DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
Table 1. Instruction Set Summary
SYMBOL
A
Rn
direct
@Ri
rel
FUNCTION
Accumulator
Register R7 to R0
Internal Register Address
Internal Register pointed to by R0 or
R1 (except MOVX)
Two’s Complement Offset Byte
SYMBOL
bit
#data
#data 16
addr 16
addr 11
FUNCTION
direct bit-address
8-bit constant
16-bit constant
16-bit destination address
11-bit destination address
INSTRUCTION
BYTE
OSCILLATOR
CYCLES
INSTRUCTION
BYTE
OSCILLATOR
CYCLES
ARITHMATIC INSTRUCTIONS
ADD A, Rn
1
ADD A, direct
2
ADD A, @Ri
1
ADD A, #data
2
ADDC A, Rn
1
ADDC A, direct
2
ADDC A, @Ri
1
ADDC A, #data
2
SUBB A, Rn
1
SUBB A, direct
2
SUBB A, @Ri
1
SUBB A, #data
2
LOGICAL INSTRUCTIONS
ANL A, Rn
1
ANL A, direct
2
ANL A, @Ri
1
ANL A, #data
2
ANL direct, A
2
ANL direct, #data
3
ORL A, Rn
1
ORL A, direct
2
ORL A, @Ri
1
ORL A, #data
2
ORL direct, A
2
ORL direct, #data
3
4
8
4
8
4
8
4
8
4
8
4
8
4
8
4
8
8
12
4
8
4
8
8
12
INC A
INC Rn
INC direct
INC @Ri
INC DPTR
DEC A
DEC Rn
DEC direct
DEC @Ri
MUL AB
DIV AB
DA A
XRL A, Rn
XRL A, direct
XRL A, @Ri
XRL A, #data
XRL direct, A
XRL direct, #data
CLR A
CPL A
RL A
RLC A
RR A
RRC A
1
1
2
1
1
1
1
2
1
1
1
1
1
2
1
2
2
3
1
1
1
1
1
1
4
4
8
4
12
4
4
8
4
20
20
4
4
8
4
8
8
12
4
4
4
4
4
4
9 of 40
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
