Table of Contents
Advertisement
2.5.2 Parallel JTAG Interface Connector
The Parallel JTAG Interface Connector, P1, allows the 56F8323 to communicate with a
Parallel Printer Port on a Windows PC; reference
user can download programs and work with the 56F8323's registers.
pin-out for this connector. When using the parallel JTAG interface, the jumper at JG3
should be removed, as shown in
Port's interface voltage between +3.3V and +5.0V; see
DB-25 Connector
P_RESET
Jumper Removed:
Enable JTAG I/F
Jumper Pin 1-2:
Disable JTAG I/F
Figure 2-4. Block Diagram of the Parallel JTAG Interface
Table 2-7. Parallel JTAG Interface Connector Description
Pin #
1
2
3
4
5
6
7
8
MOTOROLA
Freescale Semiconductor, Inc.
Table
2-6. A jumper at JG14 selects the Parallel Printer
Parallel JTAG Interface
TDI
IN
TDO
OUT
P_TRST
IN
TMS
IN
TCK
IN
IN
P_DE
IN
+3.3V
EN
JG3
1
2
Signal
NC
PORT_RESET
PORT_TMS
PORT_TCK
PORT_TDI
PORT_TRST
PORT_DE
PORT_IDENT
Technical Summary
For More Information On This Product,
Go to: www.freescale.com
Figure
2-4. Using this connector, the
Table
2-8.
56F8323
OUT
TDI
IN
TDO
OUT
TRST
OUT
TMS
OUT
TCK
OUT
RESET
OUT
DE
P1
Pin #
14
15
PORT_IDENT
16
17
18
19
20
21
Debug Support
Table 2-7
shows the
Signal
NC
N/C
N/C
GND
GND
GND
GND
2-9
Advertisement
Table of Contents
