MCS9820
PCI to Single Serial Controller
Table of Contents
1. General Description.............................................................................................................................. 4
2. Features.................................................................................................................................................. 4
3. Applications........................................................................................................................................... 5
4. Ordering Information........................................................................................................................... 5
5. Application Schematic.......................................................................................................................... 5
6. Evaluation Board .................................................................................................................................. 5
7. Software Support .................................................................................................................................. 5
8. Certifications ......................................................................................................................................... 5
9. Block Diagram....................................................................................................................................... 6
10. Pin Diagram......................................................................................................................................... 7
11. Pin Descriptions .................................................................................................................................. 8
12. Architectural overview..................................................................................................................... 12
12.1 PCI Core .....................................................................................................................................................13
12.2 UART Core.................................................................................................................................................17
12.3. External EEPROM ...................................................................................................................................19
13. Extended Modes through EEPROM............................................................................................... 19
14. EEPROM Contents........................................................................................................................... 20
15. Electrical Specifications.................................................................................................................... 23
16. Mechanical Specifications – QFP .................................................................................................... 24
Revision History...................................................................................................................................... 25
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