Freescale Semiconductor, Inc...

Freescale Semiconductor, Inc.

Table 5-2. Instruction Set Summary (Continued)

Opcode

Operation

Syntax

MOVE to CCR

Source CCR

MOVE ea,CCR

 

MOVE from SR

If supervisor state

MOVE SR,ea

 

 

then SR Destination

 

 

 

else TRAP

 

 

MOVE to SR

If supervisor state

MOVE ea,SR

 

 

then Source SR

 

 

 

else TRAP

 

 

MOVE USP

If supervisor state

MOVE USP,An

 

 

then USP An or An USP

MOVE An,USP

 

 

else TRAP

 

 

MOVEC

If supervisor state

MOVEC Rc,Rn

 

 

then Rc Rn or Rn Rc

MOVEC Rn,Rc

 

 

else TRAP

 

 

MOVEM

Registers Destination

MOVEM register list,ea

 

Source Registers

MOVEM ea,register list

MOVEP

Source Destination

MOVEP Dx,(d,Ay)

 

 

 

MOVEP (d,Ay),Dx

 

MOVEQ

Immediate Data Destination

MOVEQ #data,Dn

 

MOVES

If supervisor state

MOVES Rn,ea

 

 

then Rn Destination [DFC] or Source

MOVES ea,Rn

 

 

[SFC] Rn

 

 

 

else TRAP

 

 

MULS

Source Destination Destination

MULS.W ea,Dn

16 16 32

 

 

MULS.L ea,Dl

32 32 32

 

 

MULS.L ea,Dh:Dl

32 32 64

MULU

Source Destination Destination

MULU.W ea,Dn

16 16 32

 

 

MULU.L ea,Dl

32 32 32

 

 

MULU.L ea,Dh:Dl

32 32 64

NBCD

0 – (Destination10) – X Destination

NBCD ea

 

NEG

0 – (Destination) Destination

NEG ea

 

NEGX

0 – (Destination) – X Destination

NEGX ea

 

NOP

None

NOP

 

NOT

~Destination Destination

NOT ea

 

OR

Source V Destination Destination

OR ea,Dn

 

 

 

OR Dn, ea

 

ORI

Immediate Data V Destination Destination

ORI # data ,ea

 

ORI to CCR

Source V CCR CCR

ORI # data ,CCR

 

ORI to SR

If supervisor state

ORI # data ,SR

 

 

then Source V SR SR

 

 

 

else TRAP

 

 

PEA

Sp – 4 SP; ea〉 ⇒ (SP)

PEA ea

 

RESET

If supervisor state

RESET

 

 

then Assert RESET

 

 

 

else TRAP

 

 

ROL,ROR

Destination Rotated by count 〉⇒ Destination

ROd 1 Rx,Dy

 

 

 

ROd 1 # data ,Dy

 

 

 

ROd 1 ea

 

5- 18MC68340 USER’S MANUALMOTOROLA

For More Information On This Product,

Go to: www.freescale.com

Page 155
Image 155
Motorola MC68340 manual Source ⇒ Destination Movep Dx,d,Ay Movep d,Ay,Dx

MC68340 specifications

The Motorola MC68340 is a highly integrated microprocessor that was introduced in the early 1990s. It belongs to the 68000 family of microprocessors and is designed to cater to the demands of embedded systems, particularly in telecommunications and networking applications. This chip represents a significant evolution in microprocessor technology by combining a microprocessor core with additional peripherals on a single chip, making it an attractive solution for engineers looking to design compact and efficient systems.

One of the key features of the MC68340 is its 32-bit architecture, which allows for significant processing power and data handling capabilities. This architecture enables the processor to handle larger data sizes and perform more complex calculations compared to its 16-bit predecessors. The MC68340 operates at clock speeds typically ranging from 16 MHz to 25 MHz. Its dual instruction pipeline enhances throughput, allowing for simultaneous instruction fetches and executions, which significantly boosts performance.

A notable characteristic of the MC68340 is the inclusion of integrated peripherals, which help reduce the overall component count in a system. Key integrated components include a memory management unit (MMU), a direct memory access (DMA) controller, and various communication interfaces such as serial ports. The memory management capabilities enhance the processor's ability to manage memory resources efficiently, enabling it to support multitasking environments commonly found in modern computing.

In terms of connectivity, the MC68340 features connections for both synchronous and asynchronous serial communication, making it well-suited for networking tasks. The processor supports a range of bus standards, including address and data buses, which facilitate seamless interaction with peripheral devices.

Another important aspect of the MC68340 is its flexibility. The processor supports multiple operating modes, including multiple CPU configurations and compatibility with the Motorola 68000 family, allowing for easier integration into existing systems.

Moreover, the MC68340 boasts low power consumption compared to many of its contemporaries, making it an excellent choice for battery-operated applications, enhancing its appeal in sectors like telecommunications, industrial control, and automotive systems. Its combination of performance, integration, versatility, and efficiency has secured the MC68340 a reputable position in the annals of embedded systems technology, proving to be a valuable asset for developers and engineers alike.