Microchip AT90CAN32

AT90CAN32 Allgemeine Beschreibung

Unveiling the AT90CAN32 microcontroller, a hallmark of innovation and excellence within Atmel's prestigious AVR family, now embraced by Microchip Technology. Tailored with automotive applications in mind, this outstanding creation features a robust CAN controller and a prodigious operating frequency of 16 MHz. Driven by an enhanced RISC architecture, the AT90CAN32 offers a substantial 32KB of in-system programmable Flash memory along with 1KB of EEPROM for efficient data storage and 2KB of SRAM for volatile data handling. Boasting a remarkable capacity of up to 32 programmable I/O lines, this microcontroller seamlessly integrates with external devices, ensuring unparalleled functionality. Moreover, its diverse communication interfaces, encompassing USART, SPI, and TWI, pave the way for seamless interaction possibilities. Operating flawlessly within a broad voltage range of 2.7V to 5.5V, the AT90CAN32 emerges as the ultimate choice for automotive control systems that demand reliable performance under harsh conditions. Embrace the power and resilience of the AT90CAN32, setting new benchmarks for excellence in automotive microcontroller technology

Funktionen

• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
• – 133 Powerful Instructions – Most Single Clock Cycle Execution
• – 32 x 8 General Purpose Working Registers + Peripheral Control Registers
• – Fully Static Operation
• – Up to 16 MIPS Throughput at 16 MHz
• – On-chip 2-cycle Multiplier
• Non volatile Program and Data Memories
• – 32K/64K/128K Bytes of In-System Reprogrammable Flash (AT90CAN32/64/128)
• Endurance: 10,000 Write/Erase Cycles
• – Optional Boot Code Section with Independent Lock Bits
• Selectable Boot Size: 1K Bytes, 2K Bytes, 4K Bytes or 8K Bytes
• In-System Programming by On-Chip Boot Program (CAN, UART, .)
• True Read-While-Write Operation
• – 1K/2K/4K Bytes EEPROM (Endurance: 100,000 Write/Erase Cycles) (AT90CAN32/64/128)
• – 2K/4K/4K Bytes Internal SRAM (AT90CAN32/64/128)
• – Up to 64K Bytes Optional External Memory Space
• – Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 Compliant) Interface
• – Boundary-scan Capabilities According to the JTAG Standard
• – Programming Flash (Hardware ISP), EEPROM, Lock & Fuse Bits
• – Extensive On-chip Debug Support
• CAN Controller 2.0A & 2.0B - ISO 16845 Certified (1)
• – 15 Full Message Objects with Separate Identifier Tags and Masks
• – Transmit, Receive, Automatic Reply and Frame Buffer Receive Modes
• – 1Mbits/s Maximum Transfer Rate at 8 MHz
• – Time stamping, TTC & Listening Mode (Spying or Autobaud)
• Peripheral Features
• – Programmable Watchdog Timer with On-chip Oscillator
• – 8-bit Synchronous Timer/Counter-0
• 10-bit Prescaler
• External Event Counter
• Output Compare or 8-bit PWM Output
• – 8-bit Asynchronous Timer/Counter-2
• 10-bit Prescaler
• External Event Counter
• Output Compare or 8-Bit PWM Output
• 32Khz Oscillator for RTC Operation
• – Dual 16-bit Synchronous Timer/Counters-1 & 3
• 10-bit Prescaler
• Input Capture with Noise Canceler
• External Event Counter
• 3-Output Compare or 16-Bit PWM Output
• Output Compare Modulation
• – 8-channel, 10-bit SAR ADC
• 8 Single-ended Channels
• 7 Differential Channels
• 2 Differential Channels With Programmable Gain at 1x, 10x, or 200x
• – On-chip Analog Comparator
• – Byte-oriented Two-wire Serial Interface
• – Dual Programmable Serial USART
• – Master/Slave SPI Serial Interface
• Programming Flash (Hardware ISP)
• Special Microcontroller Features
• – Power-on Reset and Programmable Brown-out Detection
• – Internal Calibrated RC Oscillator
• – 8 External Interrupt Sources
• – 5 Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down & Standby
• – Software Selectable Clock Frequency
• – Global Pull-up Disable
• I/O and Packages
• – 53 Programmable I/O Lines
• – 64-lead TQFP and 64-lead QFN
• Operating Voltages: 2.7 - 5.5V
• Operating temperature: Industrial (-40°C to +85°C)
• Maximum Frequency: 8 MHz at 2.7V, 16 MHz at 4.5V

Anwendung

• The AT90CAN32 is widely used in automotive applications where communication and control functions are required. Some common applications include:
• Vehicle diagnostics and monitoring systems
• Engine control units (ECUs)
• Transmission control units (TCUs)
• Anti-lock braking systems (ABS)
• Climate control systems
• Electric power steering systems
• Network gateways for interfacing different vehicle networks
• Vehicle tracking and telematics systems
• Industrial automation systems
• Robotics and control systems

Spezifikationen