RZSLASHA datasheet(54/83 Pages) RENESAS

Part #	RZ/A

Description	RZ/G2UL, RZ/A3UL, RZ/Five SMARC Module Board

PDF	83 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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RZ Family / RZ/G, RZ/A Series

2. Functional Specifications

R01UH0990EJ0101

Rev.1.01

Page 54 of 83

Jul 28, 2022

2.10

Debug Interface

Figure 2.12 shows a block diagram of debug interface.

Ths interface supports JTAG and SWD and has debug support for Cortex-A55 and Cortex-M33.

The default operation for the debug interface uses pin 9 as a ground detect, although with resitor(R20) fitting options, it

is possible to use this to independently drive the JTAG_TRST#.

When debug mode is disabled (SW1-1: DEBUGEN is ON), JTAG_TRST# is permanently low.

On the other hands, when debug mode is enabled (SW1-1: DEBUGEN is OFF), JTAG_TRST# is initially low on

powerup and then ramps up to 1.8V.

Figure 2.12

Block Diagram of Debug I/F

TMS_SWDIO

VDD18

TCK_SWDCLK

TDO_SWO

TDI

TRST#

RZ/G2UL, RZ/A3UL, RZ/Five

RZ/A3UL SMARC Module Board

OCTAL Edition

RZ/A3UL SMARC Module Board

QSPI Edition

RZ/G2UL SMARC Module Board

RZ/Five SMARC Module Board

RZ/A Datasheet(PDF) 54 Page - Renesas Technology Corp