Functional pathway configuration at a system/IC interface

A functional pathway configuration for a wireless radio frequency (RF) digital device, comprising:

• a plurality of bi-directional (GP0-GP5) function input-outputs;
• a clock buffer and RF enable (RFENIN) function input;
• a crystal frequency divided by N (CLKOUT) output;
• a power select and amplitude shift keying (PS/DATAASK) function input;
• a differential antenna (ANT1 and ANT2) function outputS;
• and
• a loop filter (LF) function input-output;
• a crystal (XTAL) function input.

A functional pathway configuration for a digital device and a radio frequency device, comprising:

• a first set of nine connections P1, P2, P3, P4, P5, P6, P7, P8 and P9, wherein each of the first set of nine connections has a dedicated function(s) as follows:
• CONNECTION FUNCTION(S) P1 VDD P2 GP5/OSC1/CLKIN P3 GP4/OSC2 P4 GP3/˜MCLR/VPP P5 RFENIN P6 CLKOUT P7 PS/DATAASK P8 VDDRF P9 ANT2
• and;
• a second set of nine connections P10, P11, P12, P13, P14, P15, P16, P17 and P18, wherein each of the second set of nine connections has a dedicated function(s) as follows:
• CONNECTION FUNCTION(S) P10 ANT1 P11 VSSRF P12 No connection P13 LF (Loop Filter) P14 XTAL (Xtal OSC) P15 GP2/TOCKI P16 GP1 P17 GP0 P18 VSS
• wherein at least one of the sets is disposed on one side of an integrated circuit package.

A functional pathway configuration for a digital device and a radio frequency device, comprising:

• a first set of ten connections P1, P2, P3, P4, P5, P6, P7, P8, P9 and P10, wherein each of the first set of ten connections has a dedicated function(s) as follows:
• CONNECTION FUNCTION(S) P1 VDD P2 GP5/OSC1/CLKIN P3 GP4/OSC2 P4 GP3/˜MCLR/VPP P5 XTAL (Xtal OSC) P6 RFENIN P7 CLKOUT P8 PS/DATAASK P9 VDDRF P10 ANT2
• and;
• a second set often connections P11, P12, P13, P14, P15, P16, P17, P18, P19 and P20, wherein each of the second set of ten connections has a dedicated function(s) as follows:
• CONNECTION FUNCTION(S) P11 ANT1 P12 VSSRF P13 No connection P14 LF (Loop Filter) P15 DATAASK P16 FSKOUT P17 GP2/TOCKI P18 GP1 P19 GP0 P20 VSS
• wherein at least one of the sets is disposed on one side of an integrated circuit package.