EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet - Page 56

• Manufacturer Part Number: EM78P468NBQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78P468N
8-BIT Microcontroller
52 •
INSTRUCTION BINARY
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
0
0
0
0
0
0
0
0
0
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
0110
0110
0110
0110
0111
0111
0111
0111
100b
101b
0000
0000
0001
1000
0000
0000
0000
0001
0001
0001
0001
01rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01r
10rr
11rr
00rr
01rr
10rr
11rr
00rr
01rr
10rr
11rr
bbrr
bbrr
r
0000
0001
0011
0100
0000
0001
0010
0011
0000
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
rrrr
0000
0001
0003
0004
0010
0011
0012
0013
0080
HEX
000r
001r
0xxx
0xxx
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
07rr
07rr
SWAPA
WDTC
COMA
SWAP
DECA
RRCA
CLRA
RLCA
SLEP
DJZA
COM
INCA
RETI
MOV
MOV
MOV
NOP
DEC
AND
AND
XOR
XOR
ADD
ADD
RRC
DAA
IOW
RET
CLR
SUB
SUB
RLC
DISI
IOR
INC
DJZ
JZA
ENI
OR
OR
BC
BS
JZ
MNEMONIC
R,
A,
R,
A,
R,
A,
R,
A,
R,
A,
R,
A,
R,
R,
R,
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
A
R
A
R
A
R
A
R
A
R
A
R
R
b
b
(This specification is subject to change without further notice)
0 → WDT, Stop oscillator
[Top of Stack] → PC,
R+1 → A, skip if zero
R+1 → R, skip if zero
R-1 → A, skip if zero
R-1 → R, skip if zero
[Top of Stack] → PC
R(0) → C, C → A(7)
R(0) → C, C → R(7)
R(7) → C, C → A(0)
R(7) → C, C → R(0)
Decimal Adjust A
R(0-3) → A(4-7),
Disable Interrupt
R(0-3) ↔ R(4-7)
R(4-7) → A(0-3)
Enable Interrupt
Enable Interrupt
R(n) → A(n+1),
R(n) → R(n+1),
R(n) → R(n-1),
R(n) → A(n-1),
OPERATION
No Operation
A ⊕ R → A
A ⊕ R → R
A ∨ R → R
A & R → A
A & R → R
A → IOCR
IOCR → A
A ∨ R → A
A + R → A
A + R → R
0 → WDT
R+1 → R
Product Specification (V1.2) 03.15.2005
R+1 → A
0 → R(b)
1 → R(b)
R-A → A
R-A → R
R-1 → R
R-1 → A
/R → A
/R → R
R → R
A → R
0 → R
R → A
0 → A
None <Note1>
None <Note1>
AFFECTED
STATUS
Z, C, DC
Z, C, DC
Z, C, DC
Z, C, DC
None
None
None
None
None
None
None
None
None
None
None
None
None
None
T, P
T, P
C
C
C
C
C
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z