参数资料
型号: ADZS-21469-EZLITE
厂商: Analog Devices Inc
文件页数: 49/62页
文件大小: 0K
描述: KIT EVAL EZ LITE ADSP-21469
特色产品: SHARC? 21469 EZ-KIT? and EZ-Board? for SHARC Processors
标准包装: 1
系列: SHARC®
类型: DSP
适用于相关产品: ADSP-2146x
所含物品: 板,线缆,调试程序,电源,软件
Preliminary Technical Data
ADSP-21462/ADSP-21465/ADSP-21467/ADSP-21469
TWI Controller Timing
Table 46 and Figure 37 provide timing information for the TWI
interface. Input Signals (SCL, SDA) are routed to the
DPI_P14–1 pins using the SRU. Therefore, the timing specifica-
tions provided below are valid at the DPI_P14–1 pins.
Table 46. Characteristics of the SDA and SCL Bus Lines for F/S-Mode TWI Bus Devices 1
Standard Mode
Fast Mode
Parameter
Min Max
Min
Max
Unit
f SCL
SCL Clock Frequency
TBD TBD
TBD
TBD
kHz
t HDSTA
Hold Time (repeated) Start Condition. After This
Period, the First Clock Pulse is Generated.
TBD
TBD
μs
t LOW
Low Period of the SCL Clock
TBD
μs
t HIGH
t SUSTA
t HDDAT
t SUDAT
t SUSTO
t BUF
High Period of the SCL Clock
Setup Time for a Repeated Start Condition
Data Hold Time for TWI-bus Devices
Data Setup Time
Setup Time for Stop Condition
Bus Free Time Between a Stop and Start Condition
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
μs
μs
μs
ns
μs
μs
t SP
Pulse Width of Spikes Suppressed By the Input Filter
n/a
n/a
TBD
TBD
ns
1
All values referred to V IHmin and V ILmax levels. For more information, see Electrical Characteristics on page 19.
DPI_P14-1
S DA
t LOW
t S UDA T
t HD S TA
t S P
t BUF
DPI_P14-1
S CL
S
t HD S TA
t H DDA T
t HIGH
t S U S TA
S r
t S U S TO
P
S
Figure 37. Fast and Standard Mode Timing on the TWI Bus
Rev. PrC
| Page 49 of 62 | January 2009
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ADZS-21479-EZBRD 制造商:Analog Devices 功能描述:EZ BOARD SUPPORTING SHARC 21479
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ADZS-21489-EZBRD 功能描述:BOARD EVAL FOR ADZS-2148X RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:SHARC® 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
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