M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet - Page 34

• Manufacturer Part Number: M34282E2GP
• Description: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

34
Operation:
Operation:
Operation:
Operation:
RD (Reset port D specified by register Y)
RT (ReTurn from subroutine)
RTS (ReTurn form subroutine and Skip)
SB j (Set Bit)
Instrunction
code
Instrunction
code
Instrunction
code
Instrunction
code
(D(Y))
However,
(Y) = 0 to 7
(SP)
(PC)
(SP)
(PC)
(Mj(DP))
j = 0 to 3
D
D
D
D
0
0
0
0
8
8
8
8
0
0
0
0
(SP) – 1
(SP) – 1
(SK(SP))
(SK(SP))
0
1
1
1
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
1
1
1
0
j
0
0
1
D
D
D
D
1
j
0
0
0
0
0
0
0
2
2
2
2
0
0
0
0
1
4
4
5
5
+j
4
4
C
16
16
16
16
Grouping:
Description: Clears (0) to a bit of port D specified by reg-
Grouping:
Description: Returns from subroutine to the routine
Grouping:
Description: Returns from subroutine to the routine
Grouping:
Description: Sets (1) the contents of bit j (bit specified by
Number of
Number of
Number of
Number of
words
words
words
words
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
1
1
1
1
Number of
Number of
Number of
Number of
Return operation
called the subroutine, and skips the next in-
struction at uncondition.
Bit operation
the value j in the immediate field) of M(DP).
Input/Output operation
ister Y (high-impedance state).
Return operation
called the subroutine.
MITSUBISHI MICROCOMPUTERS
cycles
cycles
cycles
cycles
1
2
2
1
Flag CY
Flag CY
Flag CY
Flag CY
–
–
–
–
4282 Group
Skip at uncondition
Skip condition
Skip condition
Skip condition
Skip condition
–
–
–