Integrated circuit device with programmable analog subsystem
First Claim
Patent Images
1. An integrated circuit (IC) device, comprising:
- a plurality of analog blocks, includingat least one fixed function analog circuit, anda plurality of reconfigurable analog circuit blocks;
at least one analog routing block reconfigurable to provide signal paths between any of the analog blocks; and
a digital section comprising digital circuits, wherein each analog block includes dedicated signal lines coupled to the at least one analog routing block and at least one of the reconfigurable analog circuit blocks includes at least one direct signal line coupling the at least one of the reconfigurable analog circuit blocks to an external connection of the IC device without passing through any switch, wherein at least one of the analog blocks comprises a programmable reference block (PRB) configured to generate at least four programmable reference values.
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Abstract
An integrated circuit (IC) device can include a plurality of analog blocks, including at least one fixed function analog circuit, a plurality of reconfigurable analog circuit blocks, at least one analog routing block reconfigurable to provide signal paths between any of the analog blocks; and a digital section comprising digital circuits; wherein each analog block includes dedicated of signal lines coupled to the at least one analog routing block.
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Citations
17 Claims
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1. An integrated circuit (IC) device, comprising:
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a plurality of analog blocks, including at least one fixed function analog circuit, and a plurality of reconfigurable analog circuit blocks; at least one analog routing block reconfigurable to provide signal paths between any of the analog blocks; and a digital section comprising digital circuits, wherein each analog block includes dedicated signal lines coupled to the at least one analog routing block and at least one of the reconfigurable analog circuit blocks includes at least one direct signal line coupling the at least one of the reconfigurable analog circuit blocks to an external connection of the IC device without passing through any switch, wherein at least one of the analog blocks comprises a programmable reference block (PRB) configured to generate at least four programmable reference values. - View Dependent Claims (2, 3, 4, 5)
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6. An integrated circuit (IC) device, comprising:
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at least one reconfigurable analog routing signal fabric; a plurality of analog blocks, including at least one fixed function analog circuit with dedicated signal lines connected to the analog routing signal fabric, a plurality of reconfigurable analog circuit blocks with dedicated signal lines connected to the analog routing signal fabric, wherein at least one of the plurality of reconfigurable analog circuit blocks includes at least one direct signal line coupling the at least one of the plurality of reconfigurable analog circuit blocks to an external connection of the IC device without passing through any switch, and wherein at least one of the reconfigurable analog blocks comprises a programmable reference block (PRB) configured to generate at least four programmable reference values; and a digital section comprising digital circuits. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method, comprising:
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in response to digital configuration signals, interconnecting a plurality of analog blocks with a reconfigurable analog signal routing fabric, the analog blocks including at least one fixed function analog circuit with dedicated signal lines connected to the analog signal routing fabric, and a plurality of reconfigurable analog circuit blocks with dedicated signal lines connected to the analog signal routing fabric, wherein at least one of the plurality of reconfigurable analog circuit blocks includes at least one direct signal line coupling the at least one of the plurality of reconfigurable analog circuit blocks to an external connection of the IC device without passing through any switch, and wherein at least one of the reconfigurable analog blocks comprises a programmable reference block (PRB) configured to generate at least four programmable reference values; and generating the digital configuration signal with a digital section comprising digital circuits. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification