SH7713 datasheet(59/904 Pages) RENESAS

59 / 904 page

Section 1 Overview and Pin Function

Rev.1.50 Aug. 30, 2006 Page 19 of 860

REJ09B0288-0150

1.3.2

Pin Functions

Table 1.2 lists the pin functions.

Table 1.2

Pin Functions

Classification

Symbol

I/O

Name

Function

Vcc



Power supply

Power supply for the internal LSI

and ports for the system. Connect

all Vcc pins to the system power

supply. There will be no operation

if any pins are open.

Vss



Ground

Ground pin. Connect all Vss pins

to the system power supply (0 V).

There will be no operation if any

pins are open.

VccQ



Power supply

Power supply for I/O pins. Connect

all VccQ pins to the system power

supply. There will be no operation

if any pins are open.

Power supply

VssQ



Ground

Ground pin. Connect all VssQ pins

to the system power supply (0 V).

There will be no operation if any

pins are open.

Clock

Vcc-PLL1

PLL1 power

supply

Power supply for the on-chip PLL1

oscillator.

Vss-PLL1

PLL1 ground

Ground pin for the on-chip PLL1

oscillator.

Vcc-PLL2

PLL2 power

supply

Power supply for the on-chip PLL2

oscillator.

Vss-PLL2

PLL2 ground

Ground pin for the on-chip PLL2

oscillator.

EXTAL

External clock

For connection to a crystal

resonator. This pin can be also

used for external clock input. For

examples of crystal resonator

connection and external clock

input, see section 11, On-Chip

Oscillation Circuits.

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