參數(shù)資料
型號: ADSP-2195MKCA-160X
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: 16-BIT, 160 MHz, OTHER DSP, PBGA144
封裝: MINI, BGA-144
文件頁數(shù): 46/68頁
文件大小: 951K
代理商: ADSP-2195MKCA-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.
46
REV. PrA
Serial Peripheral Interface (SPI) Port—Master Timing
Table 20
and
Figure 23
describe SPI port master operations.
Table 20. Serial Peripheral Interface (SPI) Port—Master Timing
Parameter
Description
Min
Max
Unit
Switching Characteristics
t
SDSCIM
SPIxSEL low to first SCLK edge (x=0 or 1)
2t
HCLK
ns
t
SPICHM
Serial clock high period
2t
HCLK
ns
t
SPICLM
Serial clock low period
2t
HCLK
ns
t
SPICLK
Serial clock period
4t
HCLK
ns
t
HDSM
Last SCLK edge to SPIxSEL high (x=0 or 1)
2t
HCLK
ns
t
SPITDM
Sequential transfer delay
2t
HCLK
ns
t
DDSPID
SCLK edge to data out valid (data out delay)
0
6
ns
t
HDSPID
SCLK edge to data out invalid (data out hold)
0
5
ns
Timing Requirements
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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