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Manufacturer Part #


CSR101X Series 128 kB 12 I/O I2C/SPI Bluetooth v4.1 Smart IC - QFN-32

ECAD Model:
Mfr. Name: Qualcomm
Standard Pkg:
Product Variant Information section
Date Code:
Product Specification Section
Technical Attributes
Attributes Table
Data Rate: 3.69Mbps
Max Power Consumption: 20mA
Certified: Yes
Package Style:  QFN-32
Mounting Method: Surface Mount
Features & Applications

The single chip µEnergyTM radio is integrated with a built-in processor to run the customer application as well as the qualified Bluetooth 4.0 single-mode stack and radio. The platform has been optimized for easy development and low cost designs with minimal external components. Both chip variants can run directly from a 3V coin cell, and connect directly to a PCB antenna.

Key features:

  • Bluetooth 4.0 (Single mode Bluetooth Smart)
  • +8 dBm Bluetooth LE Maximum Tx output power
  • -92.5dBm Bluetooth LE Rx Sensitivity
  • 128KB memory: 64KB RAM and 64KB ROM
  • 50Kbytes of user App space
  • Bluetooth Low Energy host stack incl. ATT, GATT, SMP, L2CAP, GA

Five Product Variants:

  • CSR1010TM QFN 32, 5 x 5 x 0.6mm, 0.5mm pitch
  • CSR1010DTM Extended Temperature variant of CSR1010
  • CSR1011TM QFN 56, 8 x 8 x 0.9mm, 0.5mm pitch
  • CSR1012TM QFN 32, 4 x 4 x 0.65mm, 0.4mm pitch
  • CSR1013TM WL-CSP 34 bump, 2.4 x 2.6 x 0.35mm, 0.4mm
Pricing Section
Global Stock:
On Order:
Factory Stock:Factory Stock:
Factory Lead Time:
30 Weeks
Minimum Order:
Multiple Of:
Web Price
Product Variant Information section