W55P241 Datasheet, PDF (1/32 Pages) List of Unclassifed Manufacturers – I/O device usable with many different microprocessors through SPI interface

W55P241
Table of Contents-
1. GENERAL DESCRIPTION ............................................................................................................. 2
2. FEATURES..................................................................................................................................... 2
3. PIN DESCRIPTION ........................................................................................................................ 4
4. BLOCK DIAGRAM .......................................................................................................................... 5
5. FUNCTIONAL DESCRIPTION ....................................................................................................... 5
5.1
SPI ................................................................................................................................. 5
5.2
BP0/BP1/BP2 ................................................................................................................ 9
5.3
Speedup Groups ......................................................................................................... 13
5.4
Wakeup ....................................................................................................................... 13
5.5
256-Level Output ......................................................................................................... 15
6. CONTROL AND STATUS REGISTERS....................................................................................... 17
6.1
I/O port......................................................................................................................... 17
6.2
AND ............................................................................................................................. 19
6.3
OR ............................................................................................................................... 20
6.4
XOR............................................................................................................................. 21
7. ELECTRICAL CHARACTERISTICS............................................................................................. 23
7.1
Absolute maximum ratings .......................................................................................... 23
7.2
DC Characteristics....................................................................................................... 23
7.3
AC Characteristics....................................................................................................... 23
8. TYPICAL APPLICATION CIRCUIT .............................................................................................. 25
9. PACKAGE INFORMATION .......................................................................................................... 26
10. DEMO BOARD ............................................................................................................................. 30
11. ORDERING INFORMATION ........................................................................................................ 31
12. REVISION HISTORY.................................................................................................................... 31
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