DEMOEM User Manual
3
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Connectors for MCF51EM256 100-pin LQFP (DCF51EM256)
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PCB coloring:
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Black-colored mother board
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Red-colored daughter card
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Freescale Form Factor Parameters must be followed
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50-pin (2x25-pin) connector labeled MCU_PORT (J1) to bring out
some device signals
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MCU_PORT (J1) has a (2.54 pitch, dual row) through-hole
Female connector: 2x25 Socket Header, Pass Thru, .1", Bottom
Entry, SMT
BDM interface:
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Integrated P&E Embedded Multilink Circuitry
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MDI interface features:
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SCI signals from Embedded Multilink connected through
jumper to SCI1 or SCI3 pins of EM MCU
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“Logic analyzer” inputs to timer channels of Embedded
Multilink to header pins
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Embedded Multilink design populated on bottom of board
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BDM Connector (6-pin Header) (not populated)
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Jumpers (J39 and J40) to select programming the MCU daughter
card or the MC9S08QE8 on the DEMOEM
Power:
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Power LED
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Board power via the USB connection
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On board Voltage Regulator with 3.3V output to MCU
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Barrel style power connector (2.1 mm)
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AAA battery holder for 2 batteries. (Alternate board power supply).
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Power switch for all board power