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UPD62A

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

NEC => Renesas Technology 

µPD62A

9. INSTRUCTION SET

9.1 Machine Language Output by Assembler

The bit length of the machine language of this product is 10 bits per word. However, the machine language that

is output by the assembler is extended to 16 bits per word. As shown in the example below, the extension is made

by inserting 3-bit extended bits (111) in two locations.

Figure 9-1. Example of Assembler Output (10 Bits Extended to 16 Bits)

<1> In the case of “ANL A, @R0H”

1 1010 1 0000

1 1 1 1 1 0 1 0 1 1 1 1 0 0 0 0 = FAF0

Extended bits

Extended bits

<2> In the case of “OUT P0, #data8”

0 0110 1 1000

1 1 1 0 0 1 1 0 1 1 1 1 1 0 0 0 = E6F8

Extended bits

Extended bits

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Data Sheet U14474EJ1V0DS00

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