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S3C820B

Samsung semiconductor
Part Number S3C820B
Manufacturer Samsung semiconductor
Description S3C-SERIES MICROCONTROLLERS
Published Apr 7, 2005
Detailed Description S3C820B PRODUCT OVERVIEW 1 PRODUCT OVERVIEW S3C-SERIES MICROCONTROLLERS Samsung’s S3C8-series of 8-bit single-chip C...
Datasheet PDF File S3C820B PDF File

S3C820B
S3C820B

Overview
S3C820B PRODUCT OVERVIEW 1 PRODUCT OVERVIEW S3C-SERIES MICROCONTROLLERS 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.
Important CPU features include: — 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 six CPU clocks) can be assigned to specific interrupt levels.
S3C820B MICROCONTROLLER The S3C820B single-chip CMOS microcontroller is fabricated using a highly advanced CMOS process and is based on Samsung’s newest CPU architecture.
The S3C820B is the microcontroller which has 64K-byte mask-programmable ROM and 192K-byte mask ROM for font data.
Using a proven modular design approach, Samsung engineers developed the S3C820B by integrating the following peripheral modules with the powerful SAM87 core: — Four programmable I/O ports, excluding one BUZ pin, for a total of 32 pins.
— Eight 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.
The S3C820B is a versatile microcontroller for data bank or dictionary.
It is currently available in a 128pin QFP package.
1-1 PRODUCT OVERVIEW S3C820B FEATURES CPU • SAM87 CPU core LCD Controller/Driver • • • • 65 segments and 18 common terminals Internal resistor circuit for LCD bias Voltage doubler All dot can be switched on/off Memory • • • • 64K-byte internal program memory (ROM) 192K-byte internal memory (ROM) for font data 272-byte internal register file (Excluding LCD RAM) 6144-byte data R...


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