https://www3.dahuasecurity.com/products/All-Products/Network-Cameras/Wireless-Series
Product Info
ADSP-21990:  High-Performance Mixed-Signal DSP, 160 MHz, 4K Words Program Memory RAM

ADSP-21990: High-Performance Mixed-Signal DSP, 160 MHz, 4K Words Program Memory RAM

MFNE
Region: Taiwan
Update: 03/05/2009
Key Specifications

Features:
* 160 MHz, ADSP-219x DSP Core
* 8-Channel, 14-Bit, 20 MSPS ADC with On-Chip Voltage Reference
* 4K Words Program Memory RAM
* 4K Words Data Memory RAM
* External Memory Interface (to 1 MWord)
* Three-Phase PWM Generation Unit with additional Dual Auxiliary PWM Outputs
* Incremental Encoder Interface Unit
* Three 32-Bit, General Purpose Timers
* 16-Bit General Purpose Flag I/O Port
* Synchronous Serial (SPORT) & SPI Communications Port

For more information or interest in the product, please visit here.

https://www.asmag.com/showpost/34922.aspx