HF88M02 参数 Datasheet PDF下载

King Billion Electronics Co., Ltd

駿

億

電

子

股

�½

有

限

公

司

HF88M02

- Table of Contents -

1

2

3

4

5

6

Function Description______________________________________________________________2

Features ________________________________________________________________________2

Functional block diagram __________________________________________________________3

Pin Description __________________________________________________________________4

Pad Location ____________________________________________________________________5

Device Operation _________________________________________________________________6

6.1

6.2

6.3

6.4

6.5

6.6

Retrieve data in Data File ____________________________________________________________8

Loading the Address Counter _________________________________________________________8

Sequential Read Mode and Auto Increment of Address Counter ____________________________9

Output data to External I/O __________________________________________________________9

Reading Input pin status _____________________________________________________________9

Retrieving the Contents of Expansion I/O registers ______________________________________10

7

Timing Diagrams ________________________________________________________________10

7.1

7.2

7.3

7.4

7.5

7.6

Data File Read Cycle _______________________________________________________________11

Interrupted by I/O when Loading Address Counter______________________________________12

Setting and Reading the I/O Mode for P0 and P1 ________________________________________13

Reading P0 and P1 in Mixed-I/O Mode ________________________________________________14

Reading the input pins ______________________________________________________________15

Output to P0 and P1 Ports___________________________________________________________16

8

9

10

11

12

Absolute Maximum Rating ________________________________________________________16

AC Electrical Characteristics ______________________________________________________16

DC Electrical Characteristics ____________________________________________________17

Application Circuit Diagram _______________________________________________________17

Updated History _______________________________________________________________19

January 16, 2004

Page 1 of 19

V1.11

This specification is subject to change without notice. Please contact sales person for the latest version before use.