em78p131a ELAN Microelectronics Corp, em78p131a Datasheet - Page 36

• Manufacturer Part Number: em78p131a
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

EM78P131A
8-Bit Microcontroller with OTP ROM
32 •
Binary Instruction
0 0000 0001 0000
0 0000 0001 0001
0 0000 0001 0010
0 0000 0001 0011
0 0000 0001 0100
0 0000 0001 rrrr
0 0000 01rr rrrr
0 0000 1000 0000
0 0000 11rr rrrr
0 0001 00rr rrrr
0 0001 01rr rrrr
0 0001 10rr rrrr
0
0 0010 00rr rrrr
0 0010 01rr rrrr
0 0010 10rr rrrr
0 0010 11rr rrrr
0 0011 00rr rrrr
0 0011 01rr rrrr
0 0011 10rr rrrr
0 0011 11rr rrrr
0
0 0100 01rr rrrr
0 0100 10rr rrrr
0 0100 11rr rrrr
0
0
0 0101 10rr rrrr
0
0 0110 00rr rrrr
0 0110 01rr rrrr
0 0110 10rr rrrr
0 0110 11rr rrrr
0 0111 00rr rrrr
0 0111 01rr rrrr
0001 11rr rrrr
0100 00rr rrrr
0101 00rr rrrr
0101 01rr rrrr
0101 11rr
rrrr
0010
0011
0012
0013
0014
0080
001r
Hex
00rr
00rr
01rr
01rr
01rr
01rr
02rr
02rr
02rr
02rr
03rr
03rr
03rr
03rr
04rr
04rr
04rr
04rr
05rr
05rr
05rr
05rr
06rr
06rr
06rr
06rr
07rr
07rr
Mnemonic
SWAPA R
MOV R,R
MOV R,A
MOV A,R
SUB A,R
AND A,R
AND R,A
XOR A,R
XOR R,A
ADD A,R
ADD R,A
SUB R,A
COMA R
SWAP R
DECA R
RRCA R
RLCA R
CONTR
OR A,R
OR R,A
DJZA R
COM R
INCA
DEC R
RRC R
CLR R
RLC R
IOR R
INC R
DJZ R
CLRA
RETI
DISI
RET
ENI
(This specification is subject to change without further notice)
R
Enable Interrupt
Disable Interrupt
[Top of Stack] → PC
[Top of Stack] → PC,
Enable Interrupt
CONT → A
IOCR → A
A → R
0 → A
0 → R
R-A → A
R-A → R
R-1 → A
R-1 → R
A ∨ R → A
A ∨ R → R
A & R → A
A & R → R
A ⊕ R → A
A ⊕ R → R
A + R → A
A + R → R
R → A
R → R
/R → A
/R → R
R+1 → A
R+1
R-1 → A, skip if zero
R-1 → R, skip if zero
R(n) → A(n-1),
R(0) → C, C → A(7)
R(n) →
R(0) → C, C →
R(n) → A(n+1),
R(7) → C, C → A(
R(n) → R(n+1),
R(7) → C, C → R(0)
R(0-3) → A(4-7),
R(4-7) → A(0-3)
R(0-3) ↔ R
Product Specification (V1.2) 09.16.2009
→ R
Operation
R(n-1),
(4-7)
R(7)
0)
Status Affected
Z, C, DC
Z, C, DC
Z, C, DC
Z, C, DC
None
None
None
None
None
None
None
None
None
None
None
C
C
C
C
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
1