CORE8051-AR【PDF 12/41 页】IP MODULE CORE8051

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Core8051

Table 9 ? Notes on Data Addressing Modules

Rn

direct

@Ri

#data

#data 16

bit

A

Working register R0-R7

128 internal RAM locations, any l/O port, control or status register

Indirect internal or external RAM location addressed by register R0 or R1

8-bit constant included in instruction

16-bit constant included as bytes 2 and 3 of instruction

128 software flags, any bit-addressable l/O pin, control or status bit

Accumulator

Table 10 ? Notes on Program Addressing Modes

addr16

addr11

Rel

Destination address for LCALL and LJMP may be anywhere within the 64kB program memory address space.

Destination address for ACALL and AJMP will be within the same 2kB page of program memory as the first byte

of the following instruction.

SJMP and all conditional jumps include an 8-bit offset byte. Range is from plus 127 to minus 128 bytes, relative to

the first byte of the following instruction.

Functional Ordered Instructions

Table 11 through Table 15 on page 15 lists the Core8051 instructions, grouped according to function.

Table 11 ? Arithmetic Operations

Mnemonic

ADD A,Rn

ADD A,direct

ADD A,@Ri

ADD A,#data

ADDC A,Rn

ADDC A,direct

ADDC A,@Ri

ADDC A,#data

SUBB A,Rn

SUBB A,direct

SUBB A,@Ri

SUBB A,#data

INC A

INC Rn

INC direct

INC @Ri

DEC A

DEC Rn

DEC direct

DEC @Ri

12

Description

Adds the register to the accumulator

Adds the direct byte to the accumulator

Adds the indirect RAM to the accumulator

Adds the immediate data to the accumulator

Adds the register to the accumulator with a carry flag

Adds the direct byte to A with a carry flag

Adds the indirect RAM to A with a carry flag

Adds the immediate data to A with carry a flag

Subtracts the register from A with a borrow

Subtracts the direct byte from A with a borrow

Subtracts the indirect RAM from A with a borrow

Subtracts the immediate data from A with a borrow

Increments the accumulator

Increments the register

Increments the direct byte

Increments the indirect RAM

Decrements the accumulator

Decrements the register

Decrements the direct byte

Decrements the indirect RAM

v6.0

Byte

1

2

1

2

1

2

1

2

1

2

1

2

1

1

2

1

1

1

1

2

Cycle

1

2

2

2

1

2

2

2

1

2

2

2

1

2

3

3

1

1

2

3

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相关代理商/技术参数

CORE8051-EV 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051

CORE8051-SN 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051

CORE8051-SR 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051

CORE8051-UR 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051

CORE8051-XX 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051

Core8b/10b-AR 制造商:Microsemi Corporation 功能描述:CORE - Virtual or Non-Physical Inventory (Software & Literature)

COREAES128 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreAES128

COREAES128-AN 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreAES128