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UPD750064CU Datasheet(PDF) 47 Page - NEC

Part # UPD750064CU
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  82 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD750064CU Datasheet(HTML) 47 Page - NEC

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µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
Instruction
Number
Number
Addressing
Mnemonic
Operand
of Machine
Operation
Skip Condition
Group
of Bytes
Cycles
Area
Operation
AND
A, #n4
2
2
A
← A ∧ n4
A, @HL
1
1
A
← A ∧ (HL)
*1
XA, rp'
2
2
XA
← XA ∧ rp'
rp'1, XA
2
2
rp'1
← rp'1 ∧ XA
OR
A, #n4
2
2
A
← A ∨ n4
A, @HL
1
1
A
← A ∨ (HL)
*1
XA, rp'
2
2
XA
← XA ∨ rp'
rp'1, XA
2
2
rp'1
← rp'1 ∨ XA
XOR
A, #n4
2
2
A
← A v n4
A, @HL
1
1
A
← A v (HL)
*1
XA, rp'
2
2
XA
← XA v rp'
rp'1, XA
2
2
rp'1
← rp'1 v XA
Accumulator
RORC
A
1
1
CY
← A0, A3 ← CY, An–1 ← An
manipulation
NOT
A
2
2
A
← A
Increment
INCS
reg
1
1+S
reg
← reg+1
reg = 0
and
Decrement
rp1
1
1+S
rp1
← rp1+1
rp1 = 00H
@HL
2
2+S
(HL)
← (HL)+1
*1
(HL) = 0
mem
2
2+S
(mem)
← (mem)+1
*3
(mem) = 0
DECS
reg
1
1+S
reg
← reg–1
reg = FH
rp'
2
2+S
rp'
← rp'–1
rp' = FFH
Comparison
SKE
reg, #n4
2
2+S
Skip if reg = n4
reg = n4
@HL, #n4
2
2+S
Skip if (HL) = n4
*1
(HL) = n4
A, @HL
1
1+S
Skip if A = (HL)
*1
A = (HL)
XA, @HL
2
2+S
Skip if XA = (HL)
*1
XA = (HL)
A, reg
2
2+S
Skip if A = reg
A = reg
XA, rp'
2
2+S
Skip if XA = rp'
XA = rp'
Carry flag
SET1
CY
1
1
CY
← 1
manipulation
CLR1
CY
1
1
CY
← 0
SKT
CY
1
1+S
Skip if CY = 1
CY = 1
NOT1
CY
1
1
CY
← CY



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