Renesas R5S72642 Manual Do Utilizador
Section 1 Overview
R01UH0134EJ0400 Rev. 4.00
Page 19 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
1.5
Pin Functions
Table 1.3
Pin Functions
Classification Symbol
I/O Name
Function
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.
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.
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
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.
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
PLL
Power supply for the on-chip PLL
oscillator.
oscillator.
PLLVss
I
Ground for PLL
Ground pin for the on-chip PLL
oscillator.
oscillator.
Clock
EXTAL
I
External clock
Connected to a crystal resonator. An
external clock signal may also be
input to the EXTAL pin.
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
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.
A clock input to the divider is
selected from an oscillation clock
input on this pin or pins AUDIO_X1
and AUDIO_X2.