W78L801 Просмотр технического описания (PDF) - Winbond

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W78L801

8-BIT MICROCONTROLLER

Winbond 

W78L801 Data Sheet

8-BIT MICROCONTROLLER

Table of Contents-

1. GENERAL DESCRIPTION ......................................................................................................... 2

2. FEATURES ................................................................................................................................. 2

3. PIN CONFIGURATIONS ............................................................................................................ 3

4. PIN DESCRIPTION..................................................................................................................... 5

5. BLOCK DIAGRAM ...................................................................................................................... 6

6. FUNCTIONAL DESCRIPTION ................................................................................................... 7

6.1 Interrupt System ................................................................................................................ 8

7. ELECTRICAL CHARACTERISTICS......................................................................................... 14

7.1 Absolute Maximum Ratings............................................................................................. 14

7.2 DC Characteristics........................................................................................................... 14

7.3 AC Characteristics ........................................................................................................... 16

8. TIMING WAVEFORMS ............................................................................................................. 19

8.1 Program Fetch Cycle ....................................................................................................... 19

8.2 Data Read Cycle.............................................................................................................. 19

8.3 Data Write Cycle.............................................................................................................. 20

8.4 Port Access Cycle............................................................................................................ 20

9. PACKAGE DIMENSIONS ......................................................................................................... 21

9.1 40-pin DIP........................................................................................................................ 21

9.2 44-pin PLCC .................................................................................................................... 21

9.3 44-pin PQFP .................................................................................................................... 22

9.4 48-pin LQFP .................................................................................................................... 22

10. TYPICAL APPLICATION CIRCUIT........................................................................................... 23

10.1 Keyboard ..................................................................................................................... 23

11. REVISION HISTORY ................................................................................................................ 24

Publication Release Date: June 04, 2006

-1-

Revision A10

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