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FAQ: Can I measure analog voltage using JTAG?

Filed under FAQ / JTAG IEEE 1149.1

Q: Can I measure analog voltage using JTAG?

Answer:

JTAG is fully digital bus, however if your chip supports analog measurements via JTAG, then yes. In other cases you can use SCANSTA476 device from National Semiconductor to measure voltage via JTAG.

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