King Billion Electronics Co., Ltd
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HF88M04
- Table of Contents -
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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 _______________________________________9
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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
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10
11
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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.