DSP56307UM 데이터 시트보기 (PDF) - Motorola => Freescale

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DSP56307UM

24-BIT DIGITAL SIGNAL PROCESSOR

Motorola => Freescale 

Signals/Connections

HI08

Table 1-10 Host Interface (Continued)

Signal Name Type

HCS

Input

State

During

Reset

Input

Signal Description

Host Chip SelectÑWhen HI08 is programmed to

interface a nonmultiplexed host bus and the HI

function is selected, this signal is the host chip select

(HCS) input. The polarity of the chip select is

programmable, but is configured active-low (HCS)

after reset.

HA10

Input

Host Address 10ÑWhen HI08 is programmed to

interface a multiplexed host bus and the HI function

is selected, this signal is line 10 of the host address

(HA10) input bus.

PB13

Input or

Output

Port B 13ÑWhen 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.

Not Recommended for New Design

MOTOROLA

DSP56307 Technical Data

1-17

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