參數(shù)資料
型號(hào): UPD754304GS(A)-XXX
廠(chǎng)商: NEC Corp.
英文描述: 4-Bit Microcontroller
中文描述: 4位微控制器
文件頁(yè)數(shù): 41/74頁(yè)
文件大小: 316K
代理商: UPD754304GS(A)-XXX
μ
PD754302, 754304, 754302(A), 754304(A)
41
Instruction
group
Number
of bytes
Number
of machine
cycles
Addressing
area
Mnemonic
Operand
Operation
Skip condition
Bit transfer
MOV1
CY, fmem.bit
2
2
CY
(fmem.bit)
*4
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
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
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
manipulation
RORC
A
1
1
CY
A
0
, A
3
CY, A
n–1
A
n
NOT
A
2
2
A
A
Increment
and
decrement
INCS
reg
1
1+S
reg
reg+1
reg=0
rp1
1
1+S
rp1
rp1+1
rp1=00H
@HL
2
2+S
(HL)
(HL)+1
*1
(HL)=0
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
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