參數(shù)資料
型號: UPD75108AGC
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 37/66頁
文件大?。?/td> 460K
代理商: UPD75108AGC
μ
PD75104A, 75108A
37
Ma-
chine
Cyc-
les
Instruc-
tions
Mne-
monics
Operand
Bytes
Operation
Addressing
Area
Skip
Conditions
Bit
MOV1
CY, fmem.bit
2
2
CY
(fmem.bit)
*4
transfer
CY, pmem.@L
2
2
CY
(pmem
7-2
+L
3-2
.bit(L
1-0
))
*5
CY, @H+mem.
bit
2
2
CY
(H+mem
3-0.
bit)
*1
fmem.bit, CY
2
2
(fmem.bit)
CY
*4
pmem.@L, CY
2
2
(pmem
7-2
+L
3-2.
bit(L
1-0
))
CY
*5
@H+mem.bit,
CY
2
2
(H+mem
3-0
.bit)
CY
*1
Arith-
ADDS
A, #n4
1
1+S
A
A+n4
carry
metic
XA, #n8
2
2+S
XA
XA+n8
carry
opera-
A, @HL
1
1+S
A
A+(HL)
*1
carry
tion
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
A
A
n4
A
A
(HL)
XA
XA
rp’
rp’1
rp’1
XA
A
A
n4
A
A
(HL)
XA
XA
rp’
rp’1
rp’1
XA
A
A
n4
A
A
(HL)
XA
XA
rp’
rp’1
rp’1
XA
CY
A
0
, A
3
CY, A
n-1
A
n
AND
A, #n4
2
2
A, @HL
1
1
*1
XA, rp’
2
2
rp’1, XA
2
2
OR
A, #n4
2
2
A, @HL
1
1
*1
XA, rp’
2
2
rp’1, XA
2
2
XOR
A, #n4
2
2
A, @HL
1
1
*1
XA, rp’
2
2
rp’1, XA
2
2
RORC
A
1
1
NOT
A
2
2
A
A
Incre-
INCS
reg
1
1+S
reg
reg+1
reg = 0
ment/
rp1
1
1+S
rp1
rp1+1
rp1 = 00H
decre-
@HL
2
2+S
(HL)
(HL)+1
*1
(HL) = 0
ment
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
Accumulator
Manipulation
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