W78L812A24LL(2006) Просмотр технического описания (PDF) - Winbond

Номер в каталоге

Компоненты Описание

Список матч

W78L812A24LL
(Rev.:2006)

8-BIT MICROCONTROLLER

Winbond 

W78LE812/W78L812A

6.6 Erase Verify Operation ................................................................................................. 15

6.7 Program/Erase Inhibit Operation .................................................................................. 15

6.8 Security Bits .................................................................................................................. 16

6.8.1 Lock Bit........................................................................................................................17

6.8.2 MOVC Inhibit ...............................................................................................................17

6.8.3 Encryption....................................................................................................................18

7. ABSOLUTE MAXIMUM RATINGS ........................................................................................... 18

8. DC CHARACTERISTICS.......................................................................................................... 19

9. AC CHARACTERISTICS .......................................................................................................... 21

9.1 Clock Input Waveform .................................................................................................. 21

9.2 Program Fetch Cycle .................................................................................................... 22

9.3 Data Read Cycle........................................................................................................... 22

9.4 Data Write Cycle ........................................................................................................... 22

9.5 Port Access Cycle......................................................................................................... 23

9.6 Program Operation ....................................................................................................... 23

10. TIMING WAVEFORMS ............................................................................................................. 24

10.1 Program Fetch Cycle .................................................................................................... 24

10.2 Data Read Cycle........................................................................................................... 24

10.3 Data Write Cycle ........................................................................................................... 25

10.4 Port Access Cycle......................................................................................................... 25

10.5 Program Operation ....................................................................................................... 26

11. TYPICAL APPLICATION CIRCUITS ........................................................................................ 27

11.1 Expanded External Program Memory and Crystal ....................................................... 27

11.2 Expanded External Data Memory and Oscillator ......................................................... 28

12. PACKAGE DIMENSIONS ......................................................................................................... 29

12.1 40-pin DIP ..................................................................................................................... 29

12.2 44-pin PLCC ................................................................................................................. 29

12.3 44-pin PQFP ................................................................................................................. 30

12.4 48-pin LQFP.................................................................................................................. 30

13. REVISION HISTORY ................................................................................................................ 31

-2-

Share Link: