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Hi All
I working in PIC Micro controller , write 0x93 address (slave) ADS1000 not acknowledging . Please give coding routine and circuit diagram interfacing ADS1000 . Different controller I tried.
Regards,
Murali
Murali,
I don't have any specific code for the ADS1000. It should be a rather simple I2C transaction with whatever master you are using. The connections to the device are also simple. The device doesn't require any more connections than shown on Figure 9 of the datasheet:
Make sure that the pull-up resistors are installed. They are required for I2C communications.
Which version of the ADS1000 are you using? There are two versions with two different addresses. The ADS1000A0 uses an address of 48h while the ADS1000A1 uses an address of 49h. Verify the version of the device and use the appropriate address.
After that, you should be able to establish communications. Here is an example of reading from the ADS1000A0 that I happened to run last week:
The first byte is 91h with the device ACK bit after. Then there are 3 bytes of read from the device.
Joseph Wu
Thank you sir,
i am using ADS1000-Q1(www.ti.com/.../ADS1000-Q1) BYMQ - Slave Address 1001001. circuit diagram same as you given.
Master send 0x93H address will not getting acknowledgement . if maser send (General Call data bytes) 0x04H Or 0x06H will ADS1000-Q1 return acknowledge . I don't how to proceed further coding.
PLEASE send the coding steps or Pseudocode of accessing ADS1000-Q1
Regards,
Murali