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UPD753012 Datasheet(PDF) 48 Page - NEC

Part # UPD753012
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  80 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD753012 Datasheet(HTML) 48 Page - NEC

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48
µPD753012, 753016, 753017
Instruction
Number
Number
Addressing
Mnemonic
Operand
of Machine
Operation
Skip Condition
Group
of Bytes
Cycles
Area
Table
MOVTNote 1
XA, @PCDE
1
3
XA
← (PC13–8+DE)ROM
•
µPD753017
XA
← (PC14–8+DE)ROM
XA, @PCXA
1
3
XA
← (PC13–8+XA)ROM
•
µPD753017
XA
← (PC14–8+XA)ROM
XA, @BCDENote 2
1
3
XA
← (B1,0+CDE)ROM
*6
•
µPD753017
*11
XA
← (B2–0+CDE)ROM
XA, @BCXANote 2
1
3
XA
← (B1,0+CXA)ROM
*6
•
µPD753017
*11
XA
← (B2–0+CXA)ROM
Bit transfer
MOV1
CY, fmem.bit
2
2
CY
← (fmem.bit)
*4
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
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
Notes 1.
The above operations in the shaded boxes can be performed only in the Mk II mode. The other
operations can be performed only in the Mk I mode.
2.
Only the following bits are valid for the B register.
µPD753012, 753016 : low-order 2 bits
µPD753017
: low-order 3 bits
Remark PC14 is fixed to 0 when the
µPD753017 is set in the Mk I mode.



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