UPD754304GS datasheet(47/74 Pages) NEC

47 / 74 page

µPD754302, 754304, 754302(A), 754304(A)

Instruction

Number

Addressing

Mnemonic

Operand

of machine

Operation

Skip condition

group

of bytes

cycles

area

CPU control

HALT

Set HALT Mode (PCC.2

← 1)

STOP

Set STOP Mode (PCC.3

← 1)

NOP

No Operation

Special

SEL

RBn

RBS

← n

(n = 0-3)

MBn

MBS

← n

(n = 0, 15)

GETI Notes 1, 2 taddr

• µPD754302

*10

• When TBR instruction

PC10–0

← (taddr) 2–0 + (taddr+1)

• When TCALL instruction

(SP–4) (SP–1) (SP–2)

← PC10–0

(SP–3)

← MBE, RBE, 0, 0

PC10–0

← (taddr) 2–0 + (taddr+1)

← SP–4

• When instruction other than TBR and

Depending on

TCALL instructions

the reference

(taddr) (taddr+1) instruction is executed.

instruction

• µPD754304

• When TBR instruction

PC11–0

← (taddr) 3–0 + (taddr+1)

• When TCALL instruction

(SP–4) (SP–1) (SP–2)

← PC11–0

(SP–3)

← MBE, RBE, 0, 0

PC11–0

← (taddr) 3–0 + (taddr+1)

← SP–4

• When instruction other than TBR and

Depending on

TCALL instructions

the reference

(taddr) (taddr+1) instruction is executed.

instruction

• µPD754302

*10

• When TBR instruction

PC10–0

← (taddr) 2–0 + (taddr+1)

• When TCALL instruction

(SP–6) (SP–3) (SP–4)

← PC10–0

(SP–5)

← 0, 0, 0, 0

(SP–2)

← ×, ×, MBE, RBE

PC10–0

← (taddr) 2–0 + (taddr+1)

← SP–6

• When instruction other than TBR and

Depending on

TCALL instructions

the reference

(taddr) (taddr+1) instruction is executed.

instruction

Notes 1.

The TBR and TCALL instructions are the table definition assembler directives of the GETI instruction.

The above operations in the double boxes can be performed only in the Mk II mode. The other

operations can be performed only in the Mk I mode.

––––––––––––––––––––––––––––––––––––– –––

––––––––––––

––––––––––––––––––––––––––––––––––––– –––

––––––––––––

––––––––––––––––––––––––––––––––––

––––––––––––

––––––––––––––––––––––––––––––––––

––––––––––––

––––––––––––––––––––––––––––––––––

––––––––––––

UPD754304GS Datasheet(PDF) 47 Page - NEC

UPD754304GS Datasheet(HTML) 47 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74

Datasheet Download

Link URL