KMPC855TCZQ66D4

Series:	MPC8xx
Packaging:	Tray
Part Status:	Obsolete
Core Processor:	MPC8xx
Number of Cores/Bus Width:	1 Core, 32-Bit
Speed:	66MHz
Co-Processors/DSP:	Communications; CPM
RAM Controllers:	DRAM
Graphics Acceleration:	No
Display & Interface Controllers:	--
Ethernet:	10 Mbps (1), 10/100 Mbps (1)
SATA:	--
USB:	--
Voltage - I/O:	3.3V
Operating Temperature:	-40°C ~ 95°C (TA)
Security Features:	--
Package / Case:	357-BBGA
Supplier Device Package:	357-PBGA (25x25)
Additional Interfaces:	HDLC/SDLC, I²C, IrDA, PCMCIA, SPI, TDM, UART/USART
Base Part Number:	MPC855

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Introduction:

KMPC855TCZQ66D4 is an embedded microprocessor developed by Texas Instruments (TI). This powerful 8-bit processor features a low-power consumption design that suits a variety of applications, such as embedded systems, digital signal processing, and others. This article will highlight the application field and working principle of TI’s KMPC855TCZQ66D4 processor.

Application Field:

The KMPC855TCZQ66D4 is an embedded processor that is well-suited for a variety of applications. For example, it can be used in automotive, commercial, control, industrial and consumer systems. This processor is ideal for projects where low power and small size are essential. Furthermore, due to its low power and small form factor, the 8-bit processor has become a popular choice for embedded systems that require input/output signals processing, control operations, and remote equipment monitoring.

Working Principle:

The KMPC855TCZQ66D4 takes advantage of its 8 bit data bus and a 16 bit address bus to ensure that address setting, memory access and data transfer can occur simultaneously. At its core, the processor uses two sets of registers (named A and B) to enable parallel processing of instructions. This feature allows for faster throughput of instructions than processes performed on single-bus microprocessors.Moreover, the processor is designed to handle real-time requirements efficiently. This is accomplished through a flexible interrupt mechanism that allows for quick recognition and priority setting of varied interrupt levels. With this feature, any CPU cycle can be interrupted by external signals.

Conclusion:

The “KMPC855TCZQ66D4” is an 8-bit embedded processor developed by Texas Instruments, which makes it perfect for applications that require low power consumption and a small form factor. Its 8-bit data bus and 16-bit address bus allow for simultaneous access, memory and data transfer. Moreover, its flexible interrupt mechanism enables it to efficiently handle a variety of real-time tasks. As such, the KMPC855TCZQ66D4 processor is a great choice for embedded systems, digital signal processing and other applications.

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