PCA9564(2003) データシートの表示（PDF） - Philips Electronics

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PCA9564
(Rev.:2003)

Parallel bus to I2C-bus controller

Philips Electronics 

Philips Semiconductors

Parallel bus to I2C-bus controller

Product data

PCA9564

FEATURES

• Parallel-bus to I2C-bus protocol converter and interface

• Both master and slave functions

• Multi-master capability

• Internal oscillator reduces external components

• Operating supply voltage 2.3 V to 3.6 V

• 5 V tolerant I/Os

• Standard and fast mode I2C capable and compatible with SMBus

• ESD protection exceeds 2000 V HEM per JESD22-A114, 200 V

MM per JESD22-A115, and 1000 V CDM per JESD22-C101

• Latch-up testing is done to JEDEC Standard JESD78 which

exceed 100 mA.

• Packages offered: SO20, TSSOP20, HVQFN20

APPLICATIONS

• Add I2C bus port to controllers/processors that don’t have one

• Add additional I2C bus ports to controllers/processors that need

multiple I2C bus ports

• Higher frequency, lower voltage migration path for the PCF8584

• Converts 8 bits of parallel data to serial data stream to prevent

having to run a large number of traces across the entire PC board

DESCRIPTION

The PCA9564 is an integrated circuit designed in CMOS technology

that serves as an interface between most standard parallel-bus

microcontrollers/microprocessors and the serial I2C-bus and allows

the parallel bus system to communicate bi-directionally with the

I2C-bus. The PCA9564 can operate as a master or a slave and can

be a transmitter or receiver. Communication with the I2C-bus is

carried out on a byte-wise basis using interrupt or polled handshake.

The PCA9564 controls all the I2C-bus specific sequences, protocol,

arbitration and timing with no external timing element required.

The PCA9564 is similar to the PCF8584 but operates at lower

voltages and higher I@C frequencies. Other enhancements

requested by design engineers have also been incorporated.

Characteristic

Voltage range

Maximum

master mode

I2C frequency

Maximum slave

mode I2C

frequency

Clock source

Parallel

interface

PCA9564

2.3-3.6 V

360 kHz

PCF8584

4.5-5.5 V

90 kHz

Comments

PCA9564 is 5 V

tolerant

Faster I2C interface

400 kHz 100 kHz Faster I2C interface

Internal

Fast

50 MHz

External

Slow

Less expensive and

more flexible with

internal oscillator

Compatible with

faster processors

While the PCF8584 supported most parallel-bus microcontrollers/

microprocessors including the Intel 8049/8051, Motorola

6800/68000 and the Zilog Z80, the PCA9564 has been designed to

be very similar to the Philips standard 80C51 microcontroller I2C

hardware so the devices are not code compatible. Additionally, the

PCA9564 does not support the bus monitor “Snoop” mode nor the

long distance mode and is not foot print compatible with the

PCF8584.

ORDERING INFORMATION

PACKAGES

20-Pin Plastic SO

20-Pin Plastic TSSOP

20-Pin Plastic HVQFN

TEMPERATURE RANGE

-40 to +85 °C

-40 to +85 °C

-40 to +85 °C

ORDER CODE

PCA9564D

PCA9564PW

PCA9564BS

TOPSIDE MARK

PCA9564D

PCA9564

9564

Standard packing quantities and other packaging data are available at www.philipslogic.com/packaging.

DRAWING NUMBER

SOT163-1

SOT360-1

SOT662-1

2003 Apr 02

2

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