參數(shù)資料
型號(hào): AD9913
廠商: Analog Devices, Inc.
元件分類(lèi): XO, clock
英文描述: Low Power 250 MSPS 10-Bit DAC 1.8 V CMOS Direct Digital Synthesizer
中文描述: 低功耗250 MSPS的10位DAC 1.8伏CMOS直接數(shù)字頻率合成器
文件頁(yè)數(shù): 7/32頁(yè)
文件大?。?/td> 473K
代理商: AD9913
AD9913
Pin No.
26
Rev. 0 | Page 7 of 32
Mnemonic
PWR_DWN_CTL
I/O
I
Description
External Power-Down, Digital Input (Active High). A high level on this pin initiates the currently
programmed power-down mode. See the Power-Down Features section for further details. If unused,
tie to ground.
I/O Update; Digital Input. A high on this pin indicates a transfer of the contents of the I/O buffers to the
corresponding internal registers.
Chip Select for Serial and Parallel Port. Digital input (active low). Bringing this pin low enables the
AD9913 to detect serial (SCLK) or parallel (PCLK) clock rising/falling edges. Bringing this pin high
causes the AD9913 to ignore input on the data pins.
Bidirectional Data Line for Serial Port Operation and Write/Read Enable for Parallel Port Operation.
Input Clock for Serial and Parallel Port.
Parallel Port Address Line 7 and Data Line 7.
Parallel Port Address Line 6 and Data Line 6.
27
IO_UPDATE
I
28
CS
I
29
30
31
32
SDIO(WR/RD)
SCLK/PCLK
ADR7/D7
ADR6/D6
I/O
I
I/O
I/O
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參數(shù)描述
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