ARM MPS3 Technical Reference Manual page 72

Fpga prototyping board
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2.18 System debug on page 2-50
1.3 Location of components on the MPS3 board on page 1-15
A.1.2
10-pin IDC connector
The MPS3 board provides one 1V8 10‑pin IDC connector that supports P‑JTAG processor debug to
enable connection of DSTREAM or a compatible third‑party debugger. The connector also supports
Serial Wire Debug (SWD).
The 10‑pin IDC connector connects to general‑purpose pins on the FPGA. The availability of P‑JTAG or
SWD depends on the design that you implement in the FPGA.
The following figure shows the 10‑pin IDC connector, J15.
The following table shows the pin mapping for each P‑JTAG and SWD signal on the 10‑pin IDC
connector.
Pins 2, 6, 8, and 10 have pullup resistors to 1V8.
Pin 4 has a pulldown resistor to GND.
Related information
2.18 System debug on page 2-50
1.3 Location of components on the MPS3 board on page 1-15
A.1.3
20-pin Cortex debug and ETM connector
The MPS3 board provides one 1V8 20‑pin Cortex debug and Embedded Trace Macrocell (ETM)
connector. The connector supports P‑JTAG processor debug to enable connection of DSTREAM, or a
compatible third‑party debugger. The connector also supports Serial Wire Debug (SWD) and 4‑bit trace.
The 20‑pin Cortex debug and ETM connector connects to general‑purpose pins on the FPGA. The
availability of P‑JTAG, SWD, or 4‑bit trace depends on the design that you implement in the FPGA.
The following figure shows the 20‑pin Cortex debug and ETM connector, J12.
100765_0000_04_en
Note
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Non-Confidential
Table A-2 10-pin IDC connector, J15, pin mapping
Pin Signal
1
3
5
7
9
reserved.
A Signal descriptions
A.1 Debug connectors
Figure A-2 10-pin IDC connector
Pin Signal
1V8
2
SWDIO/TMS
GND
4
SWDCLK/TCK
GND
6
SWO/TDO
NC
8
NC/TDI
GNDDETECT 10
nSRST
2
10
1
9
Appx-A-72

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