DSP56KFAMUM/AD(1996) View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

DSP56KFAMUM/AD
(Rev.:1996)

24-BIT DIGITAL SIGNAL PROCESSOR

Motorola => Freescale 

Signal/Pin Descriptions

Address Bus

ADDRESS BUS

Signal

Names

A0–A15

Table 1-5 Address Bus Signals

Signal

Type

State

during

Reset

Signal Description

Output

Tri-stated Address Bus—These signals specify the address for external

program and data memory accesses. If there is no external bus

activity, A0–A15 remain at their previous values to reduce

power consumption. A0–A15 are tri-stated when the bus grant

signal is asserted.

DATA BUS

Signal

Names

D0–D23

Table 1-6 Data Bus Signals

Signal

Type

State

during

Reset

Signal Description

Input/ Tri-stated Data Bus—These signals provide the bidirectional data bus for

Output

external program and data memory accesses. D0–D23 are tri-

stated when the BG or RESET signal is asserted.

MOTOROLA

DSP56002/D, Rev. 3

1-7

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