Renesas RA Family RA4 Quick Design Guide
R01AN5988EU0100 Rev.1.00 Page 7 of 51
Jul.21.21
2.2 JTAG Interface
The following diagram shows the typical connectivity of the debug interface when using an ARM-standard
JTAG debug interface.
Figure 2. JTAG Interface Connections
Note: 1. The output of the reset circuit of the user system must be open collector.
2. Use 4.7-kΩ to 10-kΩ pull-ups on TMS, TCK, and TDI.
3. Arm Cortex-M4 devices, such as RA4M1, do not support the TRACECLK or TRACEDATA[n] pins.
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