參數(shù)資料
型號(hào): M34282M2-XXXGP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 1 MHz, MICROCONTROLLER, PDSO20
封裝: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁數(shù): 19/71頁
文件大小: 547K
代理商: M34282M2-XXXGP
Rev.1.33
Mar 18, 2004
page 24 of 67
4282 Group
Function
(A)
← n
n = 0 to 15
(SP)
← (SP) + 1
(SK(SP))
← (PC)
(PCH)
← p p=0 to 15
(PCL)
← (DR2–DR0, A3–A0)
When URS=0
(B)
← (ROM(PC))7 to 4
(A)
← (ROM(PC))3 to 0
When URS=1
(CY)
← (ROM(PC))8
(B)
← (ROM(PC))7 to 4
(A)
← (ROM(PC))3 to 0
(PC)
← (SK(SP))
(SP)
← (SP) – 1
(A)
← (A) + (M(DP))
(A)
← (A) + (M(DP)) + (CY)
(CY)
← Carry
(A)
← (A) + n
n = 0 to 15
(CY)
← 1
(CY)
← 0
(CY) = 0 ?
(A)
← (A)
→ CY → A3A2A1A0
Logic operation
instruction
XOR, OR, AND
(Mj(DP))
← 1
j = 0 to 3
(Mj(DP))
← 0
j = 0 to 3
(Mj(DP)) = 0 ?
j = 0 to 3
LIST OF INSTRUCTION FUNCTION
Arithmetic
operation
Register
to
register
transfer
Grouping Mnemonic
TAB
TBA
TAY
TYA
TEAB
TABE
TDA
LXY x, y
INY
DEY
TAM j
XAM j
XAMD j
XAMI j
Function
(A)
← (B)
(B)
← (A)
(A)
← (Y)
(Y)
← (A)
(ER7–ER4)
← (B)
(ER3–ER0)
← (A)
(B)
← (ER7–ER4)
(A)
← (ER3–ER0)
(DR2–DR0)
← (A2–A0)
(X)
← x, x = 0 to 3
(Y)
← y, y = 0 to 15
(Y)
← (Y) + 1
(Y)
← (Y) – 1
(A)
← (M(DP))
(X)
← (X) EXOR(j)
j = 0 to 3
(A)
←→ (M(DP))
(X)
← (X) EXOR(j)
j = 0 to 3
(A)
←→ (M(DP))
(X)
← (X) EXOR(j)
j = 0 to 3
(Y)
← (Y) – 1
(A)
←→ (M(DP))
(X)
← (X) EXOR(j)
j = 0 to 3
(Y)
← (Y) + 1
Grouping Mnemonic
LA n
TABP p
AM
AMC
A n
SC
RC
SZC
CMA
RAR
LGOP
SB j
RB j
SZB j
RAM
to
register
transfer
RAM
addresses
Bit
operation
Page
38
40
42
41
39
40
31
30
40
43
Page
31
39
27
35
33
37
30
33
31
34
33
37
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