H8SSLASH2225 datasheet(130/1071 Pages) RENESAS

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Section 1 Overview

Rev. 5.00 Aug 08, 2006 page 44 of 982

REJ09B0054-0500

1.3.3

Pin Functions

Table 1.6 lists the pin functions of the H8S/2258 Group. Table 1.7 lists the pin functions of the

H8S/2239 Group and H8S/2238 Group. Table 1.8 lists the pin functions of the H8S/2237 Group

and H8S/2227 Group.

Table 1.6

Pin Functions of H8S/2258 Group

Pin No.

Type

Symbol

TFP-100B

TFP-100BV

FP-100B

FP-100BV

FP-100A

FP-100AV

I/O

Function

Power

supply

VCC

Input

For connection to the power supply.

Connect all VCC pins to the system power

supply.

CVCC

Input

Connect a 0.1-µF stabilization capacitance

between this pin and ground. Permanent

damage on the chip may result if the

absolute maximum rating of CVCC 4.3 V is

exceeded. Must not connect the 5 V

external power supply to this pin.

See section 25, Power Supply Circuit, for

connection examples.

VSS

Input

For connection to the power supply (0 V).

Connect all VSS pins to the system power

supply (0 V).

Clock

XTAL

Input

For connection to a crystal resonator. For

examples of crystal resonator connection

and external clock input, see section 23,

Clock Pulse Generator.

EXTAL

Input

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 23, Clock Pulse Generator.

OSC1

Input

Connects to a 32.768 kHz crystal

resonator. See section 23, Clock Pulse

Generator, for typical connection diagrams

for a crystal resonator.

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