HD64F3670 datasheet(29/323 Pages) RENESAS

29 / 323 page

Rev. 2.0, 03/02, page 5 of 298

1.4

Pin Functions

Table 1.1 Pin Functions

Pin No.

Type

Symbol

FP-64E

FP-48F,

FP-48B

I/O

Functions

Power

source pins

Input

Power supply pin. Connect this pin

to the system power supply.

Input

Ground pin. Connect this pin to the

system power supply (0V).

31Input

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.

64Input

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.

See section 5, Clock Pulse

Generators, for a typical

connection.

System

control

5(6

Input

Reset pin. When this driven low, the

chip is reset.

TEST

Input

Test pin. Connect this pin to Vss.

Interrupt

pins

10,

Input

Non-maskable interrupt request

input pin.

,54,

,54

51, 54

37, 40

Input

External interrupt request input

pins. Can select the rising or falling

edge.

:.3 to

:.3

13, 14,

19 to 22

11 to 16

Input

External interrupt request input

pins. Can select the rising or falling

edge.

HD64F3670 Datasheet(PDF) 29 Page - Renesas Technology Corp

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