UPD75004 Datasheet, PDF(37/66 Page) NEC – 4-BIT SINGLE-CHIP MICROCOMPUTER

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

UPD75004 Datasheet, PDF (37/66 Pages) NEC – 4-BIT SINGLE-CHIP MICROCOMPUTER

◁

ÂµPD75004, 75006, 75008

Instruc- Mne-

tions monics

Operand

Incre- INCS reg

ment/

@HL

Decre-

mem

ment DECS reg

Compare SKE

reg, #n4

@HL, #n4

A, @HL

A, reg

Carry SET1 CY

flag

CLR1 CY

Manipu- SKT

CY

lation NOT1 CY

Memory/ SET1 mem.bit

Bit

fmem.bit

Manipu-

pmem.@L

lation

@H+mem.bit

CLR1 mem.bit

fmem.bit

pmem.@L

@H+mem.bit

SKT

mem.bit

fmem.bit

pmem.@L

@H+mem.bit

SKF

mem.bit

fmem.bit

pmem.@L

@H+mem.bit

SKTCLR fmem.bit

pmem.@L

Bytes

Ma-

chine

Cyc-

les

1 1+S

2 2+S

2 2+S

1 1+S

2 2+S

2 2+S

1 1+S

2 2+S

1

1

1

1

1 1+S

1

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

2 2+S

@H+mem.bit 2 2+S

AND1 CY,fmem.bit

2

2

CY,pmem.@L 2

2

CY,@H+mem.bit 2

2

OR1 CY,fmem.bit

2

2

CY,pmem.@L 2

2

CY,@H+mem.bit 2

2

XOR1 CY,fmem.bit

2

2

CY,pmem.@L 2

2

CY,@H+mem.bit 2

2

Operation

reg â reg+1

(HL) â (HL)+1

(mem) â (mem)+1

reg â reg-1

Skip if reg = n4

Skip if (HL) = n4

Skip if A = (HL)

Skip if A = reg

CY â 1

CY â 0

Skip if CY = 1

CY â CY

(mem.bit) â 1

(fmem.bit) â 1

(pmem7-2 + L3-2.bit(L1-0)) â 1

(H + mem3-0.bit) â 1

(mem.bit) â 0

(fmem.bit) â 0

(pmem7-2 + L3-2.bit(L1-0)) â 0

(H+mem3-0.bit) â 0

Skip if (mem.bit) = 1

Skip if (fmem.bit) = 1

Skip if (pmem7-2+L3-2.bit (L1-0)) = 1

Skip if (H + mem3-0.bit) = 1

Skip if (mem.bit) = 0

Skip if (fmem.bit) = 0

Skip if (pmem7-2 +L3-2.bit (L1-0)) = 0

Skip if (H + mem3-0.bit) = 0

Skip if (fmem.bit) = 1 and clear

Skip if (pmem7-2+L3-2.bit

(L1-0)) = 1 and clear

Skip if (H+mem3-0.bit) = 1 and clear

CY â CY â§ (fmem.bit)

CY â CY â§ (pmem7-2+L3-2.bit(L1-0))

CY â CY â§ (H+mem3-0.bit)

CY â CY â¨ (fmem.bit)

CY â CY â¨ (pmem7-2+L3-2.bit (L1-0))

CY â CY â¨ (H+mem3-0.bit)

CY â CY â¨ (fmem.bit)

CY â CY â¨ (pmem7-2+L3-2.bit (L1-0))

CY â CY â¨ (H+mem3-0.bit)

Ad-

dress-

ing

Area

*1

*3

*1

*3

*4

*5

*1

*3

*4

*5

*1

*3

*4

*5

*1

*3

*4

*5

*1

*4

*5

*1

*4

*5

*1

*4

*5

*1

*4

*5

*1

Skip

Conditions

reg = 0

(HL) = 0

(mem) = 0

reg = FH

reg = n4

*1(HL) = n4

A = (HL)

A = reg

CY = 1

(mem.bit) = 1

(fmem.bit) = 1

(pmem.@L) = 1

(@H+mem.bit) = 1

(mem.bit) = 0

(fmem.bit) = 0

(pmem.@L) = 0

(@H+mem.bit) = 0

(fmem.bit) = 1

(pmem.@L) = 1

(@H+mem.bit) = 1

37

▷