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Excessive current drain will violate the USB specification causing the bus to disconnect. This
will force a target POR.
CAUTION: Violating the USB specification will cause the USB bus to disconnect forcing the target to
reset.
BDM_PORT Header
A ColdFire BDM cable may be attached to the 26-pin BDM_PORT port header. This header is
not installed in default configuration. Its use requires installing a 2x13, 0.1” center, pin-header.
Refer to the BDM documentation, in the device reference manual, for details on using the BDM
cable. The BDM_PORT header pin-out is shown below.
Figure 10: BDM Port
NC
GND
GND
RSTI*
1
3
5
7
2
4
6
8
BKPT*
DSCLK
TCLK (JTAG)
DSI
Refer to the MCF52233 Integrated
Microcontroller Reference Manual for
details on using the BDM_PORT
VDD
9
10 DSO
GND 11
ALLPST 13
ALLPST 15
NC 17
NC 19
NC 21
GND 23
VDD 25
Freescale Semiconductor
12 ALLPST
14 ALLPST
16 NC
18 NC
20 GND
22 NC
24 TCLK (BDM)
26 TA*
19
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