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UPD75P4308GS Datasheet(PDF) 24 Page - NEC

Part # UPD75P4308GS
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  60 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75P4308GS Datasheet(HTML) 24 Page - NEC

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µPD75P4308
24
Group
Mnemonic
Operand
No. of Machine
Operation
Addressing
Skip condition
bytes cycle
area
Memory bit
SET1
mem.bit
2
2
(mem.bit)
← 1*3
manipulate
fmem.bit
2
2
(fmem.bit)
← 1*4
pmem.@L
2
2
(pmem7 - 2 + L3 - 2.bit(L1 - 0))
← 1*5
@H + mem.bit
2
2
(H+mem3 - 0.bit)
← 1*1
CLR1
mem.bit
2
2
(mem.bit)
← 0*3
fmem.bit
2
2
(fmem.bit)
← 0*4
pmem.@L
2
2
(pmem7 - 2 + L3 - 2.bit(L1 - 0))
← 0*5
@H + mem.bit
2
2
(H+mem3 - 0.bit)
← 0*1
SKT
mem.bit
2
2 + S
Skip if (mem.bit) = 1
*3
(mem.bit)=1
fmem.bit
2
2 + S
Skip if (fmem.bit) = 1
*4
(fmem.bit)=1
pmem.@L
2
2 + S
Skip if (pmem7 - 2 + L3 - 2.bit(L1 - 0)) = 1
*5
(pmem.@L) = 1
@H + mem.bit
2
2 + S
Skip if (H + mem3 - 0.bit) = 1
*1
(@H + mem.bit) = 1
SKF
mem.bit
2
2 + S
Skip if (mem.bit) = 0
*3
(mem.bit) = 0
fmem.bit
2
2 + S
Skip if (fmem.bit) = 0
*4
(fmem.bit) = 0
pmem.@L
2
2 + S
Skip if (pmem7 - 2 + L3 - 2.bit(L1 - 0)) = 0
*5
(pmem.@L) = 0
@H + mem.bit
2
2 + S
Skip if (H + mem3 - 0.bit) = 0
*1
(@H + mem.bit) = 0
SKTCLR
fmem.bit
2
2 + S
Skip if (fmem.bit) = 1 and clear
*4
(fmem.bit) = 1
pmem.@L
2
2 + S
Skip if (pmem7 - 2 + L3 - 2.bit (L1 - 0)) = 1 and clear
*5
(pmem.@L) = 1
@H + mem.bit
2
2 + S
Skip if (H + mem3 - 0.bit) = 1 and clear
*1
(@H + mem.bit) = 1
AND1
CY, fmem.bit
2
2
CY
← CY ^ (fmem.bit)
*4
CY, pmem.@L
2
2
CY
← CY ^ (pmem7 - 2 + L3 - 2.bit(L1 - 0))
*5
CY, @H + mem.bit
2
2
CY
← CY ^ (H + mem3 - 0.bit)
*1
OR1
CY, fmem.bit
2
2
CY
← CY v (fmem.bit)
*4
CY, pmem.@L
2
2
CY
← CY v (pmem7 - 2 + L3 - 2.bit(L1 - 0))
*5
CY, @H + mem.bit
2
2
CY
← CY v (H + mem3 - 0.bit)
*1
XOR1
CY, fmem.bit
2
2
CY
← CY v (fmem.bit)
*4
CY, pmem.@L
2
2
CY
← CY v (pmem7 - 2 + L3 - 2.bit(L1 - 0))
*5
CY, @H + mem.bit
2
2
CY
← CY v (H + mem3 - 0.bit)
*1



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