Overview
The SPC5746CSK1MMH6 is a high-performance microcontroller from NXP USA Inc., part of the MPC5746C family. This device is designed for demanding automotive and industrial applications, offering advanced features and robust reliability. It is built on the Power Architecture® e200z4 and e200z2 cores, providing dual-issue and single-issue 32-bit CPU capabilities respectively. The microcontroller is known for its high processing power, extensive memory, and comprehensive set of peripherals, making it suitable for complex system designs.
Key Specifications
| Parameter | Value |
|---|---|
| CPU Cores | 1 × 160 MHz Power Architecture® e200z4 Dual issue, 32-bit CPU; 1 × 80 MHz Power Architecture® e200z2 Single issue, 32-bit CPU |
| Flash Memory | 3 MB on-chip flash memory |
| SRAM | 384 KB on-chip SRAM across three RAM ports |
| Cache | 8 KB instruction cache and 4 KB data cache |
| Package | LBGA100: 100 balls, 1 mm pitch, 11 mm x 11 mm x 1.27 mm body |
| Operating Temperature | –40°C to 125°C |
| Clock Interfaces | 8-40 MHz external crystal (FXOSC), 16 MHz IRC (FIRC), 128 KHz IRC (SIRC) |
| Communication Interfaces | Eight enhanced FlexCAN3 with FD support, Four inter-IC communication interface (I2C), ENET complex (10/100 Ethernet), Dual-channel FlexRay controller |
Key Features
- Single precision floating point operations and variable length encoding (VLE) for code density improvements
- End to end ECC (SECDED) for bus transactions
- Configurable I/O domains supporting FlexCAN, LINFlexD, Ethernet, and general I/O
- Synchronous Audio Interface (SAI) and fractional clock dividers (FCD)
- On-chip voltage regulator (VREG) and wake-up from low power modes via the WKPU controller
- Debug functionality with NDI per IEEE-ISTO 5001-2008 Class 3+
- Timers: 16 Periodic Interrupt Timers (PITs), Two System Timer Modules (STM), Three Software Watchdog Timers (SWT)
- 64 Configurable Enhanced Modular Input Output Subsystem (eMIOS) channels
- Device/board boundary Scan testing with JTAG and CJTAG
- Hardware Security Module (HSMv2) and Password and Device Security (PASS)
- ISO26262 ASIL-B compliance for functional safety
- Multiple operating modes including enhanced low power operation
Applications
The SPC5746CSK1MMH6 microcontroller is primarily used in automotive and industrial applications where high reliability and performance are critical. Some specific use cases include:
- Advanced driver-assistance systems (ADAS)
- Engine control units (ECUs)
- Transmission control units (TCUs)
- Industrial control systems
- Automotive safety systems requiring ISO26262 ASIL-B compliance
Q & A
- What is the CPU architecture of the SPC5746CSK1MMH6?
The SPC5746CSK1MMH6 features a Power Architecture® e200z4 Dual issue, 32-bit CPU and a Power Architecture® e200z2 Single issue, 32-bit CPU.
- How much flash memory does the SPC5746CSK1MMH6 have?
The microcontroller has 3 MB of on-chip flash memory.
- What is the package type and size of the SPC5746CSK1MMH6?
The package is an LBGA100 with 100 balls, 1 mm pitch, and a body size of 11 mm x 11 mm x 1.27 mm.
- What are the key communication interfaces supported by the SPC5746CSK1MMH6?
The device supports eight enhanced FlexCAN3 with FD, four inter-IC communication interface (I2C), ENET complex (10/100 Ethernet), and a dual-channel FlexRay controller.
- Does the SPC5746CSK1MMH6 support any audio interfaces?
Yes, it supports a Synchronous Audio Interface (SAI) along with fractional clock dividers (FCD).
- What kind of security features does the SPC5746CSK1MMH6 offer?
The microcontroller includes a Hardware Security Module (HSMv2), Password and Device Security (PASS), and a Fault Collection and Control Unit (FCCU).
- Is the SPC5746CSK1MMH6 compliant with any functional safety standards?
Yes, it is compliant with ISO26262 ASIL-B for functional safety.
- What are the operating temperature ranges for the SPC5746CSK1MMH6?
The operating temperature range is –40°C to 125°C.
- Does the SPC5746CSK1MMH6 support low power modes?
Yes, it includes enhanced low power operation modes and wake-up from low power modes via the WKPU controller.
- What kind of timers does the SPC5746CSK1MMH6 have?
The device features 16 Periodic Interrupt Timers (PITs), two System Timer Modules (STM), and three Software Watchdog Timers (SWT).
- How many eMIOS channels does the SPC5746CSK1MMH6 have?
The microcontroller has 64 Configurable Enhanced Modular Input Output Subsystem (eMIOS) channels.
