Calculatrices


MODULES MEMOIRES HP48 GX



01. GND (Masse)
02. 1:ROM / 0:RAM
03. 1:No Card (Carte Absente)
04. WRITE PROTECT (0:Protected 1:UnProtected)
05. Video Bus (Port 1)   /  Bank switching (Port 2)
06. Video Bus (Port 1)   /  Bank switching (Port 2)
07. Video Bus (Port 1)   /  Bank switching (Port 2)
08. Video Bus (Port 1)   /  Bank switching (Port 2)
09. Video Bus (Port 1)   /  Bank switching (Port 2)
10. Video Bus (Port 1)   /  Bank switching (Port 2)
11. D0
12. D1
13. D2        D B
14. D3        A U
15. D4        T S
16. D5        A
17. D6
18. D7
    __
19. OE OUTOUT ENABLE
20. CS CHIP SELECT
    __
21. WE WRITE ENABLE
22. A16
23. A15
24. A14
25. A13
26. A12
27. A11       A B
28. A10       D U
29. A09       D S
30. A08       R
31. A07       E
32. A06       S
33. A05       S
34. A04
35. A03
36. A02
37. A01
38. A00
39. INTERNAL BATTERY (Etat de la pile)
40. +Vcc INPUT





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