Bluetooth Low Energy ICs

CSR1020™
- All purpose cost-optimized general platform
- 15x GPIO
- 1x AIO
- QFN 36-lead package
- 5 x 5 x 0.65mm; 0.5mm pitch
- Pin compatible with CSR1024

CSR1021™
- High I/O count cost-optimized variant
- 37x GPIO
- 2x AIO
- QFN 60-lead package
- 8 x 8 x 0.65mm; 0.5mm pitch
- Pin compatible with CSR1025

CSR1024™
- All-purpose upgrade-able platform
- 15x GPIO
- 1x AIO
- 256KB internal flash
- LGA 36-lead package
- 5 x 5 x 0.75mm; 0.5mm pitch

CSR1025™
- High I/O count upgrade-able platform
- 33x GPIO
- 2x AIO
- 256KB internal flash
- LGA 60-lead package
- 8 x 8 x 0.75mm; 0.5mm pitch