Programming Sheets

Application:

 

Date:

 

Programmer:

Sheet 9 of 10

Host Processor (HI32)

 

 

 

 

Memory Base Address Low, Bits 15–4

 

 

 

 

 

Hardwired to $000

 

 

 

 

 

Modes: PCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCI Mode Base Address High, Bits 31–16

 

 

 

Pre-fetch, Bit 3

 

 

Specifies the HI32 base address in PCI mode

 

 

 

Hardwired to 0

 

 

Modes: PCI only

 

 

 

Data is not pre-fetchable

 

 

 

 

 

 

 

Modes: PCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Space, Bits 2–1

 

 

 

 

 

 

 

 

Hardwired to 00

 

 

 

 

 

 

 

 

CBMA register is 32 bits wide

 

 

 

 

 

 

 

 

Modes: PCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Universal Bus Mode Base Address, Bits 23–16

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Space Indicator, Bit 0

 

Specifies the HI32 base address in UBM

 

 

 

 

 

Modes: UBM only

 

 

 

 

Hardwired to 0

 

 

 

 

 

CBMA register maps HI32 into PCI memory

 

 

 

 

 

 

 

 

 

 

Modes: PCI

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

9

8

7

6

5

4

3

2

1

0

PM31 PM30 PM29 PM28

PM27 PM26 PM25

PM24 PM23/ PM22/ PM21/ PM20/ PM19/ PM18/ PM17/ PM16/ PM15 PM14 PM13 PM12 PM11 PM10

PM9

PM8

PM7

PM6

PM5

PM4

PF

MS1

MS0

MSI

 

 

GB10 GB9 GB8 GB7 GB6 GB5 GB4 GB3

 

 

 

 

 

 

 

 

 

 

 

 

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

HI32 Memory Space Base Address Configuration Register (CBMA)

Read/Write

Reset = $00000000

 

Figure B-18.Memory Space Base Address Configuration Register (CBMA)

B-30

DSP56301 User’s Manual

Page 342
Image 342
Motorola DSP56301 HI32 Memory Space Base Address Configuration Register Cbma, Reset = $00000000, Memory Space, Bits

DSP56301 specifications

The Motorola DSP56301 is a highly efficient digital signal processor, specifically engineered for real-time audio and speech processing applications. This DSP is part of Motorola's renowned DSP56300 family, which is recognized for its innovative features and outstanding performance in the realm of digital signal processing.

One of the main features of the DSP56301 is its ability to handle complex computations at high speeds. With a maximum clock frequency of 66 MHz, it delivers fast performance, enabling it to process audio signals in real time. The chip is built on a 24-bit architecture, which allows for high-resolution audio processing. This is particularly beneficial in applications such as telecommunications, consumer audio devices, and professional audio equipment, where precision is paramount.

The DSP56301 boasts a comprehensive instruction set that includes efficient mathematical operations, which are essential for digital filters and audio effects processing. One of the key innovations of this device is its dual data path architecture, which permits simultaneous processing of multiple data streams. This feature significantly enhances the device's throughput and responsiveness, making it suitable for demanding applications such as voice recognition and synthesis.

In terms of memory regions, the DSP56301 includes several on-chip memory categories, such as program memory, data memory, and a specialized memory for coefficients. The architecture's support for external memory expansion further increases its versatility, allowing designers to tailor systems to their specific requirements.

The DSP56301 implements advanced features such as a powerful on-chip hardware multiplier and accumulator, simplifying complex mathematical tasks and accelerating the execution of algorithms. Its flexible interrupt system enhances its capability to respond to time-sensitive operations, while the integrated serial ports facilitate efficient data communication with external devices.

Power consumption is also a vital characteristic of the DSP56301. It is designed with energy efficiency in mind, allowing for extended operation in battery-powered devices. The chip’s low power requirements are particularly advantageous in portable audio devices and other applications where energy conservation is crucial.

In conclusion, the Motorola DSP56301 is an exceptional digital signal processor that combines high processing power, flexibility, and efficiency. Its main features, advanced technologies, and robust architecture make it a top choice for developers seeking to create sophisticated audio and signal processing systems. With its enduring legacy in the industry, the DSP56301 continues to be relevant in a variety of modern applications, ensuring it remains a valuable tool for engineers and designers.