Help with Microprocessor Chips (MPU) specifications:
General Specifications
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Architecture: | |||
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RISC | Microprocessors that use a reduced instruction set computer (RISC) design process a few simple instructions rather than many complex ones in order to speed operations. | ||
CISC | Microprocessors that use a complex instruction set computer (CISC) design provide variable length instructions, multiple addressing formats, and contain only a small number of general purpose registers | ||
Other | Other unlisted architectures. | ||
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Data Bus | Data buses are a bidirectional set of conductive paths. Data or instruction codes are transferred into the digital signal processor (DSP). The results of operations and computations are output from the DSP. | ||
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8-Bit | Microprocessors have an 8-bit data bus. | ||
16-Bit | Microprocessors have a 16-bit data bus. | ||
24-Bit | Microprocessors have a 24-bit data bus. | ||
32-Bit | Microprocessors have a 32-bit data bus. | ||
64-Bit | Microprocessors have a 64-bit data bus. | ||
128-Bit | Microprocessors have a 128-bit data bus. | ||
256-Bit | Microprocessors have a 256-bit data bus. | ||
Other | Any other unlisted data bus. | ||
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Microprocessor Family: | The processor family of the microcontroller. | ||
Your choices are... | |||
Intel® 8051 | Intel provides Intel® 8051 microprocessors. | ||
Intel® x86 | Intel provides Intel® x86 microprocessors. | ||
AMD | Advanced Micro Devices (AMD) provides microprocessors. | ||
Motorola 68K | Some Motorola microprocessors are designed for use with 68K code. | ||
Motorola PowerPC® | Motorola provides Motorola PowerPC® microprocessors. | ||
ZiLOG® Z80 | ZiLOG® produces 8-bit Z80 microprocessors with dual register banks for fast context switching and interrupt handling. | ||
ARM | ARM provides 16/32-bit RISC microprocessors. | ||
Geode(TM) | National Semiconductor developed the Geode(TM) family of microprocessors. | ||
MIPS Technologies | MIPS Technologies provides microprocessors. | ||
SPARC® | Sun Microsystems, Inc. provides microprocessors for the SPARC® platform. | ||
PIC® | Microchip provides the peripheral interface controller (PIC®), a versatile microcontroller. | ||
Via Technologies | Via Technologies provides microprocessors. | ||
Other | Other unlisted, specialized, or proprietary microprocessor families. | ||
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Supply Voltage: | |||
Your choices are... | |||
-5 V | Microprocessors operate at -5 volts. | ||
-4.5 V | Microprocessors operate at -4.5 volts. | ||
-3.3 V | Microprocessors operate at -3.3 volts. | ||
-3 V | Microprocessors operate at -3 volts. | ||
1.2 V | Microprocessors operate at -1.2 volts. | ||
1.5 V | Microprocessors operate at 1.5 volts. | ||
1.8 V | Microprocessors operate at 1.8 volts. | ||
2.5 V | Microprocessors operate at 2.5 volts. | ||
3 V | Microprocessors operate at 3 volts. | ||
3.3 V | Microprocessors operate at 3.3 volts. | ||
3.6 V | Microprocessors operate at 3.6 volts. | ||
5 V | Microprocessors operate at 5 volts. | ||
Other | Other unlisted supply voltages. | ||
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Performance
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Clock Speed | Clock speed, the frequency that determines how fast devices connected to the system bus operate, is generally expressed in megahertz (MHz). | ||
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RAM | Random access memory (RAM) is generally expressed in kilobytes (kB) or megabytes (MB). | ||
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Power Dissipation | Power dissipation, the device's total power consumption, is generally expressed in watts (W) or milliwatts. | ||
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Operating Temperature | This is the range of operating temperatures. | ||
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I/O Ports and Interfaces
Input/output (I/O) ports and interfaces are connections to a microprocessor that provide a data path between the microprocessor and external devices such as a keyboard, display, or reader.
