发明名称 |
System on chip (SOC) four-way switch crossbar system and method |
摘要 |
A System On Chip (SOC) has been provided which includes a crossbar switch between 64 functional I/Os internal to the chip, and 40 external connection pins. The crossbar switch permits a signal at any of the 64 functional I/Os to appear at any of the connector pins. The cross bar switch, permitting signals at the 40 connector pins to appear at any of the 64 specified functional I/Os. Because the switching is done with 4-way switches, the total number of hierarchical switch layers is reduced to 3. A parallel, opposite oriented, network of switches permits input signals delivered to the physical I/Os to be switched to any of the 64 functional I/Os. The small number of switch layers permit connections to be made with a minimum of delay across the switch. A method corresponding to the above-described crossbar switch system is also provided.
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申请公布号 |
US6331977(B1) |
申请公布日期 |
2001.12.18 |
申请号 |
US19980143148 |
申请日期 |
1998.08.28 |
申请人 |
SHARP ELECTRONICS CORPORATION;SHARP KABUSHIKI KAISHA |
发明人 |
SPADERNA DIETER;ROBERTS MICHAEL;SABHA RAED |
分类号 |
G06F13/36;G06F15/173;G06F15/78;H01L21/82;H03K17/00;H04L12/28;(IPC1-7):H04L12/50 |
主分类号 |
G06F13/36 |
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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