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USB
Mini-AB
6-pin BDM
Connector
BDM
USB D+/D-
Expansion Connector
CAN, SPI, SCI, etc.
SPI
SD Card
Slot
Crystal
MCF51JM
ColdFire? V1
GPIO
LED Matrix
Microcontroller
CMT-IRO
MC34671/3
Li-Ion Charger
VBATT
3.1-5.5V
VREG
3.3V
IR Transmitter
3
LDO
Reg
Li-Ion
Coin Cell
Battery
Lir2430
MMA7260QT
3-axis
Accelerometer
MPR083/4
Capacitive
Touch Sensor
Touch Sensor
Electrodes (x8)
???????????????
Freescale Device
External Connector User Interface
JM ? Badge ? Board ? Block ? Diagram ?
Power Supply
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Note ?
The ? touch ? sensor ? featured ? on ? the ? JM ? Badge ? Board ? varies ? by ? revision. ? ? The ? revision ? is ?
marked ? on ? each ? board ? at ? the ? bottom ? of ? the ? back ? (component) ? side. ? This ? change ?
requires ? different ? firmware ? drivers. ? ? Take ? care ? to ? select ? the ? correct ? software ? when ?
downloading ? from ? the ? Can ? Your ? Badge ? Do ? This? ? website. ?
?
3.1 MCF51JM128 ? Microcontroller ?
The ? MCF51JM128 ? in ? a ? 64 ‐ pin ? LQFP ? package ? is ? the ? host ? controller ? for ? the ? JM ? Badge ? Board. ?? The ?
MCF51JM ? devices ? are ? the ? newest ? members ? of ? the ? Flexis ? family. ?? These ? devices ? are ? pin, ? peripheral, ? and ?
toolset ? compatible ? with ? the ? S08JM ? family. ?? Figure ? 1 ? show ? a ? top ‐ level ? block ? diagram ? of ? the ? MCF51JM ?
family ? of ? microcontrollers. ??? The ? following ? is ? a ? summary ? of ? features ? of ? the ? MCF51JM128. ?
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Up ? to ? 50.33 ? MHz ? ColdFire ? V1 ? core ??
128K ? flash ?
16K ? RAM ?
Four ? low ‐ power ? modes ?
Multi ‐ purpose ? clock ? generator ? (MCG) ?
Dual ‐ role ? Full ‐ speed ? USB ? Controller ? and ? transceiver ?
Controller ? Area ? Network ? (CAN) ?
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?
JM ? Badge ? Board ? User’s ? Manual ?
Page ? 4 ? of ? 18 ?
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