The Infineon SAF-C164CI-8EM is a powerful 16-bit microcontroller built for performance-critical embedded applications, commonly used in automotive, industrial control systems, and communication devices. Engineered with advanced peripheral integration and real-time processing capabilities, this chip is trusted in environments where reliability and timing are paramount.

However, the same strengths that make it suitable for mission-critical tasks—such as its protected memory structure, secured flash, and locked EEPROM regions—can pose major challenges when users need to break chip SAF-C164CI-8EM firmware to retrieve or modify system data. This is especially true in scenarios involving legacy systems, product redesigns, firmware migration, or unauthorized lockouts.

At Circuit ENGINEERING CO.,LTD, we specialize in unlocking, copying, and decoding complex, encrypted microcontroller firmware, including that of the SAF-C164CI-8EM. Our advanced techniques allow clients to recover the heximal, binary, or source code representations of a device’s flash, EEPROM, or embedded memory regions—even if these areas are locked, cracked, or obfuscated by protective logic.

The Infineon SAF-C164CI-8EM is part of the C164 microcontroller family and features:

• A 16-bit CPU core with up to 20 MHz operating frequency
• On-chip Flash memory and EEPROM
• Multiple timers, serial interfaces, and A/D converters
• Robust interrupt management for real-time responsiveness

Its combination of computational power and peripheral flexibility makes it suitable for automotive ECUs, process automation, industrial PLCs, and telecom modules.

Unfortunately, this level of integration often means the firmware is secured, leaving engineers unable to access the firmware file, or binary data needed for analysis, updates, or duplication.

Break Chip SAF-C164CI-8EM encrypted memory and extract the Firmware out from its flash and eeprom memory, then copy the program and data to blank Microcontroller cloning;

16-Bit Single-Chip Microcontroller C164CI/SI, C164CL/SL

· High Performance 16-bit CPU with 4-Stage Pipeline

– 80 ns Instruction Cycle Time at 25 MHz CPU Clock

– 400 ns Multiplication (16 × 16 bit), 800 ns Division (32 / 16 bit)

– Enhanced Boolean Bit Manipulation Facilities

– Additional Instructions to Support HLL and Operating Systems

– Register-Based Design with Multiple Variable Register Banks

– Single-Cycle Context Switching Support

– 16 MBytes Total Linear Address Space for Code and Data

– 1024 Bytes On-Chip Special Function Register Area

· 16-Priority-Level Interrupt System with 32 Sources, Sample-Rate down to 40 ns

· 8-Channel Interrupt-Driven Single-Cycle Data Transfer Facilities via

Peripheral Event Controller (PEC)

· Clock Generation via on-chip PLL (factors 1:1.5/2/2.5/3/4/5) via prescaler or via direct clock input

· On-Chip Memory Modules

– 2 KBytes On-Chip Internal RAM (IRAM)

– 2 KBytes On-Chip Extension RAM (XRAM)

– up to 64 KBytes On-Chip Program Mask ROM or OTP Memory

· On-Chip Peripheral Modules

– 8-Channel 10-bit A/D Converter with Programmable Conversion Time down to 7.8 µs

– 8-Channel General Purpose Capture/Compare Unit (CAPCOM2)

– Capture/Compare Unit for flexible PWM Signal Generation (CAPCOM6) (3/6 Capture/Compare Channels and 1 Compare Channel)

– Multi-Functional General Purpose Timer Unit with 3 Timers

– Two Serial Channels (Synchronous/Asynchronous and High-Speed-Synchronous)

– On-Chip CAN Interface (Rev. 2.0B active) with 15 Message Objects (Full CAN/Basic CAN)

– On-Chip Real Time Clock

· Up to 4 MBytes External Address Space for Code and Data

– Programmable External Bus Characteristics for Different Address Ranges

– Multiplexed or Demultiplexed External Address/Data

– Four Optional Programmable Chip-Select Signals

· Idle, Sleep, and Power Down Modes with Flexible Power Management

· Programmable Watchdog Timer and Oscillator Watchdog

· Up to 59 General Purpose I/O Lines, partly with Selectable Input Thresholds and Hysteresis

· Supported by a Large Range of Development Tools like C-Compilers,

Macro-Assembler Packages, Emulators, Evaluation Boards, HLL-Debuggers,

Simulators, Logic Analyzer Disassemblers, Programming Boards

· On-Chip Bootstrap Loader

· 80-Pin MQFP Package, 0.65 mm pitch

This document describes several derivatives of the C164 group. Table 1 enumerates these derivatives and summarizes the differences. As this document refers to all of these derivatives, some descriptions may not apply to a specific product.

We offer professional services to break, decrypt, and open SAF-C164CI-8EM microcontrollers in order to restore inaccessible firmware or source code. Whether you’re dealing with a locked, crashed, or copy-protected chip, our tools and methodologies allow us to safely access internal memory and retrieve complete heximal or binary dumps.

Once recovered, we can help disassemble or clone the firmware and even assist in converting it back to a more readable format like annotated assembly language or higher-level C source code if needed. Our capabilities extend beyond raw extraction—we help clients replicate, duplicate, or re-engineer existing systems when the original files are no longer available.

Our service is particularly valuable in the following scenarios:

• Legacy Product Support: Access and replicate firmware from legacy industrial or automotive products using SAF-C164CI-8EM.
• Device Recovery: Recover bricked or malfunctioning units when no firmware archive is available.
• Competitive Analysis: Reverse engineer firmware for compatibility or development purposes.
• Security Audits: Examine protected firmware for vulnerabilities or compliance requirements.

---

Why Choose Us

• Experience with Infineon Architectures
• Custom-tailored extraction and decoding workflows
• Confidential and secure handling of client data
• Support for various output formats including disassembled code and raw hex

Comments are closed.