UPD750064CU datasheet(49/82 Pages) NEC

49 / 82 page

µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

Data Sheet U10165EJ2V0DS00

Instruction

Number

Addressing

Mnemonic

Operand

of Machine

Operation

Skip Condition

Group

of Bytes

Cycles

Area

Branch

BRNote

addr

–

µPD750064

PC11–0

← addr

Select appropriate instruction from among

BR !addr, BRCB !caddr and BR $addr

according to the assembler being used.

µPD750066, 750068

PC12–0

← addr

Select appropriate instruction from

among BR !addr, BRCB !caddr and BR

$addr according to the assembler

being used.

addr1

–

µPD750064

*11

PC11-0

← addr1

Select appropriate instruction from

among BR !addr, BRA !addr1, BRCB

!caddr and BR $addr1 according to the

assembler being used.

µPD750066, 750068

PC12–0

← addr1

Select appropriate instruction from

among BR !addr, BRA !addr1, BRCB

!caddr and BR $addr1 according to the

assembler being used.

! addr

µPD750064

PC11–0

← addr

µPD750066, 750068

PC12–0

← addr

$addr

µPD750064

PC11–0

← addr

µPD750066, 750068

PC12–0

← addr

$addr1

µPD750064

PC11–0

← addr1

µPD750066, 750068

PC12–0

← addr1

Note

The operations indicated with thick lines can be performed only in the Mk II mode. The other operations

can be performed only in the Mk I mode.

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