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Altera_Forum
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16 years ago

The TCS signal of JTAG device

Hi all, I use cyclone II FPGA device and there are four pins for JTAG: TDI,TCK,TCS (Test Chip Select)and TDO. BUt I found that usually in a JTAG device there are five ports: TDI,TCK,TMS(Test Mode...
Altera_Forum's avatar
Altera_Forum
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16 years ago

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I use cyclone II FPGA device and there are four pins for JTAG: TDI,TCK,TCS (Test Chip Select)and TDO.

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A designator tcs isn't used in any Altera Cyclone II, document, as far as I know. Which document you're referring to?