Method to address 32 or more ADCs on the same SPI bus?
Hello, I have a customer that is currently looking into an ADC of 10 or 12 bit resolution which will operate at pretty low speed and utilize an I2Cinterface. We have alot of parts that fit the basic...
View ArticleQuery about ADF4351 Outputs
Hello,I have a concern about ADF4351's outputs. I wonder the output phase difference between RFoutA and RFoutB. I want to use ADF4351 for two HS-DACs as sampling clock. The sampling should be...
View ArticleADSP-21469 EZ-BOARD SCHEMATIC, U17 and U14 VCC missing
I am trying to connect the pushbuttons and the diodes through the J1 connector. I am not so experienced in electronics design, so I am just copying the design from the schematic. But VCC for U17 and...
View ArticleuClinux-2008R1 and rootfs.jffs2
I try to configure uClinux-2008R1 with rootfs.jffs2 for serial NOR flash. I configure the system: In file arch/blackfin/mach-bf537/boards/stamp.c: static struct mtd_partition...
View Articlead7792 configuration problem.
Hello all, now days i am interfacing ad7792 to mc9s12P128 freescale micro controller. here m faced lot of problems..such as adc cant't work on larger clock pulse(greater than 1M/s)my spi configuration...
View Articleproblem in ad7714
Hi everyone It's my first time to use ad7714-5, i connect it as in the datasheet with 2.5 v reference, 5 v supply and 1 MHz crystal, when i power up the circuit the DRDY signal still high and therefore...
View ArticleADIS16407 Interfacing with Arduino Mega 2560
Dear All, I am trying to interface the ADIS16407 isensor to the arduino mega 2560 board using the 'ADIS16364 interfacing with arduino' code provided in this...
View ArticleADV7180 Max input capacitance of XTAL pin?
What is the maximum input capacitance of the XTAL pin? I see in the datasheet that digital inputs have a maximum of 10pF. I was wondering if this is also true of the XTAL pin? Typically, these are a...
View Article[ADV7511W] Input capacitance of the SDA and SCL pin.
Hello, I have a question about ADV7511W.Could you tell me the input capacitance(pF) of the SDA and SCL pin? Thank you.Best regards.Tamu
View ArticlePRIM_MODE and VID_STD for UXGA60 (ADV7611, ADV7612, ADV7619)
Hi, Setting HDMI input type has only to do with Free Running;additionally when parameters are auto-buffered - the HDMI receiverwill output free run timing of exactly same parameters as previously...
View ArticleADV7611 HDMI input for TV equipment
We are looking to use the ADV7611 as HDMI input for our professional TV equipment. The ADV7611 specs mention the OTP keys storage.Our question is: who and when does fill this OTP storage with keys? Is...
View ArticleADV7612 Clocking
We are clocking the ADV7612 with an oscillator instead of a crystal. The datasheet says the oscillator output should be connected to the XTALP pin. Both the datasheet and ADV7612 Hardware User Guide...
View ArticleAD9889B I2S audio not working
Hi All, I am using an Altera Stratix4GX 530 device connected to the AD9889B chip. I am trying to get the audio up and running but unfortunately without any success. Setup: I have a 480p video test...
View ArticleSSM2603 Software Control Interface Reads
I have an BF518F EZ-BOARD that I am working on for an interface with the SSM2603. The I2C port is running and the bus data recorded by an LSA matches Figure 29 in the data sheet. The problem is that...
View ArticleAD8397 SPICE Model
I am keenly interested in using the AD8397 op-amps in a motion-control application for resolver-drive. I am trying to model the circuit with a range of loads to evaluate stability, etc., but am having...
View ArticleHalt when starting kernel
I have made a custom buildroot for my custom BF537 board but it fails to start the linux kernel, stopping here:bootm 0x1000000## Booting kernel from Legacy Image at 01000000 ... Image Name:...
View ArticleADF4351 Phase Noise
Hello, I am using ADF4351 for WLAN design and my LO phase noise requirement is -95dBc at 100KHz. My REF is 30.72 MHz crystal (Si8208) and has very good phase noise performance. Using adsimpll, the loop...
View ArticlePower-on-reset of AD9985A (ADW10000BSTZRL-110).
Hello. I have questions about power-on-reset of AD9985A (ADW10000BSTZRL-110).AD9985A does not have reset pin. So I think this device is reset by the power-up state. Question 1. Which power supply (VD,...
View ArticleADV7623 OSD resolution while no signal coming in
Hello,ADV7623 OSD resolution looks low i.e. 640x480 while no signal coming in.Isn't there any way to display high resoltion(full HD for example) OSD on the display?Ragards,Ian
View ArticleAudio and encrypted problems about ADV7623
1. We hope ADV7623 HDCP encrypted output, could you tell me whether only need to configure the two registers.HDCP_DESIRED, TX Main Map, Address 0xAF[7] HDCP Encryption enableFRAME_ENCRYPTION_EN, TX...
View Article