80C51SL Datasheet, Intel

48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 Table 2 Pin Characteristics (Continued) Pin Name Type Term VSS VSS ADB0 IO ADB1 .

Table 1 Pin Descriptions Symbol Type Description VSS Circuit ground potential VCC Supply voltage during normal Idle and Power-Down operation nominally a5V g10% for 8XC51SL a3 3V g 0 3V for Low Voltage 8XC51SL PCDB0
  – 7 I O Hos.