M34512M2 Datasheet, PDF (70/80 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
4512 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MACHINE INSTRUCTIONS (continued)
Parameter
Instruction code
Mnemonic
Type of
instructions
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Hexadecimal
notation
TABAD
1 0 0 1 1 1 1 0 0 1 279 1
TALA
1 0 0 1 0 0 1 0 0 1 249 1
Function
1 (A) ← (AD5–AD2)
(B) ← (AD9–AD6)
However, in the comparator mode,
(A) ← (AD3–AD0)
(B) ← (AD7–AD4)
1 (A) ← (AD1, AD0, 0, 0)
TADAB
TAQ1
TQ1A
ADST
SNZAD
TAQ2
TQ2A
NOP
POF
EPOF
SNZP
WRST
TAMR
TMRA
1000111001
1001000100
1000000100
1010011111
1010000111
1001000101
1000000101
0000000000
0000000010
0001011011
0000000011
1010100000
1001010010
1000010110
2 3 9 1 1 (AD3–AD0) ← (A)
(AD7–AD4) ← (B)
2 4 4 1 1 (A) ← (Q1)
2 0 4 1 1 (Q1) ← (A)
2 9 F 1 1 (ADF) ← 0
A-D conversion starting
2 8 7 1 1 (ADF) = 1 ?
After skipping
(ADF) ← 0
2 4 5 1 1 (A) ← (Q2)
2 0 5 1 1 (Q2) ← (A)
0 0 0 1 1 (PC) ← (PC) + 1
0 0 2 1 1 RAM back-up
0 5 B 1 1 POF instruction valid
0 0 3 1 1 (P) = 1 ?
2 A 0 1 1 (WDF1) ← 0
(WEF) ← 1
2 5 2 1 1 (A) ← (MR)
2 1 6 1 1 (MR) ← (A)
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