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56F8346EVM User Manual
MOTOROLA
2.8.1 JTAG Connector
The JTAG connector on the 56F8346EVM allows the connection of an external Host
Target Interface for downloading programs and working with the 56F8346’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 JG9. Reference
for this jumper’s selection options.
Table 2-7. JTAG Connector Description
J3
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
DE
14
TRST
Table 2-8. Parallel JTAG Interface Disable Jumper Selection
JG9
Comment
No jumpers
Enable On-board Parallel JTAG Interface
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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