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Re: [Discuss-gnuradio] different registers
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From: |
Matt Ettus |
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Subject: |
Re: [Discuss-gnuradio] different registers |
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Date: |
Mon, 23 Jul 2007 14:15:35 -0700 |
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User-agent: |
Thunderbird 2.0.0.0 (X11/20070326) |
Zhuocheng Yang wrote:
> Hi:
>
> In the spec. for command packets, there are several different kind of writes.
> (register write, SPI write, I2C write). I noticed that master_control has a
> few registers, serial_io has a few registers connected to it. Which one is
> one? What registers are SPI, I2C or just registers?
>
The i2c stuff is all outside the fpga. SPI is a serial bus which is
used to set registers on the daughterboards, in the FPGA, in the AD9862,
etc.