UPD750004A datasheet(52/84 Pages) NEC

52 / 84 page

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

Group

Special

Mne-

monic

GETINotes 1, 2

Operand

taddr

Bytes

Machin-

ing

cycle

Skip

condition

Depends

on the

referenced

instruction.

Address-

ing area

*10

Operation

•

µPD750006, 750008

When the TBR instruction is used

PC12-0

← (taddr)4-0 + (taddr + 1)

When the TCALL instruction is used

(SP - 6) (SP - 3) (SP - 4)

← PC11-0

(SP - 5)

← 0, 0, 0, PC12

(SP - 2)

← ×, ×, MBE, RBE

PC12-0

← (taddr)4-0 + (taddr + 1)

← SP - 6

When an instruction other than the TBR

and TCALL instructions is used

Execution of (taddr)(taddr + 1)

instruction

Notes 1. The shaded portion is supported in Mk

ΙΙ mode only.

2. TBR and TCALL instructions are assembler pseudo instructions to define tables used for GETI instructions.

........................................................................

......................

UPD750004A Datasheet(PDF) 52 Page - NEC

UPD750004A Datasheet(HTML) 52 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 75 76 77 78 79 80 81 82 83 84

Datasheet Download

Link URL