发明名称 |
Scan and boundary scan disable mechanism on secure device |
摘要 |
A circuit generally comprising a logic module and a security module is disclosed. The logic module may be configured to set a plurality of values to a plurality of predetermined values respectively while in a scan mode. The security module may be configured to (i) disable a scan capability of the values while in a non-lowest security mode of at least three security modes and (ii) enabling the scan capability while in a lowest security mode of the security modes.
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申请公布号 |
US7228440(B1) |
申请公布日期 |
2007.06.05 |
申请号 |
US20020325382 |
申请日期 |
2002.12.20 |
申请人 |
LSI CORPORATION |
发明人 |
GILES CHRISTOPHER M.;BEWICK SIMON;WILLIAMS KALVIN E. |
分类号 |
H04L9/32;G01R31/28;G06F11/00;H04N7/16 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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