Data Sheet
EnzyTek Technology, Inc. 
7F, No. 35, Hsueh Fu Rd., Hsinchu 300, 
Taiwan , R.O.C. 
TEL:886-3-573-6708    FAX:  886-3-573-8749 
4/24 
Audio subsystem 
   32‑bit Kalimba audio digital signal processor (DSP) core with flexible clocking from 2 MHz to 120 
MHz to allow optimization and trade-off performance vs. power consumption 
   DSP runs from ROM 
   80 KB program random access memory (RAM) 
   256 KB data RAM 
   5 Mb ROM   
Application subsystem 
   Dual core application subsystem 32 MHz operation 
   32‑bit Firmware Processor: 
□     
Reserved for system use 
□     
Runs Bluetooth upper stack, profiles, house-keeping code 
   32‑bit Developer Processor: 
□     
Runs developer applications 
   Both cores execute code from external flash memory using 
QSPI clocked at 32 MHz 
   On-chip caches per core allow for optimized performance and power consumption 
Bluetooth subsystem 
   Qualified to Bluetooth v5.0 specification including 2 Mbps 
Bluetooth low energy (Production parts) 
   Single ended antenna connection with on-chip balun and 
Tx/Rx switch 
   Bluetooth, Bluetooth low energy, and mixed topologies supported 
   Class 1/2 support   










