M 5 2 2 2 1 D E M O U S E R G U I D E
J A N U A R Y 1 8 , 2 0 0 7
9
MEMORY MAP
Refer to the MCF52223 Integrated Microcontroller Reference Manual (RM) for details. The
RM may be downloaded from the Freescale web site at
www.freescale.com
.
DEVELOPMENT SUPPORT
Application development and debug for the target MCF52221 is supported through the BDM
interface. The debug interface consists of an optional 26-pin header (BDM_PORT) and an in-
tegrated USB BDM debugger. The BDM_PORT header is not installed in default configuration
and may be installed by the user if needed. Refer to the MCF52223 RM for details on using
the Background Debug Module
Optional JTAG access is also supported through the BDM_PORT header. To use this optional
JTAG access, open the cut-trace between pin 1 and pin 2 of the BDM_SEL option header. In-
stall a standard 1x3, 0.1”, header at location BDM_SEL and install a shunt from pin 2 to pin 3.
Refer to the MCF52223 RM (
www.freescale.com
) for details on using the JTAG port access.
BDM_PORT Header
A ColdFire compatible BDM cable may be attached to the 26-pin BDM_PORT port header.
This header is not installed in default configuration. To use this feature, simply install a 2x13,
0.1” center, pin-header. Refer to the BDM documentation, in the RM, for details on using the
BDM cable. The BDM_PORT header pin-out is shown below.
Figure 1: BDM_PORT
NC
1
2
BKPT*
GND
3
4
DSCLK
GND
5
6
TCLK (JTAG)
RSTI*
7
8
DSI
Refer to the MCF522235 Integrated Microcon-
troller Reference Manual for details on using
the BDM_PORT
VDD
9
10
DSO
GND
11
12
ALLPST
ALLPST
13
14
ALLPST
ALLPST
15
16
NC
NC
17
18
NC
NC
19
20
GND
NC
21
22
NC
GND
23
24
TCLK (BDM)
VDD
25
26
TA*
NOTE:
This header is not installed in default configuration.
