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56F805EVM Hardware User’s Manual
MOTOROLA
2.7.1 JTAG Connector
The JTAG connector on the 56F805EVM allows the connection of an external Host
Target Interface for downloading programs and working with the 56F805’s registers. This
connector is used to communicate with an external Host Target Interface which passes
information and data back and forth with a host processor running a debugger program.
shows the pin-out for this connector.
When this connector is used with an external Host Target Interface, the parallel JTAG
interface should be disabled by placing a jumper in jumper block JG5. Reference
for this jumpers selection options.
Table 2-3. JTAG Connector Description
J29
Pin #
Signal
Pin #
Signal
1
TDI
2
GND
3
TDO
4
GND
5
TCK
6
GND
7
NC
8
KEY
9
RESET
10
TMS
11
+3.3V
12
NC
13
NC
14
TRST
Table 2-4. Parallel JTAG Interface Disable Jumper Selection
JG5
Comment
No jumpers
On-board Parallel JTAG Interface Enabled
1–2
Disable on-board Parallel JTAG Interface
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Freescale Semiconductor, Inc.
For More Information On This Product,
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