Citizen CBM-202 Series Manual do Utilizador descarregar pdf (Página 10)

CBM-202PC User’s Manual

CITIZEN

PIN NO. SIGNAL NAME I/O FUNCTION LOGIC

51 A14 O A14 HIGH

52 A15 O NC

−

53 A16 O NC

−

54 A17 O NC

−

55 A18 O NC

−

56 A19 O NC

−

57 VSS

−

GND

−

58 P60 O NC

−

59 P61 O NC

−

60 P62 O NC

−

O Clock output HIGH

62 STBY I

(Pull up in VCC with 10KΩ.)

LOW

63 RES I Reset input LOW

64 NMI I

(Pull up in VCC with 10K Ω.)

LOW

65 VSS

−

GND

−

66 EXTAL

−

EXTAL (16 MHz)

−

67 XTAL

−

XTAL (16 MHz)

−

68 VCC

−

VCC

−

69 P63 O NC

−

70 RD O RD LOW

71 HRW O HRW LOW

72 P66 O NC

−

73 MD0 I

( Pull up in VCC with 10KΩ.)

HIGH

74 MD1 I

(Pull down in GND with 10KΩ.)

LOW

75 MD2 I

(Pull up in VCC with 10K Ω.)

HIGH

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 39 40

USER’S MANUAL 1
CONTENTS 3
1.OUTLINE 5
2. GENERAL SPECIFICATIONS 5
3. HARDWARE SPECIFICATIONS 7
INPUT SYSTEM 27
CBM-202PC User’s Manual 31
31 31
CITIZEN 31
4. OPERATING TIMING 32
5. PACKAGE SPECIFICATIONS 33
7. COMMAND LIST 37
8. CHARACTER CODE TABLE 39

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Citizen CBM-202 Series Manual do Utilizador Página 10

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