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S3C821A

Samsung semiconductor
Part Number S3C821A
Manufacturer Samsung semiconductor
Description S3C8-SERIES MICROCONTROLLES
Published Apr 7, 2005
Detailed Description S3C821A/P821A PRODUCT OVERVIEW 1 PRODUCT OVERVIEW S3C8-SERIES MICROCONTROLLES Samsung's S3C8 series of 8-bit single-...
Datasheet PDF File S3C821A PDF File

S3C821A
S3C821A

Overview
S3C821A/P821A PRODUCT OVERVIEW 1 PRODUCT OVERVIEW S3C8-SERIES MICROCONTROLLES Samsung's S3C8 series 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.
Among the major CPU features are: — Efficient register-oriented architecture — Selectable CPU clock sources — Idle and Stop power-down mode release by interrupt — Built-in basic timer with watchdog function A 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 of six CPU clocks) can be assigned to specific interrupt levels.
S3C821A/P821A MICROCONTROLLER The S3C821A/P821A single-chip CMOS microcontroller is fabricated using the highly advanced CMOS process, based on Samsung’s newest CPU architecture.
The S3C821A is a microcontroller with a 48-Kbyte mask-programmable ROM embedded.
The S3P821A is a microcontroller with a 48-Kbyte one-time-programmable ROM embedded.
Using a proven modular design approach, Samsung engineers have successfully developed the S3C821A/P821A by integrating the following peripheral modules with the powerful SAM8 core: — Six programmable I/O ports, including five 8-bit ports and one 7-bit port, for a total of 47 pins.
— Twelve bit-programmable pins for external interrupts.
— One 8-bit basic timer for oscillation stabilization and watchdog functions (system reset).
— One 8-bit timer/counter and one 16-bit timer/counter with selectable operating modes.
— Watch timer for real time.
— 4-input A/D converter — Serial I/O interface The S3C821A/P821A is versatile microcontroller for cordless phone, pager, etc.
They are currently available in 80-pin TQFP and 80-pin QFP package.
OTP The S3P821A is an OTP (One Time Programmable) version of the S3C821A microcontroller.
The S3P821A microcontroller has an on-chip 48-Kbyte one-time-programmable EPROM instead of a masked ROM.
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