參數(shù)資料
型號： DSP56301AG80
廠商： Freescale Semiconductor
文件頁數(shù)： 34/124頁
文件大?。?/td> 0K
描述： IC DSP 24BIT 80MHZ GP 208-LQFP
產(chǎn)品變化通告： DSP56301 Discontinuation 12/Nov/2009
標準包裝： 36
系列： DSP563xx
類型： 定點
接口： 主機接口，SSI，SCI
時鐘速率： 80MHz
非易失內(nèi)存： ROM（9 kB）
芯片上RAM： 24kB
電壓 - 輸入/輸出： 3.30V
電壓 - 核心： 3.30V
工作溫度： -40°C ~ 100°C
安裝類型： 表面貼裝
封裝/外殼： 208-LQFP
供應商設備封裝： 208-LQFP
包裝： 托盤
Host Interface (HI32)
DSP56301 Technical Data, Rev. 10
Freescale Semiconductor
1-13
HPAR
HDAK
Input/
Output
Input
Tri-stated
Host Parity
When the HI32 is programmed to interface with a PCI bus and the HI function
is selected, this is the Host Parity signal.
Host DMA Acknowledge
When HI32 is programmed to interface with a universal, non-PCI bus and the
HI function is selected, this is the Host DMA Acknowledge Schmitt-trigger
signal.
Port B
When the HI32 is configured as GPIO through the DCTR, this signal is
internally disconnected.
This input is 5 V tolerant.
HPERR
HDRQ
Input/
Output
Tri-stated
Host Parity Error
When the HI32 is programmed to interface with a PCI bus and the HI function
is selected, this is the Host Parity Error signal.
Host DMA Request
When HI32 is programmed to interface with a universal, non-PCI bus and the
HI function is selected, this is the Host DMA Request output.
Port B
When the HI32 is configured as GPIO through the DCTR, this signal is
internally disconnected.
This input is 5 V tolerant.
HGNT
HAEN
Input
Host Bus Grant
When the HI32 is programmed to interface with a PCI bus and the HI function
is selected, this is the Host Bus Grant signal.
Host Address Enable
When HI32 is programmed to interface with a universal, non-PCI bus and the
HI function is selected, this is the Host Address Enable output signal.
Port B
When the HI32 is configured as GPIO through the DCTR, this signal is
internally disconnected.
This input is 5 V tolerant.
HREQ
HTA
Output
Tri-stated
Host Bus Request
When the HI32 is programmed to interface with a PCI bus and the HI function
is selected, this is the Host Bus Request signal.
Host Transfer Acknowledge—When HI32 is programmed to interface with a
universal, non-PCI bus and the HI function is selected, this is the Host Data
Bus Enable signal. HTA can be programmed as active high or active low.
Port B
When the HI32 is configured as GPIO through the DCTR, this signal is
internally disconnected.
This input is 5 V tolerant.
Table 1-11.
Host Interface (Continued)
Signal Name
Type
State During
Reset
Signal Description
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