參數(shù)資料
型號(hào): ADSP-2195MKST-160X
廠(chǎng)商: ANALOG DEVICES INC
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: LM2991 Negative Low Dropout Adjustable Regulator; Package: TO-263; No of Pins: 5; Qty per Container: 45; Container: Rail
中文描述: 16-BIT, 160 MHz, OTHER DSP, PQFP144
封裝: METRIC, PLASTIC, LQFP-144
文件頁(yè)數(shù): 48/68頁(yè)
文件大小: 951K
代理商: ADSP-2195MKST-160X
For current information contact Analog Devices at 800/262-5643
ADSP-2195
September 2001
This information applies to a product under development. Its characteristics and specifications are subject to change with-
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
48
REV. PrA
Serial Peripheral Interface (SPI) Port—Slave Timing
Table 21
and
Figure 24
describe SPI port slave operations.
Table 21. Serial Peripheral Interface (SPI) Port—Slave Timing
Parameter
Description
Min
Max
Unit
Switching Characteristics
t
DSOE
SPISS assertion to data out active
0
6
ns
t
DSDHI
SPISS deassertion to data high impedance
0
6
ns
t
DDSPID
SCLK edge to data out valid (data out delay)
0
5
ns
t
HDSPID
SCLK edge to data out invalid (data out hold)
0
5
ns
Timing Requirements
t
SPICHS
Serial clock high period
2t
HCLK
ns
t
SPICLS
Serial clock low period
2t
HCLK
ns
t
SPICLK
Serial clock period
4t
HCLK
ns
t
HDS
Last SPICLK edge to SPISS not asserted
2t
HCLK
ns
t
SPITDS
Sequential Transfer Delay
2t
HCLK
ns
t
SDSCI
SPISS assertion to first SPICLK edge
2t
HCLK
ns
t
SSPID
Data input valid to SCLK edge (data input setup)
1.6
ns
t
HSPID
SCLK sampling edge to data input invalid
1.6
ns
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