Samsung semiconductor S3P7295
The S3P7295 is comparable to S3C7295, both in function and in pin configuration.FEATURES
Memory●
● 256 × 4-bit RAM (excluding LCD display RAM) 16,384 × 8-bit ROM Memory-Mapped I/O Structure
● Data memory bank 15 Power-Down Modes
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● Idle mode (only CPU clock stops) Stop mode (main system oscillation stops) Sub system clock stop mode 8 I/O Pins
● I/O: 8 pins LCD Controller/Driver
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● 44 segments and 16 common terminals (8, 12 and 16 common selectable) Internal resistor circuit for LCD bias Voltage doubler All dot can be switched on/off
● 8-bit Basic Timer
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● 4 interval timer functions Watch-dog timer Instruction Execution Times
● 8-bit Timer/Counter
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● Programmable 8-bit timer Arbitrary clock output (TCLO0) Inverted clock output (TCLO0) Operating Temperature
● – 40 °C to 85 °C
● 0.95, 1.91, 15.3 µs at 4.19 MHz (main) 122 µs at 32.768 kHz (subsystem)
● Oscillation Sources
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● Crystal, ceramic, or RC for main system clock Crystal oscillator for subsystem clock Main system clock frequency: 4.19 MHz (typical) Subsystem clock frequency: 32.768 kHz CPU clock...