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參數(shù)資料
| 型號： | D950-CORE |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-Bit Fixed Point Digital Signal Processor DSP Core |
| 中文描述： | 16位定點(diǎn)數(shù)字信號處理器DSP核 |
| 文件頁數(shù)： | 80/89頁 |
| 文件大小： | 560K |
| 代理商： | D950-CORE |
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80/89
D950-Core
edge) to an interrupt input (ITRQi).
DIP_ENA = 1, the number of available interrupt sources in the interrupt
controller is low: Connect the logical AND of the DITi signals (DIT_AND) to a
single interrupt input (ITRQi), the interrupt pending bits (DIPi) of the DAIC
register distinguish the which of the four possible interrupt sources caused the
interrupt. (see 7.4.4).
7.4.4 DMA Peripheral Registers
Address Registers
Two 16-bit registers (unsigned) are dedicated per channel for transfer address:
DIA: initial address. This register contains the initial address of the selected
address bus (see DBC-bit of DGC).
DCA: current address. This register contains the value to be transferred to the
selected address bus (see DBC-bit of DGC) during the next transfer. The
different DCA values are:
Note:
See DAIC register for DAI and DLA definitions
Counting Registers
Two 16-bit registers (unsigned) per channel are dedicated for transfer count.
For a transfer of a N data block, DIC and DCC registers have to be loaded with N-1.
When DCC content is 0 (valid transfer count), it is loaded with DIC content for the next transfer.
DIC: initial count. This register contains the total number of transfers of the
entire block
DCC: current count. This register contains the remaining number of transfers
to be done to fill the entire block. It is decremented after each transfer. The
DCC values are:
RESET
1
0
0
0
0
DAI
X
0
1
1
1
DLA
X
X
0
1
1
DCC = 0
X
X
X
0
1
DCA(n+1)
0
DCA(n)
DCA(n) + 1
DCA(n) + 1
DIA
RESET
1
0
0
DCC = 0
X
0
1
DCA(n+1)
0
DCA(n) - 1
DIC
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| D950N | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Netz-Gleichrichterdiode Rectifier Diode |
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| D-951-10 | 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:NylaKrimp? Funnel Entry Ring Tongue Terminal for 8 AWG Wire, Stud #5 |
| D-951-14 | 制造商:ETC MOLEX-INACTIVE 功能描述:Cross Referenced to MOLEX - Part: MOL19067-0018 |
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