UPD63AGS NEC, UPD63AGS Datasheet - Page 30

• Manufacturer Part Number: UPD63AGS
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC

9. INSTRUCTION SET
9.1 Machine Language Output by Assembler
is output by the assembler is extended to 16 bits per word. As shown in the example below, the expansion is made
by inserting 3-bit extended bits (111) in two locations.
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The bit length of the machine language of this product is 10 bits per word. However, the machine language that
<1> In the case of “ANL A, @R0H”
<2> In the case of “OUT P0, #data8”
Figure 9-1. Example of Assembler Output (10 bits extended to 16 bits)
Extended bits
Extended bits
1 1 1
1 1 1
1
1
0
0
1 0 1 0
1 0 1 0
0 1 1 0
0 1 1 0
Extended bits
Extended bits
1 1 1
1 1 1
1
1
0 0 0 0
1 0 0 0
1
1
0 0 0 0
1 0 0 0
= FAF0
= E6F8
PD63, 63A, 64