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S3C1840 S3C1840 DESCRIPTION S3C1840, a 4-bit single-chip CMOS microcontroller, consists of the reliable SMCS-51 CPU core with on-chip ROM and RAM.
Eight input pins and 11 output pins provide the flexibility for various I/O requirements.
Auto reset circuit generates reset pulse every certain period, and every halt mode termination time.
The S3C1840 microcontroller has been designed for use in small system control applications that require a low-power, cost sensitive design solution.
In addition, the S3C1840 has been optimized for remote control transmitter.
FEATURES ROM Size • 1,024 bytes Four Transmission Frequencies • fxx/12 (1/4 duty), fxx/12 (1/3 duty), fxx/8 (1/2 duty), and no-carri...

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