UPD6P9 datasheet(46/73 Pages) RENESAS

46 / 73 page

µPD67, 67A, 68, 68A, 69

Data Sheet U14935EJ2V1DS

9.5 I/O Instructions

IN A, P0n

IN A, P1n

<1> Instruction code:

1 111 P4 11 P2 P1 P0

<2> Cycle count:

<3> Function:

(A)

← (Pmn) m = 0, 1 n = 0, 1, 3, 4

← 0

The port Pmn data is loaded (read) onto the accumulator.

OUT P0n, A

OUT P1n, A

<1> Instruction code:

0 010 P4 11 P2 P1 P0

<2> Cycle count:

<3> Function:

(Pmn)

← (A) m = 0, 1 n = 0, 1, 3, 4

The accumulator contents are transferred to port Pmn to be latched.

ANL A, P0n

ANL A, P1n

<1> Instruction code:

1 101 P4 11 P2 P1 P0

<2> Cycle count:

<3> Function:

(A)

← (A) (Pmn) m = 0, 1 n = 0, 1, 3, 4

← A3 • Pmn

The accumulator contents and the port Pmn contents are ANDed and the results are entered in the

accumulator.

ORL A, P0n

ORL A, P1n

<1> Instruction code:

1 110 P4 11 P2 P1 P0

<2> Cycle count:

<3> Function:

(A)

← (A) ∨ (Pmn) m = 0, 1 n = 0, 1, 3, 4

← 0

The accumulator contents and the port Pmn contents are ORed and the results are entered in the

accumulator.

XRL A, P0n

XRL A, P1n

<1> Instruction code:

1 010 P4 11 P2 P1 P0

<2> Cycle count:

<3> Function:

(A)

← (A) ∨ (Pmn) m = 0, 1 n = 0, 1, 3, 4

← A3 • Pmn

The accumulator contents and the port Pmn contents are exclusive-ORed and the results are entered

in the accumulator.

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