User`s manual

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CBM-202PC-04 User’s Manual

11 CITIZEN

Pin No. Signal I/O Function Logic

51 A14 Output A14 HIGH

52 A15 Output NC -

53 A16 Output NC -

54 A17 Output NC -

55 A18 Output NC -

56 A19 Output NC -

57 VSS - GND -

58 P60 Output NC -

59 P61 Output NC -

60 P62 Output NC -

61 Ø Output Clock output HIGH

62 STBY Input (Pull up to VCC at 10k) LOW

63 RES Input Reset input LOW

64 NMI Input (Pull up to VCC at 10k) LOW

65 VSS - GND -

66 EXTAL - EXTAL (16MHz) -

67 XTAL - XTAL (16MHz) -

68 VCC - VCC -

69 P63 Output NC -

70 RD Output RD LOW

71 HRW Output HRW LOW

72 P66 Output NC -

73 MD0 Input (Pull up to VCC at 10k) HIGH

74 MD1 Input (Pull down to GND at 10k) LOW

75 MD2 Input (Pull up to VCC at 10k) HIGH