HD64F3664FP datasheet(37/444 Pages) RENESAS

37 / 444 page

Section 1 Overview

Rev. 6.00 Mar. 24, 2006 Page 9 of 412

REJ09B0142-0600

1.4

Pin Functions

Table 1.1

Pin Functions

Pin No.

H8/3664

H8/3664N

Type

Symbol

FP-64E,

FP-64A

FP-48F,

FP-48B

DP-42S

FP-64E

I/O

Functions

Power source

pins

Input

Power supply pin. Connect this pin to the

system power supply.

Input

Ground pin. Connect all these pins to the

system power supply (0V).

Input

Analog power supply pin for the A/D

converter. When the A/D converter is not

used, connect this pin to the system

power supply.

Input

Internal step-down power supply pin.

Connect a capacitor of around 0.1

µF

between this pin and the Vss pin for

stabilization.

Clock pins

OSC1

Input

OSC2

Output

These pins connect to a crystal or ceramic

resonator for system clocks, or can be

used to input an external clock.

These pins can be used to input an

external clock.

See section 5, Clock Pulse Generators,

for a typical connection.

Input

For connection to a 32.768 kHz crystal

resonator for subclocks.

See section 5, Clock Pulse Generators,

for a typical connection.

Output

System control

RES

Input

Reset pin. When this driven low, the chip

is reset.

TEST

Input

Test pin. Connect this pin to Vss.

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