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ML63187 Datasheet(PDF) 32 Page - OKI electronic componets |
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ML63187 Datasheet(HTML) 32 Page - OKI electronic componets |
32 / 36 page ¡ Semiconductor ML63187/63189B 32/35 Note: VDDI is the power supply pin for the input-output ports. Be sure to connect the VDDI pin either to the positive power supply pin (VDD) of this device or to the positive power supply pin of the external memory. Application Circuit Example with No Power Supply Backup APPLICATION CIRCUITS (ML63187) XT0 COM1-16 XT1 VDDH VDD VDD5 VDD4 VDD3 VDD2 VDD1 C1 C2 RESET TST1 TST2 MD MDB VSS SEG0-63 OSC0 OSC1 PB.3 PB.2 PB.1 PB.0 Cv CG C12 LCD Crystal 32.768 kHz VDD 5.0 V Ce Cd Cc Cb Ca Buzzer •Crystal oscillation is selected as low-speed oscillation. •Ceramic oscillation is selected as high-speed oscillation. •Ports, external memory, and IC share their power supply. •Cv is an IC power supply bypass capacitor. •Values of Ca, Cb, Cc, Cd, Ce, Cl, C12, CG, CL0, and CL1 are for reference only. VDDI VDD CL0 30 pF CL1 30 pF Ceramic Resonator (Example: 1 MHz) CB1 CB2 VDDL Cl ML63187 0.1 mF 0.1 mF 0.1 mF 0.1 mF 0.1 mF 0.1 mF 0.1 mF 0.1 mF Open Push SW 5 to 25 pF PE.3 PE.2 PE.1 PE.0 |
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