User Manual For Cyclone LC Programmers
27
3.18.1.2 SWD Mode Pin Assignments
Cyclone LC
programmers also support SWD Mode. This replaces the JTAG connection with a
clock and single bi-directional data pin.
10-Pin Keyed Mini Connector SWD Mode Pin Assignments
PIN 1 -
TVCC
TMS/SWDIO -
PIN 2
PIN 3 -
GND
TCK/SWCLK -
PIN 4
PIN 5 -
GND
NC* -
PIN 6
PIN 7 -
NC
NC* -
PIN 8
PIN 9* -
NC
RESET -
PIN 10
*The pin is reserved for internal use within the PEmicro interface.
SWD Mode is selected from the “Communication Mode” drop-down box in the Cyclone Image
Creation Utility:
Figure 3-14: Communications Mode Selection
3.18.1.2.1 High-Performance Communications (FX ONLY)
If high-performance options are available for the selected device they will appear in the “Shift
Frequency in MHz” drop-down.
Cyclone
FX
programmers are capable of high-performance
communications when using certain ARM Cortex targets in SWD mode.
Note: Cyclone LC
programmers cannot currently take advantage of high-performance options, although
the frequencies appear in the display.
Figure 3-15: High-Performance Options (FX ONLY)
3.18.2
PORT B: 20-Pin Keyed Mini Connector (Kinetis, S32 (ARM), other PEmicro-Supported ARM
devices)
3.18.2.1 JTAG Mode Pin Assignments
The Cyclone provides a keyed 20-pin 0.050-inch pitch double row connector for ARM targets. The
location of the this header is indicated as PORT B in
. The 20-pin keyed mini connector
pin definitions for JTAG mode are as follows:
20-Pin Keyed Mini Connector JTAG Mode Pin Assignments
PIN 1 -
TVCC
TMS -
PIN 2
PIN 3 -
GND
TCK -
PIN 4
PIN 5 -
GND
TDO -
PIN 6
PIN 7 -
NC
TDI -
PIN 8
PIN 9 -
NC*
RESET -
PIN 10
PIN 11 -
NC
NC* -
PIN 12
PIN 13 -
NC
NC* -
PIN 14
PIN 15 -
GND
NC* -
PIN 16
PIN 17 -
GND
NC* -
PIN 18
PIN 19 -
GND
NC* -
PIN 20
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