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S3C8444

Samsung semiconductor
Part Number S3C8444
Manufacturer Samsung semiconductor
Description S3C8444 MICROCONTROLLER
Published Apr 7, 2005
Detailed Description Product Overview Address Spaces Addressing Modes Control Registers Interrupt Structure Instruction Set S3C8444 PRODUCT...
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S3C8444
S3C8444

Overview
Product Overview Address Spaces Addressing Modes Control Registers Interrupt Structure Instruction Set S3C8444 PRODUCT OVERVIEW 1 PRODUCT OVERVIEW SAM8 PRODUCT FAMILY Samsung's new SAM8 family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-programmable ROM sizes.
A dual address/data bus architecture and a large number of bit- or nibble-configurable I/O ports provide a flexible programming environment for applications with varied memory and I/O requirements.
Timer/counters with selectable operating modes are included to support real-time operations.
Many SAM8 microcontrollers have an external interface that provides access to external memory and other peripheral devices.
The sophisticated interrupt structure recognizes up to eight interrupt levels.
Each level can have one or more interrupt sources and vectors.
Fast interrupt processing (within a minimum six CPU clocks) can be assigned to specific interrupt levels.
S3C8444 MICROCONTROLLER The S3C8444 single-chip microcontroller is fabricated using a highly advanced CMOS process.
Its design is based on the powerful SAM8 CPU core.
Stop and Idle power-down modes were implemented to reduce power consumption.
The size of the internal register file is logically expanded, increasing the addressable on-chip register space to 1040 bytes.
A flexible yet sophisticated external interface is used to access up to 64-Kbytes of program and data memory.
The S3C8444 is a versatile microcontroller that is ideal for use in a wide range of general-purpose applications such as CD-ROM/DVD-ROM drives.
Using the SAM8 modular design approach, the following peripherals were integrated with the SAM8 CPU core: 1–1 PRODUCT OVERVIEW S3C8444 — Six configurable 8-bit general I/O ports — One 8-bit n-channel, open-drain output port — One 8-bit input port for A/D converter input or digital input — Full-duplex serial data port with one synchronous and three as...


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