em78p468l ELAN Microelectronics Corp, em78p468l Datasheet - Page 53

• Manufacturer Part Number: em78p468l
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.5) 02.15.2007
(This specification is subject to change without further notice)
Convention:
R = Register designator that specifies which one of the registers (including operation and general purpose
b = Bit field designator that selects the value for the bit located in the register R and which affects the
k = 8 or 10-bit constant or literal value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
registers) is to be utilized by the instruction.
operation.
Binary Instruction
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0001
0001
0001
0001
0010
0010
0010
0010
0011
0011
0011
0011
0100
0100
0100
0100
0101
0101
0101
0101
0000
0000
0000
0000
0000
0001
0001
0001
0001
0000
0001 rrrr
1000 0000
01rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
rrrr
rrrr
rrrr
0000
0001
0010
0011
0100
0000
0001
0010
0011
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
0000
0001
0002
0003
0004
0010
0011
0012
0013
0080
000r
001r
Hex
00rr
00rr
01rr
01rr
01rr
01rr
02rr
02rr
02rr
02rr
03rr
03rr
03rr
03rr
04rr
04rr
04rr
04rr
05rr
05rr
05rr
05rr
Mnemonic
NOP
DAA
CONTW
SLEP
WDTC
IOW
ENI
DISI
RET
RETI
IOR
MOV
CLRA
CLR
SUB
SUB
DECA
DEC
OR
OR
AND
AND
XOR
XOR
ADD
ADD
MOV
MOV
COMA
COM
INCA
INC
DJZA
DJZ
R
R
R
R, A
R
A, R
R, A
R
A, R
R, A
A, R
R, A
A, R
R, A
A, R
R, A
A, R
R, R
R
R
R
R
R
R
No Operation
Decimal Adjust A
A → CONT
0 → WDT, Stop
oscillator
0 → WDT
A → IOCR
Enable Interrupt
Disable Interrupt
[Top of Stack] → PC
[Top of Stack] → PC,
Enable Interrupt
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
R-1 → A, skip if zero
R-1 → R, skip if zero
EM78P468N/EM78P468L
Operation
8-Bit Microcontroller
None
C
None
T, P
T, P
None
None
None
None
None
None
None
Z
Z
Z,C,DC
Z,C,DC
Z
Z
Z
Z
Z
Z
Z
Z
Z,C,DC
Z,C,DC
Z
Z
Z
Z
Z
Z
None
None
Affected
Status
• 47
1
1