M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet - Page 36

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

36
Operation:
Operation:
Operation:
Operation:
SEAM (Skip Equal, Accumulator with Memory)
SNZP (Skip if Non Zero condition of Power down flag)
SNZT1 (Skip if Non Zero condition of Timer 1 underflow flag)
SNZT2 (Skip if Non Zero condition of Timer 2 inerrupt request flag)
Instrunction
code
Instrunction
code
Instrunction
code
Instrunction
code
(A) = (M(DP)) ?
(P) = 1 ?
(T1F) = 1 ?
After skipping, (T1F)
(T2F) = 1 ?
After skipping, (T2F)
D
D
D
D
0
0
0
0
8
8
8
8
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
1
1
1
1
D
D
D
D
0
1
0
0
0
0
0
0
2
2
2
2
0
0
0
0
2
0
4
5
6
3
2
2
16
16
16
16
Grouping:
Description: Skips the next instruction when the con-
Grouping:
Description: Skips the next instruction when P flag is “1”.
Grouping:
Description: Skips the next instruction when the con-
Grouping:
Description: Skips the next instruction when the con-
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
Comparison operation
tents of register A is equal to the contents of
M(DP).
Other operation
After skipping, P flag remains unchanged.
Timer operation
tents of T1F flag is “1.”
After skipping, clears (0) to T1F flag.
Timer operation
tents of T2F flag is “1.”
After skipping, clears (0) to T2F flag.
MITSUBISHI MICROCOMPUTERS
cycles
cycles
cycles
cycles
1
1
1
1
Flag CY
Flag CY
Flag CY
Flag CY
–
–
–
–
4282 Group
Skip condition
Skip condition
Skip condition
Skip condition
(A) = (M(DP))
(T1F) = 1
(T2F) = 1
(P) = 1