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S3C7544

Samsung semiconductor
Part Number S3C7544
Manufacturer Samsung semiconductor
Description Single-chip CMOS microcontroller/ 512 x 4-bit RAM/ 4096 x 8-bit ROM
Published Apr 7, 2005
Detailed Description S3C7544/P7544 PRODUCT OVERVIEW 1 PRODUCT OVERVIEW OVERVIEW The S3C7544 single-chip CMOS microcontroller is designed ...
Datasheet PDF File S3C7544 PDF File

S3C7544
S3C7544

Overview
S3C7544/P7544 PRODUCT OVERVIEW 1 PRODUCT OVERVIEW OVERVIEW The S3C7544 single-chip CMOS microcontroller is designed for high-performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).
With a versatile 8-bit timer/counter and a D/A converter, the S3C7544 offers an excellent design solution for a wide variety of telecommunication applications.
Up to 17 pins of the 24-pin SDIP package can be dedicated to I/O.
Four vectored interrupts provide fast response to internal and external events.
In addition, the S3C7544’s advanced CMOS technology has realized substantially lower power consumption with a wide operating voltage range — all at a substantially lower cost.
OTP The S3C7544 microcontroller is also available in OTP (One Time Programmable) version, S3P7544.
S3P7544 microcontroller has an on-chip 4-Kbyte one-time-programmable EPROM instead of masked ROM.
The S3P7544 is comparable to S3C7544, both in function and in pin configuration.
1-1 PRODUCT OVERVIEW S3C7544/P7544 FEATURES SUMMARY Memory • • 512 × 4-bit RAM 4096 × 8-bit ROM Bit Sequential Carrier • Supports 16-bit serial data transfer in arbitrary format I/O Pins • 17 pins I/O • N-channel open-drain I/O: 8 pins 8-Bit Basic Timer • • Programmable interval timer Watchdog timer Power-Down Modes • • Idle mode (only CPU clock stops) Stop mode (system clock stops) Oscillation Sources • • • Crystal, or ceramic for system clock Crystal, ceramic: 0.
4–6.
0 MHz CPU clock divider circuit (by 4, 8, or 64) Interval 8-Bit Timer/Counter • • • Programmable interval timer External event counter function Timer/counter clock output to TCLO0 pin Instruction Execution Times • • 0.
95, 1.
91, and 15.
3 µs at 4.
19 MHz 0.
67, 1.
33, 10.
7 µs at 6.
0 MHz Buzzer Output • Four frequency output to BUZ pin Operating Temperature • – 40 °C to 85 °C D/A Converter • 8-bit D/A converter Operating Voltage Range • • 1.
8 V to 5.
5 V (at 3 MHz) 2.
7 V to 5.
5 V (at 6 MHz) Interrupts • • • Two external interrup...


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