HF88M32B Datasheet, PDF (1/15 Pages) King blillion Electronics Co.,Ltd. – command interfaced 4M x 8 bit Mask ROM

King Billion Electronics Co., Ltd _HF88M32B
駿億電子股份有限公司
- 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
January 16, 2004
1
V1.11
This specification is subject to change without notice. Please contact sales person for the latest version before use.