The

Infineon Infineon Semiconductor solutions is the largest microcontroller manufacturer in the world, as well as Germany's largest semiconductor manufacturer. It is also the leading automotive semiconductor manufacturer globally. Infineon had roughly 58,0 ...

XC800 family is an

8-bit In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers or data bu ...

microcontroller A microcontroller (MC, uC, or μC) or microcontroller unit (MCU) is a small computer on a single integrated circuit. A microcontroller contains one or more CPUs (processor cores) along with memory and programmable input/output peripherals. Pro ...

family, first introduced in 2005, with a dual cycle optimized

8051 The Intel MCS-51 (commonly termed 8051) is a single-chip microcontroller (MCU) series developed by Intel in 1980 for use in embedded systems. The architect of the Intel MCS-51 instruction set was John H. Wharton.. Intel's original versions w ...

"E-Warp"

core Core or cores may refer to: Science and technology * Core (anatomy), everything except the appendages * Core (laboratory), a highly specialized shared research resource * Core (manufacturing), used in casting and molding * Core (optical fiber ...

. The XC800 family is divided into two categories, the A-Family for Automotive and the I-Family for Industrial and multi-market applications.

Applications

Industrial and multimarket

The Industrial-Family also called I-Family product series ranges from 2KB to 64KB

flash memory Flash memory is an Integrated circuit, electronic Non-volatile memory, non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for t ...

and from 16- to 64- pin package options. It can be found in applications like

motor control Motor control is the regulation of movements in organisms that possess a nervous system. Motor control includes conscious voluntary movements, subconscious muscle memory and involuntary reflexes, as well as instinctual taxes. To control ...

eBike An electric bicycle, e-bike, electrically assisted pedal cycle, or electrically power assisted cycle is a bicycle with an integrated electric motor used to assist propulsion. Many kinds of e-bikes are available worldwide, but they generally fa ...

pump A pump is a device that moves fluids (liquids or gases), or sometimes Slurry, slurries, by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy. Mechanical pumps serve in a wide range of application ...

s and fans e.g. in air conditioners, as display or touch button controls or in digital controlled power supplies e.g. for motor drives or lighting.

Automotive

Automotive devices from the XC800 family can be found in safety and powertrain applications like motorcycle BCM, lighting, window lift, low end airbags, steering angle sensors, pumps, cooling fans and valve/throttle controls. All devices are compliant with the AEC Q100 standards for automotive electronics.

Key features

Core

The instruction set consists of 45% one-byte, 41% two-byte and 14% three-byte instructions. Each instruction takes 1, 2 or 4

machine cycle The instruction cycle (also known as the fetch–decode–execute cycle, or simply the fetch–execute cycle) is the cycle that the central processing unit (CPU) follows from boot-up until the computer has shut down in order to process instructions ...

s to execute. In case of access to slower memory, the access time may be extended by wait cycles (one wait cycle lasts one machine cycle, which is equivalent to two wait states). The XC800

supports a range of debugging features including basic stop/start, single-step execution, breakpoint support and read/write access to the data memory, program memory and special function registers. A 16-bit co-processor provides additional computing performance and is optimized for the processing of multiply / divide operations and for the execution of the

CORDIC CORDIC, short for coordinate rotation digital computer, is a simple and efficient algorithm to calculate trigonometric functions, hyperbolic functions, square roots, multiplications, divisions, and exponentials and logarithms In ma ...

algorithm In mathematics and computer science, an algorithm () is a finite sequence of Rigour#Mathematics, mathematically rigorous instructions, typically used to solve a class of specific Computational problem, problems or to perform a computation. Algo ...

for trigonometric operations.

Memory organization

The 8-

bit The bit is the most basic unit of information in computing and digital communication. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented as ...

MCUs have an embedded user-programmable non-volatile flash memory that allows for fast and reliable storage of user code and data. It is operated with a single 2.5 V supply from the embedded

voltage regulator A voltage regulator is a system designed to automatically maintain a constant voltage. It may use a simple feed-forward design or may include negative feedback. It may use an electromechanical mechanism or electronic components. Depending on the ...

