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P80CL31 датащи(PDF) 44 Page - NXP Semiconductors

номер детали P80CL31
подробное описание детали  Low voltage 8-bit microcontrollers with UART
PDF  68 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P80CL31 датащи(HTML) 44 Page - NXP Semiconductors

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1997 Apr 15
44
Philips Semiconductors
Product specification
Low voltage 8-bit microcontrollers with
UART
P80CL31; P80CL51
19 INSTRUCTION SET
The P80CLx1 uses a powerful instruction set which permits the expansion of on-chip CPU peripherals and optimizes
byte efficiency and execution speed. Assigned opcodes add new high-power operation and permit new addressing
modes. The instruction set consists of 49 single-byte, 46 two-byte and 16 three-byte instructions. When using a 12 MHz
oscillator, 64 instructions execute in 1
µs and 45 instructions execute in 2 µs. Multiply and divide instructions execute in
4
µs.
For the description of the Data Addressing modes and Hexadecimal opcode cross-reference see Table 30.
Table 26 Instruction set description: Arithmetic operations
MNEMONIC
DESCRIPTION
BYTES
CYCLES
OPCODE
(HEX)
Arithmetic operations
ADD
A,Rr
add register to A
1
1
2*
ADD
A,direct
add direct byte to A
2
1
25
ADD
A,@Ri
add indirect RAM to A
1
1
26, 27
ADD
A,#data
add immediate data to A
2
1
24
ADDC
A,Rr
add register to A with carry flag
1
1
3*
ADDC
A,direct
add direct byte to A with carry flag
2
1
35
ADDC
A,@Ri
add indirect RAM to A with carry flag
1
1
36, 37
ADDC
A,#data
add immediate data to A with carry flag
2
1
34
SUBB
A,Rr
subtract register from A with borrow
1
1
9*
SUBB
A,direct
subtract direct byte from A with borrow
2
1
95
SUBB
A,@Ri
subtract indirect RAM from A with borrow
1
1
96, 97
SUBB
A,#data
subtract immediate data from A with borrow
2
1
94
INC
A
increment A
1
1
04
INC
Rr
increment register
1
1
0*
INC
direct
increment direct byte
2
1
05
INC
@Ri
increment indirect RAM
1
1
06, 07
DEC
A
decrement A
1
1
14
DEC
Rr
decrement register
1
1
1*
DEC
direct
decrement direct byte
2
1
15
DEC
@Ri
decrement indirect RAM
1
1
16, 17
INC
DPTR
increment data pointer
1
2
A3
MUL
AB
multiply A and B
1
4
A4
DIV
AB
divide A by B
1
4
84
DA
A
decimal adjust A
1
1
D4



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