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AD9914/PCBZ 데이터시트(PDF) 9 Page - Analog Devices

부품명 AD9914/PCBZ
상세설명  3.5 GSPS Direct Digital Synthesizer 12-Bit DAC
PDF  45 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD9914/PCBZ 데이터시트(HTML) 9 Page - Analog Devices

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Data Sheet
AD9914
Rev. F | Page 9 of 45
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D17
D16
D15/A7
D14/A6
D13/A5
DVDD (1.8V)
DGND
D12/A4
D11/A3
D10/A2
D9/A1
D8/A0
D7
D6
D5
DVDD_I/O (3.3V)
17
DGND
18
D4/SYNCIO
19
D3/SDO
20
D2/SDIO/WR
58
57
56
55
54
53
52
51
50
49
48
47
46
45
LOOP_FILTER
59 REF
60 AVDD (3.3V)
61 SYNC_OUT
62 SYNC_IN
63 DRCTL
64 DRHOLD
65 DROVER
66 OSK
AVDD (1.8V)
AVDD (1.8V)
REF CLK
REF CLK
AVDD (3.3V)
AVDD (3.3V)
AGND
AVDD (3.3V)
AGND
DAC_RSET
AVDD (3.3V)
AGND
DAC_BP
NOTES
1. THE EPAD MUST BE SOLDERED TO GROUND.
21
D1/SCLK/RD
22
D0/CS/PWD
AD9914
TOP VIEW
(Not to Scale)
Figure 3. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
I/O1
Description
1, 2, 13 to 15, 68
to 72, 75 to 81,
87, 88
D5 to D7, D16 to
D31, D27 to D31
I/O
Parallel Port Pins. The 32-bit parallel port offers the option for serial or parallel programming
of the internal registers. In addition, the parallel port can be configured to provide direct FSK,
PSK, or ASK (or combinations thereof ) modulation data. The 32-bit parallel port configuration
is set by the state of the four function pins (F0 to F3).
3
D15/A7
I/O
Parallel Port Pin/Address Line. The state of the F0 to F3 function pins determines if this pin
acts as a line for direct FSK, PSK, or ASK data or as an address line for programming the
internal registers.
4
D14/A6
I/O
Parallel Port Pin/Address Line. The state of the F0 to F3 function pins determines if this pin
acts as a line for direct FSK, PSK, or ASK data or as an address line for programming the
internal registers.
5
D13/A5
I/O
Parallel Port Pin/Address Line. The state of the F0 to F3 function pins determines if this pin
acts as a line for direct FSK, PSK, or ASK data or as an address line for programming the
internal registers.
8
D12/A4
I/O
Parallel Port Pin/Address Line. The state of the F0 to F3 function pins determines if this pin
acts as a line for direct FSK, PSK, or ASK data or as an address line for programming the
internal registers.
9
D11/A3
I/O
Parallel Port Pin/Address Line. The state of the F0 to F3 function pins determines if this pin
acts as a line for direct FSK, PSK, or ASK data or as an address line for programming the
internal registers.
10
D10/A2
I/O
Parallel Port Pin/Address Line. Multipurpose pin depending on the state of the function pins
(F0 to F3). The state of the F0 to F3 function pins determines if this pin acts as a line for direct
FSK, PSK, or ASK data or as an address line for programming the internal registers.
11
D9/A1
I/O
Parallel Port Pin/Address Line. Multipurpose pin depending on the state of the function pins
(F0 to F3). The state of the F0 to F3 function pins determines if this pin acts as a line for direct
FSK, PSK, or ASK data or as an address line for programming the internal registers.



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