UPD6P8 NEC [NEC], UPD6P8 Datasheet - Page 41

• Manufacturer Part Number: UPD6P8
• Description: MOS INTEGRATED CIRCUIT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC [NEC]

10. INSTRUCTION SET
10.1 Machine Language Output by Assembler
is output by the assembler is extended to 16 bits per word. As shown in the example below, the extension is made
by inserting 3-bit extended bits (111) in two locations.
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 10-1. 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
Data Sheet U17848EJ3V0DS
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
µ PD6P8, 6P8A, 6P8B
= FAF0
= E6F8
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