LC665304A View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC665304A

Four-Bit Single-Chip Microcontrollers with 4, 6, 8, 12, and 16 KB of On-Chip ROM

SANYO -> Panasonic 

LC665304A, 665306A, 665308A, 665312A, 665316A

Continued from preceding page.

Pin

I/O

Overview

OSC1

OSC2

I System clock oscillator connections

When an external clock is used, leave

O OSC2 open and connect the clock signal

to OSC1.

Output driver type

Options

Ceramic oscillator

or external clock

selection

State after a Standby mode

reset

operation

Selected as

an option

Hold mode:

Oscillator

stopped

Halt mode:

Oscillator

operates

RES

System reset input

I

When the P33/HOLD pin is at the high

level, a low level input to the RES pin will

initialize the CPU.

TEST

CPU test pin

I This pin must be connected to VSS

during normal operation.

VDD

VSS

Power supply pins

Note: Pull-up MOS type: The output circuit includes a MOS transistor that pulls the pin up to VDD.

CMOS output: Complementary output.

OD output: Open-drain output.

User Options

1. Port 0, 1, 4, 5, and 8 output level at reset option

The output levels at reset for I/O ports 0, 1, 4, 5, and 8, in independent 4-bit groups, can be selected from the

following two options.

Option

1. Output high at reset

2. Output low at reset

Conditions and notes

The four bits of ports 0, 1, 4, 5, or 8 are set in a group

The four bits of ports 0, 1, 4, 5, or 8 are set in a group

2. Oscillator circuit options

• Main clock

Option

Circuit

Conditions and notes

1. External clock

OSC1

The input has Schmitt characteristics

2. Ceramic oscillator

C1 OSC1

Ceramic oscillator

C2

OSC2

Note: There is no RC oscillator option.

• Sub-clock

Option

1. Ports PE0 and PE1

Circuit

DSB

2 Sub-oscillator

(crystal oscillator)

C1

XT1

Crystal oscillator

C2

XT2

Input data

Conditions and notes

No. 5485-7/26

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