NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed b.

of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device befor.

Table 2-1. Pin Input/Output Circuit Types Correction of ports 8 and 9 input/output circuit types Figure 2-1. I/O Circuits of Pins Change of type 17-A to type 17-G Addition of oscillator mode register to Table 3-5. Special Function Register List 4.1 E.

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