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LC88F85D0A Datasheet(PDF) 2 Page - ON Semiconductor |
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LC88F85D0A Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 31 page LC88F85D0A No.A1954-2/31 Minimum instruction cycle time (tCYC) • 100ns (10MHz) VDD = 4.5 to 5.5V • 125ns (8MHz) VDD = 3.0 to 5.5V • 500ns (2MHz) VDD = 2.0 to 5.5V Ports • Normal withstand voltage I/O ports Ports whose I/O direction specifiable in 1-bit units: 20 (P0n, P1n, P20 to P23) • LCD (Pins COM16/SEG0 to COM31/SEG15 are multiplexed with COM and SEG.) LCD driver bias power supply pins 4 (VLCD1 to VLCD4) Step-up capacitor pins 2 (CUP00, CUP01) 16 common mode Segment output 64 (SEG0 to SEG63) Common output 16 (COM0 to COM15) 32 common mode Segment output 48 (SEG16 to SEG63) Common output 32 (COM0 to COM31) • Oscillation dedicated ports 4 (XT1, XT2, CF1, CF2) • Reset pin 1 (RESB) • TEST pin 1 (TEST) • LCD port power pins 2 (LCDVSS0, LCDVSS1) • Power pins 2 (VDD, VSS) LCD • LCD power supply : Capacitor step-up type • Number of dots : 1024 (64 segments × 16 commons) / 1536 (48 segments × 32 commons) • Contrast : Selectable from 16 levels • LCD frame frequency : Selectable from 4 frequencies Timers • Timer 0: 16-bit timer that supports PWM/toggle outputs <1> With 5-bit prescaler <2> 8-bit PWM × 2 / 8-bit timer + 8-bit PWM split mode selectable <3> Clock source selectable from system clock, OSC0, OSC1, and internal RC oscillator • Timer 1: 16-bit timer with a capture register <1> With 5-bit prescaler <2> Can be divided into 8-bit timer × 2 channels <3> Clock source selectable from system clock, OSC0, OSC1, and internal RC oscillator • Timer 3: 16-bit timer that supports PWM/toggle outputs <1> With 8-bit prescaler <2> 8-bit timer × 2 channels / 8-bit timer + 8-bit PWM split mode selectable <3> Clock source selectable from system clock, OSC0, OSC1, and external events • Timer 4: 16-bit timer that supports toggle output <1> Clock source selectable from system clock and prescaler 0 • Timer 5: 16-bit timer that supports toggle output <1> Clock source selectable from system clock and prescaler 0 * The prescaler 0 consists of 4 bits and its clock source is selectable from the system clock, OSC0, and OSC1. • Base timer <1> The clock can be selected from OSC0 (32.768kHz crystal oscillator) and the frequency-divided output of the system clock. <2> Interrupts can be generated in 7 time schemes. Realtime clock (RTC) <1> Calendar function from January 1, 2000 to December 31, 2799 (with automatic leap year compensation) <2> Independent counter configuration for century, year, month, day, hour, minute, and second <3> Programmable count clock correction function |
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