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I/O Ports | The number of I/O ports is equal to the number of input, output, and general-purpose ports, or lines, combined. | ||
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Number of UARTs | Universal asynchronous receiver/transmitter (UART) is a circuit that accepts parallel data information and converts it into an asynchronous serial data stream. | ||
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DMA Channels | Direct memory access (DMA) is a method of transferring data directly between two peripherals with minimal processor intervention. Usually, these two peripherals are memory and an I/O device. | ||
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Interface / Port Support | Communication controllers manage data input and output to a host computer or computer network. The units may be complex front-end mainframe interfaces or simpler devices such as multiplexers, bridges, and routers. The devices convert parallel computer data to serial data for transmission over communication lines and perform all the necessary control functions, error checking, and synchronization. | ||
Your choices are... | |||
TCP/IP | Microprocessors have available ports for transport control protocol/internet protocol (TCP/IP) communication. | ||
SPI | Serial peripheral interface (SPI) is a four-wire, full duplex, synchronous serial data link. SPI was originally developed by Motorola to provide a glueless microcontroller interface to industry-standard serial devices, such as EEPROM, and other serial devices. | ||
I2C | The Inter-IC (I2C) bus is a two-wire serial bus designed by Phillips that provides a communications link between integrated circuits. I2Cs are used to control and monitor applications in communications, computer, and industrial settings. Physically, the bus consists of two active wires and a ground connection. The active wires, the serial data line (SDA) and the serial clock line (SCL), are both bidirectional. Each component that is connected to the bus has a unique address and can, depending on its functionality, receive and/or transmit information. | ||
IrDA | Infrared data association (IrDA) ports transfer data from one device to another with infrared light waves instead of cables. | ||
SDLC/HDLC | Designed by IBM in 1975, synchronous data link control (SDLC) is the oldest two-layer protocol for carrying system network architecture (SNA) traffic. In 1979, ISO used SDCL to create high-level data link control (HDLC). | ||
SMBus | Microprocessors use system management bus (SMBus) ports. | ||
CAN | Microprocessors use control area network (CAN) bus ports. | ||
USB | Microprocessors use universal serial bus (USB) ports. | ||
JTAG Interface | The joint test action group (JTAG) created the JTAG interface to allow access to the inner workings of an IC for testing, controlling, and programming purposes. | ||
PWM Interface | Microprocessors use pulse width modulation (PWM) interfaces. | ||
Other | Other unlisted communication ports or interfaces. | ||
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Packaging Information
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Package Type: | |||
Your choices are... | |||
BGA | Ball grid array (BGA) is a type of memory chip with soldered balls on the underside for mounting. Use of BGA allows die package size to be reduced because there is more surface area for attachment. Smaller packaging allows more components to be mounted on a module, making greater densities available. The smaller package also improves heat dissipation for better performance. | ||
PBGA | Plastic-ball grid array (PBGA). | ||
TBGA | Tape-ball grid array (TBGA). | ||
FLGA | Fine-pitch land grid array (FLGA). | ||
QFP | Quad flat packages (QFP) are etched or stamped with fine lead frames. This design enables QFPs to contain more leads and features in a smaller profile (the lead width can be as small as 0.16 mm while the lead pitch is 0.4 mm). The thinner and flexible leads in gull-wing shape also provide better 2nd-level reliability (package to PCB). Quad packages have been used for years to meet increasing challenges of advancing processors/controllers, ASICs, DSPs, gate arrays, logic, memory ICs, PC chipset, video-DAC, multi-media and other related applications. QFPs are widely used in consumer and industrial products, automotive technology, PCs and other related products. | ||
LFQP | Low-profile quad flat package (LQFP). | ||
TQFP | Thin quad flat package (TQFP). | ||
SOP | Small outline package (SOP). | ||
SOIC | Small outline IC (SOIC). | ||
TSOP Type I | Thin small outline package (TSOP) is a type of DRAM package that uses gull wing shaped leads on both sides. TSOP DRAM mounts directly on the surface of the printed circuit board. The advantage of the TSOP package is that it is one-third the thickness of an SOJ package. TSOP components are commonly used in small outline DIMM and credit card memory applications. Thin small outline package may be Type I or Type II. | ||
TSOP Type II | Thin small outline package (TSOP) is a type of DRAM package that uses gull wing shaped leads on both sides. TSOP DRAM mounts directly on the surface of the printed circuit board. The advantage of the TSOP package is that it is one-third the thickness of an SOJ package. TSOP components are commonly used in small outline DIMM and credit card memory applications. Thin small outline package may be Type I or Type II. | ||
SSOP | Shrink small outline package (SSOP). | ||
TSSOP | Thin shrink small outline L-leaded package (TSSOP). | ||
TVSOP | Thin very small outline package (TVSOP). | ||
SOJ | Small outline J-lead (SOJ) is a common form of surface-mount DRAM packaging. It is a rectangular package with J-shaped leads on the two long sides of the device. | ||
HSOF | Small outline flat-leaded package with heat sink (HSOF). | ||
PLCC | Plastic leaded chip carrier (PLCC). | ||
LCCC | Leadless ceramic chip carrier (LCCC). | ||
DIP | Dual In-line package (DIP) is a type of DRAM component packaging. DIPs can be installed either in sockets or permanently soldered into holes extending into the surface of the printed circuit board. Plastic dual-in-line package (PDIP) is widely used for low cost, hand-insertion applications including consumer products, automotive devices, logic, memory ICs, micro-controllers, logic and power ICs, video controllers commercial electronics and telecommunications. Ceramic dual-In-line package (CDIP) consists of two pieces of dry pressed ceramic surrounding a "DIP formed" lead frame. The ceramic / LF / ceramic system is held together hermetically by frit glass reflowed at temperatures between 400° - 460° centigrade. | ||
SIP | Single inline package (SIP). | ||
SDIP | Shrink dual inline package (SDIP). | ||
SZIP | Shrink zigzag inline package (SZIP). | ||
Other | Other unlisted, specialized, or proprietary packages. | ||
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Pin Count | The pin count is the number of pins in the microprocessor. | ||
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Features
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PLL / DLL? | Integrated phase locked loops (PLLs) and delay locked loops (DLLs) with clock frequency synthesis capabilities allow designers to generate high-speed internal clocks for sampling data in microprocessor applications. PLLs and DLLs give designers greater control over the clock frequencies used in integrated designs. This is vital for system integration because different parts of a system operate at different clock frequencies. | ||
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Watchdog Timer? | Watchdog timers are simple countdown timers that are used to reset microprocessors after specific intervals of time. | ||
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On-Chip Oscillator | On-chip oscillators are embedded. | ||
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Real Time Clock (RTC) | Real time clocks (RTCs) are embedded. | ||
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Supervisory Functions | Microprocessors have programmable supervisory functions. | ||
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Programmable Alarms | Microprocessors have programmable alarms. | ||
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