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M34250M2 Datasheet(Fiches technique) 33 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M34250M2
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER    
Télécharger  58 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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 33 page
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MITSUBISHI
ELECTRIC
33
MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Function
(A)
← n
n = 0 to 15
(SP)
← (SP) + 1
(SK(SP))
← (PC)
(PCH)
← p
(PCL)
← (DR2–DR0,
A3–A0)
(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
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)
(E7–E4)
← (B)
(E3–E0)
← (A)
(B)
← (E7–E4)
(A)
← (E3–E0)
(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
Grouping Mnemonic
SEAM
SEA n
B a
BL p, a
BA a
BLA p, a
BM a
BML p, a
BMLA p,
a
RTI
RT
RTS
Function
(A) = (M(DP)) ?
(A) = n ?
n = 0 to 15
(PCL)
← a6–a0
(PCH)
← p
(PCL)
← a6–a0
(PCL)
← (a6–a4, A3–A0)
(PCH)
← p
(PCL)
← (a6–a4, A3–A0)
(SP)
← (SP) + 1
(SK(SP))
← (PC)
(PCH)
← 2
(PCL)
← a6–a0
(SP)
← (SP) + 1
(SK(SP))
← (PC)
(PCH)
← p
(PCL)
← a6–a0
(SP)
← (SP) + 1
(SK(SP))
← (PC)
(PCH)
← p
(PCL)
← (a6–a4, A3–A0)
(PC)
← (SK(SP))
(SP)
← (SP) – 1
(PC)
← (SK(SP))
(SP)
← (SP) – 1
(PC)
← (SK(SP))
(SP)
← (SP) – 1




Html Pages

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