Power

2.1Power

 

Table 2-2.Power Inputs

 

 

Power

Description

Name

 

 

 

 

 

VCCP

PLL Power—V CC dedicated for PLL use. The voltage should be well-regulated and the input should be provided

 

with an extremely low impedance path to the VCC power rail.

VCCQL

Quiet Core (Low) Power—An isolated power for the core processing logic. This input must be isolated

 

externally from all other chip power inputs. The user must provide adequate external decoupling capacitors.

 

 

VCCQH

Quiet External (High) Power—A quiet power source for I/O lines. This input must be tied externally to all other

 

chip power inputs. The user must provide adequate decoupling capacitors.

 

 

VCCA

Address Bus Power—An isolated power for sections of the address bus I/O drivers. This input must be tied

 

externally to all other chip power inputs. The user must provide adequate external decoupling capacitors.

 

 

VCCD

Data Bus Power—An isolated power for sections of the data bus I/O drivers. This input must be tied externally

 

to all other chip power inputs. The user must provide adequate external decoupling capacitors.

 

 

VCCC

Bus Control Power—An isolated power for the bus control I/O drivers. This input must be tied externally to all

 

other chip power inputs. The user must provide adequate external decoupling capacitors.

 

 

VCCH

Host Power—An isolated power for the HI32 I/O drivers. This input must be tied externally to all other chip

 

power inputs. The user must provide adequate external decoupling capacitors.

 

 

VCCS

ESSI, SCI, and Timer Power—An isolated power for the ESSI, SCI, and timer I/O drivers. This input must be

 

tied externally to all other chip power inputs. The user must provide adequate external decoupling capacitors.

 

 

2.2Ground

 

Table 2-3.Ground Signals

 

 

Ground

Description

Name

 

 

 

 

 

GNDP

PLL Ground— GND dedicated for PLL use. The connection should be provided with an extremely

 

low-impedance path to ground. VCCP should be bypassed to GNDP by a 0.47 μF capacitor located as close as

 

possible to the chip package.

 

 

GNDP1

PLL Ground 1—GND dedicated for PLL use. The connection should be provided with an extremely

 

low-impedance path to ground.

 

 

GNDQ

Quiet Ground—An isolated ground for the internal processing logic. This connection must be tied externally to

 

all other chip ground connections. The user must provide adequate external decoupling capacitors.

 

 

GNDA

Address Bus Ground—An isolated ground for sections of the address bus I/O drivers. This connection must be

 

tied externally to all other chip ground connections. The user must provide adequate external decoupling

 

capacitors.

 

 

GNDD

Data Bus Ground—An isolated ground for sections of the data bus I/O drivers. This connection must be tied

 

externally to all other chip ground connections. The user must provide adequate external decoupling capacitors.

 

 

GNDN

Bus Control Ground—An isolated ground for the bus control I/O drivers. This connection must be tied

 

externally to all other chip ground connections. The user must provide adequate external decoupling capacitors.

 

 

GNDH

Host Ground—An isolated ground for the HI32 I/O drivers. This connection must be tied externally to all other

 

chip ground connections. The user must provide adequate external decoupling capacitors.

 

 

GNDS

ESSI, SCI, and Timer Ground—An isolated ground for the ESSI, SCI, and timer I/O drivers. This connection

 

must be tied externally to all other chip ground connections. The user must provide adequate external

 

decoupling capacitors.

 

 

2-4

DSP56301 User’s Manual

Page 33 Page 35
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Motorola DSP56301 user manual Power Inputs, Ground Signals
Page 33 Page 35

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.
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