Datasheet > CDP68HC68P1M

CDP68HC68P1M

更新时间： 2024-11-28 22:40:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		光电二极管
页数	文件大小	规格书
9页	245K
描述
CMOS Serial 8-Bit Input/Output Port

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CDP68HC68P1M 数据手册

CDP68HC68P1

Data Sheet

September 2003

FN1858.3

CMOS Serial 8-Bit Input/Output Port

Features

The CDP68HC68P1 is a serially addressed 8-bit

• Fully Static Operation

Input/Output port that allows byte or individual bit control. It

consists of three registers, an output buffer and control logic.

Data is shifted in and out of the device via shift register that

utilizes the SPI (Serial Peripheral Interface) bus. The I/O port

data flow is controlled by the Data Direction Register and

data is stored in the Data Register that outputs or senses the

logic levels at the buffered I/O pins. All inputs, including the

serial interface are Schmitt triggered. This device also

features a compare function that compares the data register

and port pin values for 4 programmable conditions and sets

a software accessible flag if the condition is satisfied. The

user also has the option of bit-set or bit-clear when writing to

the data register.

• Operating Voltage Range 3-6V

• Compatible with Intersil/Motorola SPI Bus

• 2 External Address Pins Tied to V

4 Devices to Share the Same Chip Enable

or V to Allow Up to

• Versatile Bit-Set and Bit-Clear Capability

• Accepts Either SCK Clock Polarity - SCK Voltage Level is

Latched When Chip Enable Goes Active

• All Inputs are Schmitt-Trigger

• 8-Bit I/O Port - Each Bit can be Individually Programmed

as an Input or Output Via an 8-Bit Data Direction Register

• Programmable On Board Comparator

Ordering Information

• Simultaneous Transfer of Compare Information to CPU

During Read or Write - Separate Access Not Required

TEMP.

PKG.

NO.

PART NUMBER

CDP68HC68P1E

CDP68HC68P1M

RANGE ( C)

PACKAGE

16 Ld PDIP

16 Ld SOIC

Pinout

-55 to 85

E16.3

M16.15

CDP68HC68P1

(PDIP, SOIC)

TOP VIEW

-55 to 85

16 V

15 D1

14 D2

13 D3

12 D4

11 D5

10 D6

MISO

MOSI

SCK

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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