Integrated circuit device with programmable analog subsystem

An integrated circuit (IC) device, comprising:

• a reconfigurable analog routing signal fabric comprising a plurality of shielded signal lines;
• a analog block comprising:
• a fixed function analog circuit with a dedicated signal line connected to the analog routing signal fabric,
• a reconfigurable analog circuit block comprising:
• a dedicated signal line connected to the analog routing signal fabric, wherein the dedicated signal line is dedicated to only sending data between the reconfigurable analog circuit block and the analog routing signal fabric;
• and
• a direct signal line coupling the reconfigurable analog circuit block to an external connection of the IC device without passing through any switch.

A method, comprising:

• in response to a digital configuration signal, interconnecting a analog block using a reconfigurable analog signal routing fabric, wherein:
• the analog block comprising:
• a fixed function analog circuit with a dedicated signal line connected to the analog signal routing fabric, wherein the dedicated signal line is dedicated to only sending data between the analog block and the analog signal routing fabric, and
• a first reconfigurable analog circuit block with a dedicated signal line connected to the analog signal routing fabric, wherein the first reconfigurable analog circuit block includes a direct signal line coupling the first reconfigurable analog circuit block to an external connection of an integrated circuit (IC) device without passing through any switch, and wherein the first reconfigurable analog circuit block is a continuous time block (CTB) comprising a reconfigurable amplifier circuits;
• and
• performing continuous time signal processing in the CTB block.