EVB51JM128 Freescale Semiconductor, EVB51JM128 Datasheet - Page 8

• Manufacturer Part Number: EVB51JM128
• Description: BOARD EVAL FOR MCF51JM128 MCU
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®r
• Type: MCUr

Specifications of EVB51JM128

• Contents: Evaluation Board
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V1
• Silicon Core Number: MCF51J
• Silicon Family Name: Flexis - MCF51JM
• Rohs Compliant: Yes
• For Use With/related Products: MCF51JM128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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USB bus; therefore, current consumption is limited by the USB specification. Total current
consumption for the target board, and any connected circuitry, must not exceed 500mA. Ex-
cessive current drain will violate the USB specification causing the bus to disconnect. This will
force a target POR.
BDM Port Connector
As standard 6-pin BDM connector is also provide to allow use of external BDM cables capable
of supporting the MC51JM128 device.
Figure 1: BDM Connector
EVB POWER
The EVB51JM128 applies 2 voltage regulators to power the board. VR1 supplies +5V to the
VDD rail when selected. This regulator also provide +5V output to the USB circuitry when the
board is configured for HOST mode. VR2 supplies +3.3V to the VDD rail when selected. The
+3.3V output is derived from the +5V regulator. Power to the EVB is limited to 500mA.
Input power is applied using the PWR power jack or the TB1 terminal block. The PWRSW
power switch controls input voltage to the board.
Power Jack
The power jack at PWR is the default power input to the board. This connection accepts a
standard 2.1mm, center-positive, barrel plug connector. +VIN should remain between +7VDC
and +18VDC.
Figure 2: PWR Jack
CAUTION: Violating the USB specification will cause the USB bus to disconnect forcing the
PWR
BKGD*/MS 1
U S E R
target to reset. Damage to the board or host PC may also result.
G U I D E
2.1mm, center-positive, +V input
Applied voltage: +7V to +18V
3
5
2 VSS
4 RESET*
6 VDD
7
F E B R U A R Y
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