CYD01S36V
CYD02S36V/36VA/CYD04S36V
CYD09S36V/CYD18S36V
Table 6. Instruction Identification Codes
Instruction | Code | Description |
EXTEST | 0000 | Captures the Input/Output ring contents. Places the BSR between the TDI and TDO. |
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BYPASS | 1111 | Places the BYR between TDI and TDO. |
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IDCODE | 1011 | Loads the IDR with the vendor ID code and places the register between TDI and TDO. |
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HIGHZ | 0111 | Places BYR between TDI and TDO. Forces all device output drivers to a |
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CLAMP | 0100 | Controls boundary to 1/0. Places BYR between TDI and TDO. |
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SAMPLE/PRELOAD | 1000 | Captures the input/output ring contents. Places BSR between TDI and TDO. |
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NBSRST | 1100 | Resets the |
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RESERVED | All other codes | Other combinations are reserved. Do not use other than the above. |
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Document Number: | Page 11 of 28 |
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