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UPD754202 Datasheet(PDF) 39 Page - NEC

Part # UPD754202
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  66 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD754202 Datasheet(HTML) 39 Page - NEC

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39
µPD754202, 754202(A)
Instruction
Number
Number
Addressing
Mnemonic
Operand
of machine
Operation
Skip condition
group
of bytes
cycles
area
Bit transfer
MOV1
CY, fmem.bit
2
2
CY
← (fmem.bit)
*4
instructions
CY, pmem.@L
2
2
CY
← (pmem7–2+L3–2.bit(L1–0))
*5
CY, @H+mem.bit
2
2
CY
← (H+mem3–0.bit)
*1
fmem.bit, CY
2
2
(fmem.bit)
← CY
*4
pmem.@L, CY
2
2
(pmem7–2+L3–2.bit(L1–0))
← CY
*5
@H+mem.bit, CY
2
2
(H+mem3–0.bit)
← CY
*1
Operation
ADDS
A, #n4
1
1+S
A
← A+n4
carry
instructions
XA, #n8
2
2+S
XA
← XA+n8
carry
A, @HL
1
1+S
A
← A+(HL)
*1
carry
XA, rp'
2
2+S
XA
← XA+rp'
carry
rp'1, XA
2
2+S
rp'1
← rp'1+XA
carry
ADDC
A, @HL
1
1
A, CY
← A+(HL)+CY
*1
XA, rp'
2
2
XA, CY
← XA+rp'+CY
rp'1, XA
2
2
rp'1, CY
← rp'1+XA+CY
SUBS
A, @HL
1
1+S
A
← A–(HL)
*1
borrow
XA, rp'
2
2+S
XA
← XA–rp'
borrow
rp'1, XA
2
2+S
rp'1
← rp'1–XA
borrow
SUBC
A, @HL
1
1
A, CY
← A–(HL)–CY
*1
XA, rp'
2
2
XA, CY
← XA–rp'–CY
rp'1, XA
2
2
rp'1, CY
← rp'1–XA–CY
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
instructions
NOT
A
2
2
A
← A



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