DSP56307SLASHD datasheet(21/156 Pages) NXP

21 / 156 page

Signals/Connections

HI08

MOTOROLA

DSP56307 Technical Data

1-15

HA1

HA8

PB9

Input

Input or

Output

Input

Host Address Input 1

ÑWhen the HI08 is

programmed to interface a nonmultiplexed host bus

and the HI function is selected, this signal is line 1 of

the host address (HA1) input bus.

Host Address 8

ÑWhen HI08 is programmed to

interface a multiplexed host bus and the HI function

is selected, this signal is line 8 of the host address

(HA8) input bus.

Port B 9

ÑWhen the HI08 is configured as GPIO

through the HPCR, this signal is individually

programmed as an input or output through the

HDDR.

Note:

This signal has a weak keeper to maintain the last state

even if all drivers are tri-stated.

HA2

HA9

PB10

Input

Input or

Output

Input

Host Address Input 2

ÑWhen the HI08 is

programmed to interface a nonmultiplexed host bus

and the HI function is selected, this signal is line 2 of

the host address (HA2) input bus.

Host Address 9

ÑWhen HI08 is programmed to

interface a multiplexed host bus and the HI function

is selected, this signal is line 9 of the host address

(HA9) input bus.

Port B 10

ÑWhen the HI08 is configured as GPIO

through the HPCR, this signal is individually

programmed as an input or output through the

HDDR.

Note:

This signal has a weak keeper to maintain the last state

even if all drivers are tri-stated.

Table 1-10

Host Interface (Continued)

Signal Name

Type

State

During

Reset

Signal Description

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

Not Recommended for New Design

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