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Samsung semiconductor - SAM87 family of 8-bit single-chip CMOS microcontrollers

Numéro de référence S3C8849
Description SAM87 family of 8-bit single-chip CMOS microcontrollers
Fabricant Samsung semiconductor 
Logo Samsung semiconductor 





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S3C8849 fiche technique
omS3C8847/C8849/P8849
1 taSheet4U.cPRODUCT OVERVIEW
www.DaSAM87 PRODUCT FAMILY
PRODUCT OVERVIEW
Samsung's SAM87 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. Important CPU features include:
m— Efficient register-oriented architecture
o— Selectable CPU clock sources
— Release of Idle and Stop power-down modes by interrupt
.c— Built-in basic timer circuit with watchdog function
UA 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
t4specific interrupt levels.
eS3C8847/C8849/P8849 MICROCONTROLLERS
eThe S3C8847 microcontroller has a 24-Kbyte on-chip program memory and the S3C8849 has a 32-Kbyte. Both
chips have a 272-byte general-purpose internal register file. The interrupt structure has nine interrupt sources
hwith nine interrupt vectors. The CPU recognizes seven interrupt priority levels.
SUsing a modular design approach, the following peripherals were integrated with the SAM87 core to make the
S3C8847/C8849/P8849 microcontrollers suitable for use in color television and other types of screen display
taapplications:
a— Four programmable I/O ports (26 pins total: 16 general-purpose I/O pins; 10 n-channel, open-drain
output pins)
.D— 4-bit resolution A/D converter (4 channels)
— 14-bit PWM output (Two channels: push-pull type, open-drain type)
w— Basic timer (BT) with watchdog timer function
— One 8-bit timer/counter (T0) with interval timer and PWM mode
w— One 8-bit general-purpose timer/counter (TA) with prescalers
w— On-screen display (OSD) with a wide range of programmable features, including halftone control
signal output
omThe S3C8847 and the S3C8849 are available in versatile 42-pin SDIP package.
U.cOTP
et4The S3C8847/C8849 microcontrollers are also available in OTP (One Time Programmable) version, named the
eS3P8849. The S3P8849 microcontroller has an on-chip 32-Kbyte one-time-programmable EPROM instead of a
hmasked ROM. The KS88P8432 is comparable to the S3C8847/C8849, both in function and pin configuration.
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