DSP56307SLASHD datasheet(9/156 Pages) MOTOROLA

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Signals/Connections

Power

MOTOROLA

DSP56307 Technical Data

1-3

POWER

Table 1-2

Power Inputs

Power Name

Description

VCCP

PLL Power

ÑVCCP is VCC 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

ÑVCCQL is 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

ÑVCCQH is a quiet power source for I/O lines.

This input must be tied externally to all other chip power inputs, except

VCCQL. The user must provide adequate decoupling capacitors.

VCCA

Address Bus Power

ÑVCCA is an isolated power for sections of the address

bus I/O drivers. This input must be tied externally to all other chip power

inputs, except VCCQL. The user must provide adequate external decoupling

capacitors.

VCCD

Data Bus Power

ÑVCCD is an isolated power for sections of the data bus I/O

drivers. This input must be tied externally to all other chip power inputs,

except VCCQL. The user must provide adequate external decoupling

capacitors.

VCCC

Bus Control Power

ÑVCCC is an isolated power for the bus control I/O

drivers. This input must be tied externally to all other chip power inputs,

except VCCQL. The user must provide adequate external decoupling

capacitors.

VCCH

Host Power

ÑVCCH is an isolated power for the HI08 I/O drivers. This

input must be tied externally to all other chip power inputs, except VCCQL.

The user must provide adequate external decoupling capacitors.

VCCS

ESSI, SCI, and Timer Power

ÑVCCS is an isolated power for the ESSI, SCI,

and timer I/O drivers. This input must be tied externally to all other chip

power inputs, except VCCQL. The user must provide adequate external

decoupling capacitors.

Not Recommended for New Design

DSP56307/D Datasheet(PDF) 9 Page - Motorola, Inc

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