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UPD750004A Datasheet(PDF) 44 Page - NEC

Part # UPD750004A
Description  4 BIT SINGLE-CHIP MICROCONTROLLER
PDF  84 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD750004A Datasheet(HTML) 44 Page - NEC

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µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
Group
Bit transfer
Arithme-
tic
Accumulator
manipulation
Increment/
decrement
Mne-
monic
MOV1
ADDS
ADDC
SUBS
SUBC
AND
OR
XOR
RORC
NOT
INCS
DECS
Operand
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
fmem.bit, CY
pmem.@L, CY
@H+mem.bit, CY
A, #n4
XA, #n8
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A, #n4
A, @HL
XA, rp'
rp'1, XA
A
A
reg
rp1
@HL
mem
reg
rp'
Bytes
2
2
2
2
2
2
1
2
1
2
2
1
2
2
1
2
2
1
2
2
2
1
2
2
2
1
2
2
2
1
2
2
1
2
1
1
2
2
1
2
Machin-
ing
cycle
2
2
2
2
2
2
1 + S
2 + S
1 + S
2 + S
2 + S
1
2
2
1 + S
2 + S
2 + S
1
2
2
2
1
2
2
2
1
2
2
2
1
2
2
1
2
1 + S
1 + S
2 + S
2 + S
1 + S
2 + S
Skip
condition
carry
carry
carry
carry
carry
borrow
borrow
borrow
reg = 0
rp1 = 00H
(HL) = 0
(mem) = 0
reg = FH
rp' = FFH
Address-
ing area
*4
*5
*1
*4
*5
*1
*1
*1
*1
*1
*1
*1
*1
*1
*3
Operation
CY
← (fmem.bit)
CY
← (pmem7-2 + L3-2.bit(L1-0))
CY
← (H + mem3-0.bit)
(fmem.bit)
← CY
(pmem7-2 + L3-2.bit(L1-0))
← CY
(H + mem3-0.bit)
← CY
A
← A + n4
XA
← XA + n8
A
← A + (HL)
XA
← XA + rp'
rp'1
← rp'1 + XA
A, CY
← A + (HL) + CY
XA, CY
← XA + rp' + CY
rp'1, CY
← rp'1 + XA + CY
A
← A - (HL)
XA
← XA - rp'
rp'1
← rp'1 - XA
A, CY
← A - (HL) - CY
XA, CY
← XA - rp' - CY
rp'1, CY
← rp'1 - XA - CY
A
← A
∧ n4
A
← A
∧ (HL)
XA
← XA
∧ rp'
rp'1
← rp'1
∧ XA
A
← A
∨ n4
A
← A
∨ (HL)
XA
← XA
∨ rp'
rp'1
← rp'1
∨ XA
A
← A
∨ n4
A
← A
∨ (HL)
XA
← XA
∨ rp'
rp'1
← rp'1
∨ XA
CY
← A0, A3 ← CY, An-1 ← An
A
← A
reg
← reg + 1
rp1
← rp1 + 1
(HL)
← (HL) + 1
(mem)
← (mem) + 1
reg
← reg - 1
rp'
← rp' - 1



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