APR9SLASHD datasheet(9/101 Pages) NXP

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DSP56001A

Power

MOTOROLA

DSP56001A/D, Rev. 1

1-3

POWER

GROUND

Table 1-2

Power Connections

Power Names

Description

VCCQ (2)

Internal Logic Power

—These lines supply a quiet power source to the oscillator

circuits and the mode control and interrupt lines. Ensure that the input voltage to

this line is well-regulated and uses an extremely low impedance path to tie to the

VCC power rail. Use a 0.1 µF bypass capacitor located as close as possible to the chip

package to connect between the VCCQ lines and the GNDQ lines.

VCCA (3)

Address Bus Power

—These lines supply power to the address bus.

VCCD (3)

Data Bus Power

—These lines supply power to the data bus.

VCCC

Bus Control Power

—This line supplies power to the bus control logic.

VCCH (2)

Host Interface Power

—These lines supply power to the Host Interface logic.

VCCS

Serial Interface Power

—This line supplies power to the serial interface logic (SCI

and SSI).

Table 1-3

Ground Connections

Ground Names

Description

GNDQ (2)

Internal Logic Ground

—These lines supply a quiet ground connection for the

oscillator circuits and the mode control and interrupt lines. Ensure that this line

connects through an extremely low impedance path to ground. Use a 0.1

µF bypass

capacitor located as close as possible to the chip package to connect between the

VCCQ line and the GNDQ line.

GNDA (2)

Address Bus Ground

—These lines connect system ground to the address bus.

GNDD (2)

Data Bus Ground

—These lines connect system ground to the data bus.

GNDΗ (1)

Host Interface Ground

—These lines supply ground connections for the Host

Interface logic.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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