參數(shù)資料
型號: MC56603APV60
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 24-BIT, 60 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 9/97頁
文件大小: 1080K
代理商: MC56603APV60
DSP56603A
Host Interface (HI08)
MOTOROLA
DSP56603A Technical Data Sheet
1-11
HRW
HRD/HRD
PB11
Input
Input or
Output
Tri-stated Host Read/WriteWhen the HI08 is programmed to
interface a single-data-strobe host bus and the HI function is
selected, this signal is the Read/Write input (HRW).
Host Read Data
When the HI08 is programmed to
interface a double-data-strobe host bus and the HI function
is selected, this signal is the Read Data strobe Schmitt-
trigger input (HRD). The polarity of the data strobe is
programmable.
Port B 11
When the HI08 is configured as GPIO through
the HPCR, this signal is individually programmed as an
input or output through the HDDR.
This pin is electrically disconnected internally during the
Stop processing state.
HDS/HDS
HWR/HWR
PB12
Input
Input or
Output
Tri-stated Host Data StrobeWhen the HI08 is programmed to
interface a single-data-strobe host bus and the HI function is
selected, this signal is the Host Data Strobe Schmitt-trigger
input (HDS). The polarity of the data strobe is
programmable.
Host Write Enable
When the HI08 is programmed to
interface a double-data-strobe host bus and the HI function
is selected, this signal is the Write Data Strobe Schmitt-
trigger input (HWR). The polarity of the data strobe is
programmable.
Port B 12
When the HI08 is configured as GPIO through
the HPCR, this signal is individually programmed as an
input or output through the HDDR.
This pin is electrically disconnected internally during the
Stop processing state.
Table 1-7
Host Interface Signals (Continued)
Signal Name
Signal Type
State
During
Reset
Signal Description
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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