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參數(shù)資料
| 型號： | AD9842AJST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | Complete 20 MSPS CCD Signal Processors |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 15/23頁 |
| 文件大小： | 272K |
| 代理商： | AD9842AJST |
REV. 0
AD9841A/AD9842A
–15–
SDATA
SCK
SL
RNW
TEST BIT
0
A2
0
A0
A1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
t
DS
t
DH
t
LS
t
LH
NOTES:
1. SDATA BITS ARE INTERNALLY LATCHED ON THE RISING EDGES OF SCK.
2. RNW = READ-NOT WRITE. SET LOW FOR WRITE OPERATION.
3. TEST BITS = INTERNAL USE ONLY. MUST BE SET LOW.
4. SYSTEM UPDATE OF LOADED REGISTERS OCCURS ON SL RISING EDGE.
Figure 21. Serial Write Operation
SDATA
SCK
SL
RNW
TEST BIT
1
0
0
A0
A1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
t
DS
t
DH
t
LS
t
LH
NOTES:
1. RNW = READ-NOT WRITE. SET HIGH FOR READ OPERATION.
2. TEST BITS = INTERNAL USE ONLY. MUST BE SET LOW.
3. SERIAL DATA FROM THE SELECTED REGISTER IS VALID STARTING AFTER THE 5TH SCK FALLING EDGE, AND IS UPDATED ON
SCK FALLING EDGES.
t
DV
Figure 22. Serial Readback Operation
SERIAL INTERFACE TIMING AND INTERNAL REGISTER DESCRIPTION
Table I. AD9841A/AD9842A Internal Register Map
Register
Name
Address
A0 A1 A2
Data Bits
D3
D0 D1
D2
D4
D5
D6
D7
D8
D9
D10
Operation
0 0 0
Channel Select Power-Down
CCD/AUX1/2
Software
Reset
OB Clamp
On/Off
0
*
1
**
0
*
0
*
0
*
Modes
VGA Gain
1 0 0
LSB
MSB
X
Clamp Level
0 1 0
LSB
MSB
X
X
X
Control
1 1 0
Color Steering Mode
Selection
PxGA
On/Off
Clock Polarity Select for
SHP/SHD/CLP/DATA
0
*
0
*
Three-
State
X
PxGA
Gain0
0 0 1
LSB
MSB
X
X
X
X
X
PxGA
Gain1
1 0 1
LSB
MSB
X
X
X
X
X
PxGA
Gain2
0 1 1
LSB
MSB
X
X
X
X
X
PxGA
Gain3
1 1 1
LSB
MSB
X
X
X
X
X
*
Internal use only. Must be set to zero.
**
Must be set to one.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9842AJSTRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 10-Bit 3.3V 48-Pin LQFP T/R 制造商:Analog Devices 功能描述:AFE VID 1ADC 10-BIT 3.3V 48LQFP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:12 BIT 20 MHZ ANALOG FRONT END - Tape and Reel |
| AD9842AJSTZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9842-EB | 制造商:Analog Devices 功能描述:12 BIT 20 MHZ ANALOG FRONT END - Bulk |
| AD9843A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 10-Bit 20 MSPS CCD Signal Processor |
| AD9843AJST | 制造商:Analog Devices 功能描述:AFE Video 1ADC 10-Bit 3.3V 48-Pin LQFP 制造商:Analog Devices 功能描述:AFE VID 1ADC 10-BIT 3.3V 48LQFP - Bulk 制造商:Rochester Electronics LLC 功能描述:10 BIT 20 MSPS CCD SIGNAL PROCESSOR - Bulk |
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