RZ_G2UL datasheet(50/83 Pages) RENESAS

50 / 83 page

RZ Family / RZ/G, RZ/A Series

2. Functional Specifications

R01UH0990EJ0101

Rev.1.01

Page 50 of 83

Jul 28, 2022

2.7

Reset Control

Figure 2.8 shows block diagrams of a reset control for the RTK9743U11S01000BE (Evaluation board Kit for

RZ/G2UL MPU).

For the RTK9743U11C01000BE, the interfaces of DDR4 SDRAM, QSPI flash memory, eMMC memory, Ethernet and

Debug are controlled by reset signal from the PMIC.

There are two types of system resets: power-on reset and reset by the button switch.

RST_#

eMMC memory

nRESET

JTAG conn

RESET_N

Ethernet PHY_0

Ethernet PHY_1

RESET#

QSPI flash memory

RESET_N

DDR4 SDRAM

RESET_IN#

RESET_BTN#

VIN

VOUT

ENABLE

VIN

VOUT

ENABLE

VIN

EN1

OUT1

FLT1

EN2

OUT2

FLT2

5.0V

3.3V

5.0V

1.8V

5V_BOARD

5V_PMOD

3.3V

RZ/G2UL

ISL80102

ISL61852

Note:

shows the Carrier Board

RESET_N

1.8V->3.3V

NRESET

DDR_RESET#

SD0_RESET#

QSPI_RESET#

PRST#

TRST#

PMIC

GNDDetect(TRST#)

PRESET#_18

WDTOVF_PERROUT#

DNF*

* You can use reset signal(TRST#) from JTAG.

If you want to use TRST# signal, please see the section2.9

SLG7RN45356

Figure 2.8

Block Diagram of Reset Control

RZ/A3UL SMARC Module Board

OCTAL Edition

RZ/A3UL SMARC Module Board

QSPI Edition

RZ/G2UL SMARC Module Board

RZ/Five SMARC Module Board

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