參數(shù)資料
型號: XE8000EV104
廠商: Semtech
文件頁數(shù): 151/156頁
文件大小: 0K
描述: EVAL BOARD FOR XE8805AMI028LF
標(biāo)準(zhǔn)包裝: 1
類型: MCU
適用于相關(guān)產(chǎn)品: XE88LC05AMI028
所含物品: 完全組裝的評估板
Semtech 2006
www.semtech.com
16-8
XE8805/05A
16.4.3
Continuous-Time vs. On-Request
The ADC can be operated in two distinct modes: "continuous-time" and "on-request" modes (selected using the bit
CONT
).
In "continuous-time" mode, the input signal is repeatedly converted into digital. After a conversion is finished, a new
one is automatically initiated. The new value is then written in the result register, and the corresponding internal
trigger pulse is generated. This operation is sketched in Figure 16-3. The conversion time in this case is defined as
TCONV.
Internal Trig
Ouput Code
RegACOut[15:0]
T
CONV
BUSY
IRQ
Figure 16-3. ADC "continuous-time" operation
Figure 16-4. ADC "on-request" operation
In the "on-request" mode, the internal behaviour of the converter is the same as in the "continuous-time" mode, but
the conversion is initiated on user request (with the START bit). As shown in Figure 16-4, the conversion time is
also TCONV. Note that the flag is set at the effective start of the conversion. Since the ADC is generally synchronized
on a lower frequency clock than the CPU, there might be a small delay (max. 1 cycle of the ADC sampling
frequency) between the writing of the START or CONT bits and the appearance of BUSY flag.
Internal Trig
Ouput Code
RegACOut[15:0]
T
CONV
Request
START
BUSY
IRQ
Not
Recommended
for
New
Designs
相關(guān)PDF資料
PDF描述
VE-B7P-EY CONVERTER MOD DC/DC 13.8V 50W
EBA28DRTH CONN EDGECARD .125 DIP 56POS
EEC20DRTH-S734 CONN EDGECARD 40POS DIP .100 SLD
AT-S-26-8/8/S-14-R MOD CORD STANDARD 8-8 SILVER 14'
EBC25DREN-S13 CONN EDGECARD 50POS .100 EXTEND
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XE8000EV108 功能描述:EVAL BOARD FOR XE8806/XE8807 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 通用嵌入式開發(fā)板和套件(MCU、DSP、FPGA、CPLD等) 系列:- 產(chǎn)品培訓(xùn)模塊:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色產(chǎn)品:Blackfin? BF50x Series Processors 標(biāo)準(zhǔn)包裝:1 系列:Blackfin® 類型:DSP 適用于相關(guān)產(chǎn)品:ADSP-BF548 所含物品:板,軟件,4x4 鍵盤,光學(xué)撥輪,QVGA 觸摸屏 LCD 和 40G 硬盤 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相關(guān)產(chǎn)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
XE8000EV110 功能描述:EVAL BOARD FOR XE8802AMI035LF RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 通用嵌入式開發(fā)板和套件(MCU、DSP、FPGA、CPLD等) 系列:- 產(chǎn)品培訓(xùn)模塊:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色產(chǎn)品:Blackfin? BF50x Series Processors 標(biāo)準(zhǔn)包裝:1 系列:Blackfin® 類型:DSP 適用于相關(guān)產(chǎn)品:ADSP-BF548 所含物品:板,軟件,4x4 鍵盤,光學(xué)撥輪,QVGA 觸摸屏 LCD 和 40G 硬盤 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相關(guān)產(chǎn)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
XE8000EV120 功能描述:BOARD EVAL FOR SX8722I070TRLF RoHS:是 類別:編程器,開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:ZoomingADC™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率(每秒):94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源(標(biāo)準(zhǔn)):- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板,軟件
XE8000EV121 功能描述:BOARD EVAL FOR SX8723/24 RoHS:是 類別:編程器,開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理,電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板
XE8000MP 功能描述:PROG BOARD AND PROSTART2 CARD RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 獨立編程器 系列:- 產(chǎn)品目錄繪圖:CHIPPROG-G4 標(biāo)準(zhǔn)包裝:1 系列:- 類型:成組編程器 適用于相關(guān)產(chǎn)品:EEPROM,EPROM,F(xiàn)LASH,MCU,NVRAM,PLD 所含物品:編程器,線纜,CD 產(chǎn)品目錄頁面:598 (CN2011-ZH PDF) 相關(guān)產(chǎn)品:AE-TS56-16I-3-ND - ISP CABLEADAPTER 14-PIN HEADERAE-TS40N-ND - ADAPTER SOCKET 40-TSOP TO 40-DIPAE-TS32N-ND - ADAPTER SOCKET 32-TSOP TO 32-DIPAE-TS28-ND - ADAPTER SOCKET 28-TSOP TO 28-DIPAE-T44-P16-ND - ADAPTER SOCKET 44-QFP TO 40-DIPAE-T44-I51/505-ND - ADAPTER SOCKET 44-QFP TO 40-DIPAE-SS56-16I-ND - ADAPTER SOCKET 56-SSOP TO 40-DIPAE-SP8U-ND - ADAPTER SOCKET 8-SSOP TO 8-DIPAE-SP28U2-ND - ADAPTER SOCKET 28-SSOP TO 28-DIPAE-SP28U1-ND - ADAPTER SOCKET 28-SSOP TO 28-DIP更多...