
King Billion Electronics Co., Ltd
駿 億 電 子 股 份 有 限 公 司
HF88M32B
January 16, 2004
This specification is subject to change without notice. Please contact sales person for the latest version before use.
1
V1.11
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Table of Contents –
1.
General Description_______________________________________________________________2
2.
Features ________________________________________________________________________2
3.
Functional block diagram__________________________________________________________3
4.
Pin Description __________________________________________________________________3
5.
Pad Location ____________________________________________________________________5
6.
Device Operation _________________________________________________________________6
6.1.
Retrieve data in Data File ____________________________________________________________8
6.2.
Loading the Address Counter _________________________________________________________8
6.3.
Sequential Read Mode and Auto Increment of Address Counter ____________________________8
6.4.
Output data to External I/O __________________________________________________________9
6.5.
Reading Input pin status _____________________________________________________________9
6.6.
Retrieving the Contents of Extension I/O registers________________________________________9
7.
Timing Diagrams_________________________________________________________________9
7.1.
Data File Read Cycle _______________________________________________________________10
7.2.
Interrupted by I/O when Loading Address Counter______________________________________11
7.3.
Setting and Reading the I/O Mode for P0 and P1________________________________________11
7.4.
Reading P0 and P1 in Mixed-I/O Mode________________________________________________12
7.5.
Reading the input pins______________________________________________________________12
7.6.
Output to P0 and P1 Ports___________________________________________________________13
8.
Absolute Maximum Rating ________________________________________________________13
9.
AC/DC Electrical Characteristics ___________________________________________________13
10.
Application Circuit Diagram_____________________________________________________14
11.
Updated History _______________________________________________________________15