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參數(shù)資料
| 型號(hào)： | EVAL-AD7899CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7899 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 400k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 輸入范圍： | ±10 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 80mW @ 400kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7899 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD7899ARZ-2-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899BRZ-3-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899BRZ-1-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899ARZ-3-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899ARZ-1-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899ARSZ-3-ND - IC ADC 14BIT 400KSPS 5V 28SSOP AD7899ARSZ-2-ND - IC ADC 14BIT 400KSPS 5V 28-SSOP AD7899ARSZ-1REEL7-ND - IC ADC 14BIT 400KSPS 5V 28SSOP AD7899ARZ-1REEL-ND - IC ADC 14BIT 400KSPS 5V 28SOIC AD7899ARSZ-3REEL-ND - IC ADC 14BIT 400KSPS 5V 28SSOP 更多... |
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REV. A
AD7899
–14–
MICROPROCESSOR INTERFACING
The high-speed parallel interface of the AD7899 allows easy
interfacing to most DSPs and microprocessors. The AD7899
interface of the AD7899 consists of the data lines (DB0 to DB13),
CS, RD, and BUSY/EOC.
AD7899–ADSP-21xx Interface
Figure 14 shows an interface between the AD7899 and the
ADSP-21xx. The
CONVST signal can be generated by the
ADSP-21xx or from some other external source. Figure 14 shows
the
CS being generated by a combination of the DMS signal and
the address bus of the ADSP-21xx. In this way the AD7899 is
mapped into the data memory space of the ADSP-21xx.
The AD7899 BUSY/
EOC line provides an interrupt to the
ADSP-21xx when the conversion is complete. The conversion
result can then be read from the AD7899 using a read operation.
The AD7899 is read using the following instruction
MR0 = DM(ADC)
where MR0 is the ADSP-21xx MR0 register and ADC is the
AD7899 address.
CS
RD
CONVST
DB0–DB13
AD7899
VIN
DT1/F0
IRQn
D8–D21
A0–A13
ADSP-21xx
ADDRESS
DECODE
RD
DMS
BUSY/
EOC
Figure 14. AD7899–ADSP-21xx Interface
AD7899–TMS320C5x Interface
Figure 15 shows an interface between the AD7899 and the
TMS320C5x. As with the previous interfaces, conversion can be
initiated from the TMS320C5x or from an external source and
the processor is interrupted when the conversion sequence is
completed. The
CS signal to the AD7899 derived from the DS
signal and a decode of the address bus. This maps the AD7899
into external data memory. The
RD signal from the TMS320 is
used to enable the ADC data onto the data bus. The AD7899 has
a fast parallel bus so there are no wait state requirements. The
following instruction is used to read the conversion results from
the AD7899:
IN D,ADC
where D is Data Memory address and ADC is the AD7899
address.
CS
RD
BUSY/
EOC
CONVST
DB0–DB13
AD7899
VIN
PA0
INTn
D0–D13
DS
A0–A13
TMS320C5x
ADDRESS
DECODE
RD
Figure 15. AD7899–TMS320C5x Interface
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| EVAL-AD7910CB | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70 |
| EVAL-AD7910CBZ | 功能描述:BOARD EVALUATION FOR AD7910 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 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 |
| EVAL-AD7912CB | 功能描述:BOARD EVALUATION FOR AD7912 RoHS:否 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 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 |
| EVAL-AD7912CBZ | 功能描述:BOARD EVALUATION FOR AD7912 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 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 |
| EVAL-AD7920CB | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70 |
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