SH7065 datasheet(32/941 Pages) RENESAS

32 / 941 page

Section 1 Overview

Rev. 5.00 Sep 11, 2006 page 10 of 916

REJ09B0332-0500

1.3.2

Pin Functions

Table 1.2 summarizes the pin functions.

Table 1.2

Pin Functions

Type

Symbol

I/O

Name

Function

Power supply

Vcc

Input

Power supply

For connection to the power supply.

Connect all VCC pins to the system power

supply. The chip will not operate if there

are any open pins. Apply the same

voltage to all VCC pins.*

Vss

Input

Ground

For connection to ground. Connect all

VSS pins to the system ground. The chip

will not operate if there are any open

pins.

PVcc

Input

I/O circuit

power supply

Power supply for the I/O circuits. The

chip will not operate if there are any

open pins. Apply the same voltage to all

PVCC pins.*

PVss

Input

I/O circuit

ground

Ground for the I/O circuits. The chip will

not operate if there are any open pins.

Clock

PLLVcc

Input

PLL power

supply

On-chip PLL oscillator power supply. The

chip will not operate if there are any

open pins.

PLLVss

Input

PLL ground

On-chip PLL oscillator ground. The chip

will not operate if there are any open

pins.

PLLCAP1

Input

PLL capacitance On-chip PLL oscillator 1 external

capacitance pin.

PLLCAP2

Input

PLL capacitance On-chip PLL oscillator 2 external

capacitance pin.

EXTAL

Input

External clock

For connection to a crystal resonator. An

external clock can also be input to the

EXTAL pin.

XTAL

Output

Crystal

For connection to a crystal resonator

CKIO

I/O

System clock I/O Used as external clock input or internal

clock output pin.

Output

System clock

output

Internal clock output pin.

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