UPD6P8 datasheet(51/95 Pages) NEC

51 / 95 page

µPD6P8, 6P8A, 6P8B

Data Sheet U17848EJ3V0DS

OUT Pn, #data8

<1> Instruction code:

0 011011 P2 P1 P0

0d7 d6 d5 d4 0d3 d2 d1 d0

<2> Cycle count:

<3> Function:

(Pn)

← data8 n = 0, 1, 3, 4

The immediate data is transferred to port Pn. In this case, port Pn refers to P1n to P0n operating in pairs.

10.6 Data Transfer Instructions

MOV A, R0n

MOV A, R1n

<1> Instruction code:

1 111 R4 0R3 R2 R1 R0

<2> Cycle count:

<3> Function:

(A)

← (Rmn) m = 0, 1 n = 0 to F

← 0

The register Rmn contents are transferred to the accumulator.

MOV A, @R0H

<1> Instruction code:

1 11101000 0

<2> Cycle count:

<3> Function:

(A)

← ((P13), (R0))7-4

← 0

The higher 4 bits (b7 b6 b5 b4) of the program memory specified by control register P13 and register pair

R10-R00 are transferred to the accumulator. b9 is ignored.

MOV A, @R0L

<1> Instruction code:

1 11111000 0

<2> Cycle count:

<3> Function:

(A)

← ((P13), (R0))3-0

← 0

The lower 4 bits (b3 b2 b1 b0) of the program memory specified by control register P13 and register pair

R10 to R00 are transferred to the accumulator. b8 is ignored.

• Program memory (ROM) contents

@R0 H@R0 L

MOV A, #data4

<1> Instruction code:

1 11111000 1

0 00000 d3 d2 d1 d0

<2> Cycle count:

<3> Function:

(A)

← data4

← 0

The immediate data is transferred to the accumulator.

UPD6P8 Datasheet(PDF) 51 Page - NEC

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