Renesas R5S72621 User Manual

 

Section 1   Overview 

R01UH0134EJ0400  Rev. 4.00  

 

Page 19 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

Power supply 

Vcc 

I 

Power supply 

Power supply pins. All the Vcc pins 
must be connected to the system 
power supply. This LSI does not 
operate correctly if there is a pin left 
open. 

Vss 

I 

Ground 

Ground pins. All the Vss pins must 
be connected to the system power 
supply (0 V). This LSI does not 
operate correctly if there is a pin left 
open. 

PVcc 

I 

Power supply for 
I/O circuits 

Power supply for I/O pins. All the 
PVcc pins must be connected to the 
system power supply. This LSI does 
not operate correctly if there is a pin 
left open. 

PLLVcc 

I 

Power supply for 
PLL 

Power supply for the on-chip PLL 
oscillator. 

PLLVss 

I 

Ground for PLL 

Ground pin for the on-chip PLL 
oscillator. 

Clock 

EXTAL 

I 

External clock 

Connected to a crystal resonator. An 
external clock signal may also be 
input to the EXTAL pin.  

XTAL 

O 

Crystal 

Connected to a crystal resonator.  

CKIO 

O 

System clock I/O Supplies the system clock to external 

devices. 

 

AUDIO_CLK 

I 

External clock for 
audio 

Input pin of external clock for audio. 
A clock input to the divider is 
selected from an oscillation clock 
input on this pin or pins AUDIO_X1 
and AUDIO_X2.