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LC863520B Datasheet(PDF) 3 Page - Sanyo Semicon Device |
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LC863520B Datasheet(HTML) 3 Page - Sanyo Semicon Device |
3 / 17 page LC863548B/40B/32B/28B/24B/20B/16B No.7936-3/17 ■ Serial interfaces • IIC-bus compliant serial interface (Multi-master type) Consists of a single built-in circuit with two I/O channels. The two data lines and two clock lines can be connected internally. ■ PWM output • 3-channels × 7-bit PWM ■ Timer • Timer 0 : 16-bit timer/counter With 2-bit prescaler + 8-bit programmable prescaler Mode 0 : Two 8-bit timers with a programmable prescaler Mode 1 : 8-bit timer with a programmable prescaler + 8-bit counter Mode 2 : 16-bit timer with a programmable prescaler Mode 3 : 16-bit counter The resolution of timer is 1 tCYC. • Timer 1 : 16-bit timer/ PWM Mode 0 : Two 8-bit timers Mode 1 : 8-bit timer + 8-bit PWM Mode 2 : 16-bit timer Mode 3 : A variable-bit PWM (9 to 16 bits) In mode 0/1, the resolution of timer/PWM is 1 tCYC In mode 2/3, the resolution of timer/PWM is selectable by program ; tCYC or 1/2 tCYC • Base timer Generate every 500ms overflow for a clock application (using 32.768kHz crystal oscillation for the base timer clock) Generate every 976 µs, 3.9ms, 15.6ms, 62.5ms overflow (using 32.768kHz crystal oscillation for the base timer clock) Clock for the base timer is selectable from 32.768kHz crystal oscillation, system clock or programmable prescaler output of Timer 0 ■ Remote control receiver circuit (connected to the P73/INT3/T0IN terminal) • Noise rejection function • Polarity switching ■ Watchdog timer External RC circuit is required Interrupt or system reset is activated when the timer overflows ■ ROM correction function Max 128-bytes/2 addresses ■ Interrupts • 13 sources 8 vectored interrupts 1. External Interrupt INT0 2. External Interrupt INT1 3. External Interrupt INT2, Timer/counter T0L (Lower 8-bits) 4. External Interrupt INT3, base timer 5. Timer/counter T0H (Upper 8-bits) 6. Timer T1H, Timer T1L 7. Vertical synchronous signal interrupt (VS), horizontal line (HS) 9. IIC, Software • Interrupt priority control Three interrupt priorities are supported (low, high and highest) and multi-level nesting is possible. Low or high priority can be assigned to the interrupts from 3 to 8 listed above. For the external interrupt INT0 and INT1, low or highest priority can be set. |
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