Power Voltage Configuration - Renesas RTK79210**B00000BE User Manual

RZ/A2M SUB Board RTK79210XXB00000BE
2.9

Power Voltage Configuration

RTK79210XXB00000BE uses 5V power supply, and the regulator on the RZ/A2M CPU board generates 3.3V power
supply. 5V power supply can also be supplied from the RZ/A2M CPU board.
USB serial converter IC (U23) is operated by the VBUS power supply provided from USB Micro-B connector (CN5).
Figure 2.9.1 shows a power configuration diagram.
USB Mini-B
(CN13)
VBUS
AC adapter
(CN18)
USB Type-C (CN3)
VBUS
5V external power source
connector (CN4)
：Indicates a SUB board.
Figure 2.9.1 Power Configuration Diagram
R20UT4398EJ0100 Rev.1.00
2018.10.11
D5V D3.3V
Power source
switch
(SW1)
5V 3.3V
D1.8V
5V 1.8V
D1.2V
5V 1.2V
AVcc
Key input switch
3.3V peripheral device
Audio CODEC
Ethernet PHY
USB Type-A（CN12）
USB Micro-B
USB serial converter IC（U23）
(CN5)
VBUS
VDD
VBUS power supply
Jumper (JP3)
USB Type-C (CN3)
3.3V peripheral device
PVcc
USBDPVcc
A3.3V
AVcc
LVDSAPVcc
USBAPVcc
MIPIAVcc18
Vcc
LVDSPLLVcc
PLLVcc
D3.3V D1.8V ROMVcc
Serial flash memory (U2)
RZ/A2M (1.8V/3.3V)
JP1
PVcc_SPI
D3.3V D1.8V RAMVcc
HyperMCP (U3)
RZ/A2M (1.8V/3.3V)
JP2
PVcc_HO
D3.3V D1.8V
Power disconnect
(U4)
RZ/A2M (1.8V/3.3V)
3.3V/1.8V PVcc_SD0
PVcc_SD1
2. Function specifications
RZ/A2M (3.3V)
RZ/A2M (1.8V)
RZ/A2M (1.2V)
2-32