Samsung semiconductor S3P7414
The S3P7414/P7424/P7434 is comparable to S3C7414/C7424/C7434, in function, in D.C. The Samsung Generalized Assembler (SAMA) has been designed specifically for the SMDS environment and accepts assembly language sources in a variety of microprocessor formats.FEATURES
SUMMARY Memory●
● 256 × 4-bit RAM 4,096 × 8-bit ROM Built-in reset circuit (S3C7434 only)
● Built-in power-on reset circuit Interrupts
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● Five internal vectored interrupts (INTB, INTT0, INTT1, INTS, INTAD) Three external vectored interrupts (INT0, INT1, INT4) Two quasi-interrupts (INT2, INTW) 35 I/O Pins
● I/O: 31 pins including 8 LED direct drive pins (S3C7414/C7434) 18 pins including 8 LED direct drive pins (S3C7424) Input only: 4 pins
● Bit Sequential Carrier A/D Converter
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● 6-channel with 8-bit resolution 22.89 µs conversion speed at 4.19 MHz
● Supports 16-bit serial data transfer in arbitrary format Memory-Mapped I/O Structure
● Data memory bank 15 Basic Timer
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● One 8-bit basic timer Watchdog timer functions Four interval clock selection Two Power-Down Modes
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● Idle mode (only CPU clock stops) Stop mode (system oscillation stops) Timer/Counters
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● Two 8-bit timer/counter (TC0, TC1) Programmable 8-bit timer External event counter Arbitrary clock frequency...