(EVR) and does not require additional programming or erasing voltage. The sectorization of the

allows each sector to be erased independently. A flash error correction (ECC) can detect double-bit errors and correct single-bit errors as well as protect against invalid code execution. Up to 3KB of

RAM Ram, ram, or RAM most commonly refers to: * A male sheep * Random-access memory, computer memory * Ram Trucks, US, since 2009 ** List of vehicles named Dodge Ram, trucks and vans ** Ram Pickup, produced by Ram Trucks Ram, ram, or RAM may also ref ...

is featured, part of this memory being XRAM.

ADC

The

analog-to-digital converter In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a Digital signal (signal processing), digi ...

module (ADC) uses the successive approximation method to convert analog input values (voltages) to discrete digital values with 10-bit resolution. One ADC kernel (ADC0) operates on a user-selectable number of input channels. The input channels can be selected and arbitrated flexibly.

CCU6

The CCU6 is a capture and compare unit which generates PWM signals over different duty cycles and multiple output channels. It operates with 16-bit timers clocked at 48

MHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose formal expression in terms of SI base u ...

and can trigger the ADC operation to harmonize control loops. The CCU6 provides application-specific modes, like for AC drive control or brushless DC-motors using Hall sensors or back-EMF detection. Furthermore, block commutation and control mechanisms for multi-phase machines are supported.

Touch and LED matrix control

LEDTSCU is a functional unit for the control of capacitive touch pads and a matrix of

LED A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresp ...

s through the same pins. For example, 7 segment displays which are commonly used can be controlled by such a matrix. The principle of time-multiplexed operation of two or more functions, in this case touch control and LED-control, reduces the amount of pins used. The capacitive touch control is adjustable in sensitivity to fit for various cover materials and a

ROM Rom, or ROM may refer to: Biomechanics and medicine * Risk of mortality, a medical classification to estimate the likelihood of death for a patient * Rupture of membranes, a term used during pregnancy to describe a rupture of the amniotic sac * ...

library assists the application development.

Communication

XC800 features a set of interfaces for serial communication including

UART A universal asynchronous receiver-transmitter (UART ) is a peripheral device for asynchronous serial communication in which the data format and transmission speeds are configurable. It sends data bits one by one, from the least significant to ...

, SPI and

I2C I, or i, is the ninth letter and the third vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''i'' (pronounced ), plu ...

as well as CAN connectivity. CAN (

Controller Area Network A controller area network bus (CAN bus) is a vehicle bus standard designed to enable efficient communication primarily between electronic control units (ECUs). Originally developed to reduce the complexity and cost of electrical wiring in aut ...

) is a robust serial bus designed for board to board communication in noisy environments such as automobile and industrial control systems. MultiCAN developed by Infineon improves upon previous CAN implementations by adding features such as additional CAN nodes, more message objects linked list management of message objects and support for TTCAN level 2.

Development tools

Evaluation kits

Easy Kits and Starter Kits are microcontroller evaluation boards available for all XC800 devices. Application Kits are more application specific kits e.g. for motor control designs. They contain example codes for various control schemes, power boards or motor types and the according hardware.

Free tools

* DAVE (" Digital Application virtual Engineer") is a free tool to configure low-level drivers and automatically generate source code. * DAVE Bench is a free development tool chain from

for the development of application codes based on XC800

s. It is an

Eclipse An eclipse is an astronomical event which occurs when an astronomical object or spacecraft is temporarily obscured, by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three ...

based IDE environment for C-code programming. It includes source code management and editing, the

Small Device C Compiler The Small Device C Compiler (SDCC) is a free-software, partially retargetable C compiler for 8-bit microcontrollers. It is distributed under the GNU General Public License. The package also contains an assembler, linker, simulator and debugger. ...

(SDCC) (distributed under the

GNU General Public License The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was the first ...

), debugger and flash loading software. * DAVE Drive is a free tool for automated motor control generation which generates motor specific control codes like FOC,

sinusoidal A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. In mechanics, as a linear motion over time, this is '' simple harmonic motion''; as rotation, it correspond ...

or block commutation or V/Hz speed control.

Third party tools

* Keil compiler, debugger, simulator * Hitex Debugger Hitex XC800 Debugger

References

External links

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