M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet - Page 37

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

Operation:
Operation:
Operation:
SZB j (Skip if Zero, Bit)
Operation:
Instrunction
code
SZC (Skip if Zero, Carry flag)
Instrunction
code
SZD (Skip if Zero, port D specified by register Y)
Instrunction
code
T1AB (Transfer data to timer 1 and register R1 from Accumulator and register B)
Instrunction
code
(D(Y)) = 0 ?
(Y) = 4 to 7
(CY) = 0 ?
at timer 1 stop (V1
(R1
(T1
at timer 1 operating (V1
(R1
(Mj(DP)) = 0 ?
j = 0 to 3
D
D
D
D
0
0
0
0
0
8
8
8
8
7
7
7
–T1
–R1
–R1
0
0
0
0
0
4
4
4
)
0
0
0
0
1
)
)
(B), (T1
1
1
1
1
0
(B), (R1
(B), (R1
0
0
0
0
0
0
=0)
3
3
3
–T1
0
1
0
1
0
–R1
–R1
0
=1)
0
0
0
1
1
1
)
0
0
)
)
1
j
1
0
1
(A)
1
(A)
(A)
D
D
D
D
1
j
1
0
1
0
0
0
0
0
2
2
2
2
2
0
0
0
0
0
2
2
2
4
2
B
j
F
4
7
16
16
16
16
16
Grouping:
Description: Skips the next instruction when the con-
Grouping:
Description: Skips the next instruction when the con-
Grouping:
Description: Skips the next instruction when a bit of port
Grouping:
Description: At timer 1 stop (V1
Number of
Number of
Number of
Number of
words
words
words
words
1
1
2
1
Number of
Number of
Number of
Number of
Bit operation
tents of bit j (bit specified by the value j in
the immediate field) of M(DP) is “0.”
Arithmetic operation
tents of carry flag CY is “0.”
Input/Output operation
D specified by register Y is “0.”
Timer operation
tents of register A and register B to timer 1
and reload register R1.
At timer 1 operating (V1
contents of register A and register B to re-
load register R1.
MITSUBISHI MICROCOMPUTERS
cycles
cycles
cycles
cycles
1
1
2
1
Flag CY
Flag CY
Flag CY
Flag CY
–
–
–
–
0
4282 Group
=
0
), transfers the con-
0
Skip condition
Skip condition
Skip condition
Skip condition
= 1), transfers the
(Mj(DP)) = 0
(Y) = 4 to 7
(D(Y)) = 0
j = 0 to 3
(CY) = 0
–
37