For further details about the ATD behavior in the various operation modes please Section 33.11.4, “Low Power / Operating Modes”. 33.9 Signal Description 33.9.1 Overview All I/O signals connected to the external SoC pins are summarized in Table 33-3 and described in more detail in the next sub-sections. Table 33-3. DMADC1032 Signals Signal Name Direction Description Reset state VDDA Input Secondary power supply — VSSA Input Ground for secondary power supply — VRH Input High reference voltage for ATD conversions — VRL Input Low reference voltage for ATD conversions — VREFC Input External buffer capacitor for reference voltage — AN00 Input Channel 0: single-ended analog input — AN01 Input Channel 1: single-ended analog input — AN02 Input Channel 2: single-ended analog input — AN03 Input Channel 3: single-ended analog input — AN04 Input Channel 4: single-ended analog input — AN05 Input Channel 5: single-ended analog input — AN06 Input Channel 6: single-ended analog input — |
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