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CXP5086

CMOS 4-bit Single Chip Microcomputer

Sony Semiconductor 

CXP5084/5086

CMOS 4-bit Single Chip Microcomputer

For the availability of this product, please contact the sales office.

Description

The CXP5084/5086 is a CMOS 4-bit microcomputer

which consists of 4-bit CPU, ROM, RAM, I/O port,

8-bit timer, 8-bit timer/counter, 18-bit time base timer,

8-bit serial I/O, vector interruption, power on reset

function and a liquid crystal displayer (LCD) controller/

driver. They are integrated into a single clip with the

standby function etc. which are to be operated at low

power consumption.

64 pin SDIP (Plastic)

64 pin QFP (Plastic)

Features

• Instruction cycle 3.8µs/4.19MHz

Structure

Silicon gate CMOS IC

1.9µs/4.19MHz

(High speed version)

• ROM capacity 4096 × 8 bits (CXP5084)

6144 × 8 bits (CXP5086)

• RAM capacity 400 × 4 bits

(Including stack, display area)

• 32 general purpose I/O ports

• LCD controller/driver (Direct drive possible)

— Optional specification of 24, 20 or 16 segment outputs

— 1/2, 1/3, 1/4 duty selectable through program

— 1/3 bias

• 2 external interruption input pins

• 8-bit/4-bit variable serial I/O

• 8-bit timer, 8-bit timer/event counter and 18-bit time

base timer are independently controllable

• Arithmetic and logical operations possible between

the entire RAM area, I/O area and the accumulator

by means of memory mapped I/O

• Reference to the entire ROM area is possible with

the table look-up instruction

• 2 types of power down modes: sleep and stop

• Power on reset circuit (Mask option)

• Available option of either crystal oscillation or CR

oscillation (mask option) types for the oscillation

circuit

• 64-pin plastic SDIP/QFP available

• Piggyback package (CXP5080) available

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

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E90377A7Z-PS

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