參數(shù)資料
型號: UPD75008
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 37/66頁
文件大?。?/td> 542K
代理商: UPD75008
μ
PD75004, 75006, 75008
37
Ma-
chine
Cyc-
les
Ad-
dress-
ing
Area
Instruc-
tions
Mne-
monics
Operand
Bytes
Operation
Skip
Conditions
Incre-
ment/
Decre-
ment
INCS
reg
@HL
mem
reg
1
2
2
1
1+S
2+S
2+S
1+S
reg
reg+1
(HL)
(HL)+1
(mem)
(mem)+1
reg
reg-1
Skip if reg = n4
Skip if (HL) = n4
Skip if A = (HL)
Skip if A = reg
CY
1
CY
0
Skip if CY = 1
CY
CY
(mem.bit)
1
reg = 0
(HL) = 0
(mem) = 0
reg = FH
*1
*3
DECS
Compare SKE
reg, #n4
@HL, #n4
A, @HL
A, reg
2
2
1
2
2+S
2+S
1+S
2+S
reg = n4
*1(HL) = n4
A = (HL)
A = reg
*1
Carry
flag
Manipu- SKT
lation
SET1
CLR1
CY
CY
CY
CY
1
1
1
1
1
1
1+S
1
CY = 1
NOT1
Memory/ SET1
Bit
Manipu-
lation
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
2
2
2
2
2
2
2
2
*3
*4
*5
*1
(fmem.bit)
1
(pmem
7-2
+ L
3-2
.bit(L
1-0
))
1
(H + mem
3-0
.bit)
1
CLR1
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
2
2
2
2
2
2
2
2
(mem.bit)
0
*3
*4
*5
*1
(fmem.bit)
0
(pmem
7-2
+ L
3-2
.bit(L
1-0
))
0
(H+mem
3-0
.bit)
0
Skip if (mem.bit) = 1
Skip if (fmem.bit) = 1
SKT
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
2
2
2
2
2+S
2+S
2+S
2+S
*3
*4
*5
*1
(mem.bit) = 1
(fmem.bit) = 1
(pmem.@L) = 1
Skip if (pmem
7-2
+L
3-2
.bit (L
1-0
)) = 1
Skip if (H + mem
3-0
.bit) = 1
(@H+mem.bit) = 1
SKF
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
2
2
2
2
2+S
2+S
2+S
2+S
Skip if (mem.bit) = 0
Skip if (fmem.bit) = 0
*3
*4
*5
*1
(mem.bit) = 0
(fmem.bit) = 0
(pmem.@L) = 0
Skip if (pmem
7-2
+L
3-2
.bit (L
1-0
)) = 0
Skip if (H + mem
3-0
.bit) = 0
(@H+mem.bit) = 0
SKTCLR
fmem.bit
2
2
2+S
2+S
Skip if (fmem.bit) = 1 and clear
Skip if (pmem
7-2
+L
3-2
.bit
(L
1-0
)) = 1 and clear
*4
*5
(fmem.bit) = 1
(pmem.@L) = 1
pmem.@L
@H+mem.bit
CY,fmem.bit
2
2
2+S
2
Skip if (H+mem
3-0
.
bit) = 1 and clear
CY
CY
(fmem.bit)
CY
CY
(pmem
7-2
+L
3-2
.bit(L
1-0
))
*5
CY
CY
(H+mem
3-0
.bit)
CY
CY
(fmem.bit)
CY
CY
(pmem
7-2
+L
3-2
.bit (L
1-0
))
CY
CY
(H+mem
3-0
.bit)
CY
CY
(fmem.bit)
CY
CY
(pmem
7-2
+L
3-2
.
bit (L
1-0
))
CY
CY
(H+mem
3-0
.bit)
*1
*4
(@H+mem.bit) = 1
AND1
CY,pmem.@L
2
2
2
2
2
2
2
2
CY,@H+mem.bit
CY,fmem.bit
CY,pmem.@L
*1
*4
*5
OR1
CY,@H+mem.bit
CY,fmem.bit
CY,pmem.@L
2
2
2
2
2
2
2
2
*1
*4
*5
*1
XOR1
CY,@H+mem.bit
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