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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.
Table 2-7
shows the pin-out for this connector.
Pin #
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
Table 2-8
for this jumper's selection options.
Table 2-8. Parallel JTAG Interface Disable Jumper Selection
2-12
Freescale Semiconductor, Inc.
Table 2-7. JTAG Connector Description
J3
Signal
1
TDI
3
TDO
5
TCK
7
NC
9
RESET
11
+3.3V
13
DE
JG9
No jumpers
Enable On-board Parallel JTAG Interface
1–2
Disable on-board Parallel JTAG Interface
56F8346EVM User Manual
For More Information On This Product,
Go to: www.freescale.com
Pin #
Signal
2
GND
4
GND
6
GND
8
KEY
10
TMS
12
NC
14
TRST
Comment
MOTOROLA
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