CETC58 JS570LS3137 – Alternative to TI TMS570LS3137 High-Performance 32-bit MCU
JS570LS3137, developed by CETC 58th Research Institute (CETC58), is a high-performance 32-bit microcontroller designed as a drop-in alternative to TI TMS570LS3137. It delivers equivalent architecture, performance, and peripheral resources, enabling smooth migration for existing designs while meeting domestic sourcing and long-term supply requirements.
The device is based on the ARM® Cortex®-R4F 32-bit RISC core and supports lockstep operation, ensuring high reliability and functional safety. JS570LS3137 is well suited for industrial, automotive, power, rail transportation, and aerospace applications where safety and stability are critical.

Key Advantages as a TMS570LS3137 Replacement
Domestic and controllable supply from CETC58
Architecture-compatible with TI TMS570LS3137
Equivalent performance and peripherals, minimizing redesign effort
High-reliability design with lockstep CPU and memory protection
Suitable for safety-critical embedded systems
Core Specifications
CPU Core: ARM® Cortex®-R4F, 32-bit RISC
Maximum Clock Frequency: Up to 180 MHz
Operating Voltage:
I/O: 3.3 V
Core: 1.2 V
Operating Temperature Range: –40°C to +125°C
Computation Features:
Lockstep architecture support
Single-precision and double-precision floating-point operations
Memory and Peripheral Resources
On-chip Memory:
64 KB EEPROM
256 KB RAM
Integrated Peripherals:
1 × 12-bit ADC
8 × SPI interfaces
3 × I²C interfaces
Multiple PWM modules
External memory interface
Up to 16 GPIOs
Package and Reliability
Package Type: CBGA337
Package Dimensions: 16.10 × 16.10 × 4.00 mm
Quality Level: Grade B, suitable for industrial and high-reliability applications
Typical Applications
JS570LS3137 can directly replace TI TMS570LS3137 in many designs, including:
Industrial automation and motor control
Automotive electronic control units (ECUs)
Power and energy management systems
Rail transit control systems
Aerospace and defense electronics
Safety-critical embedded control platforms
CETC58 is China's top military-IC maker. Its products can replace those of brands such as TI, ADI, and ITD , etc. For more alternative models, please visit the CETC58 brand column or consult CORE.



