Datenblatt-Suchmaschine für elektronische Bauteile |
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STARTERWARE-ARMMPU Datenblatt(PDF) 6 Page - Texas Instruments |
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STARTERWARE-ARMMPU Datenblatt(HTML) 6 Page - Texas Instruments |
6 / 21 page Why Hercules microcontrollers? Hercules dual-CPU lockstep MCU block diagram Hercules safety microcontrollers are based on TI’s 20+ years of safety-critical system expertise, industry collaboration and proven hardware for the automotive mar- ket. The platform consists of three ARM Cortex™-based microcon- troller families (RM48x, TMS570 and TMS470M) that deliver scal- able performance, connectivity, memory and safety features. Unlike many microcontrollers that rely heavily on software for safety capabilities, Hercules microcon- trollers implement safety in hard- ware to maximize performance and reduce software overhead. The Hercules RM4x family pro- vides the highest level of perfor- mance for broad safety applica- tions, including medical and indus- trial, and are developed to the IEC 61508 SIL-3 safety standard. The Hercules TMS570 family provides high performance for transportation applications and is very well suited for applications that need to meet IEC 61508 SIL-3 or ISO 26262 requirements. The Hercules TMS470M family cost efficiently meets the needs of applications that require less performance and lower safety levels. The RM48x and TMS570 dual-CPU lockstep architectures simplify develop- ment while eliminating redundant system requirements to reduce cost. CPU hardware built-in self test (BIST) detects latent defects without complex safe- ty software and code-size overhead. Hardware comparison of CPU outputs provides nearly instant safety response time without any additional perfor- mance impact. ECC logic is integrated in the CPU to protect both memories and busses. All RAM memories can be tested using hardware BIST for high diagnostic coverage and an integrated Memory Protection Unit (MPU) helps protect against deterministic errors in application software. ( www.ti.com/hercules) Key features RM48x Safety MCUs • ARM Cortex-R4F core with floating-point support • Up to 220 MHz • Lockstep safety features built-in simplify SIL-3 applications • Up to 3-MB Flash/256-KB RAM with ECC • Memory protection units in CPU and DMA • Ethernet, USB, CAN • External memory interface TMS570LS Safety MCUs • ARM Cortex-R4F core floating-point support • Up to 180 MHz • Lockstep safety features built-in simplify SIL-3/ASIL D applications • Up to 3-MB Flash/256-KB RAM with ECC • Memory protection units in CPU and DMA • Flexible timer module with up to 44 channels • Ethernet, FlexRay™, CAN, LIN, SPI • External memory interface TMS470M Safety MCUs • 80-MHz ARM Cortex-M3 CPU • Up to 640-KB Flash / 64-KB RAM with ECC protection and EEPROM emulation • Single 3.3-V supply (Vreg on-chip) • Flexible timer module (16 ch) • 2 CAN, 2 MibSPIs, 2 LIN/UART • Safety features (ECC, BISTs, CRC) • Pin- and software-compatible family • Embedded debug module Hercules™ ARM® safety microcontrollers 6 www.ti.com/hercules |
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Ähnliche Beschreibung - STARTERWARE-ARMMPU |
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