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MSM63188A Datasheet(PDF) 9 Page - OKI electronic componets |
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MSM63188A Datasheet(HTML) 9 Page - OKI electronic componets |
9 / 33 page ¡ Semiconductor MSM63188A 9/32 PIN DESCRIPTIONS The basic functions of each pin of the MSM63188A are described in Table 1. A symbol with a slash (/) denotes a pin that has a secondary function. Refer to Table 2 for secondary functions. For type, "—" denotes a power supply pin, "I" an input pin, "O" an output pin, and "I/O" an input- output pin. Table 1 Pin Descriptions (Basic Functions) Function Symbol Pin Type VDD 73 — VSS 62 — VDD1 63 VDD2 64 VDD3 65 — VDD4 66 Power Supply VDD5 67 C1 68 — C2 69 — VDDI 87 — VDDL 74 — VDDH 70 — CB1 71 — CB2 72 — XT0 79 I Oscillation XT1 78 O OSC0 76 I OSC1 75 O Test TST1 81 I TST2 80 I Reset RESET 77 I Melody MD 84 O MDB 85 O Description Positive power supply Negative power supply Power supply pins for LCD bias (internally generated). Capacitors (0.1 mF) should be connected between these pins and VSS. Capacitor connection pins for LCD bias generation. A capacitor (0.1 mF) should be connected between C1 and C2. Positive power supply pin for external interface (power supply for input, output, and input-output ports) Positive power supply pin for internal logic (internally generated). A capacitor (0.1 mF) should be connected between this pin and VSS. Voltage multiplier pin for power supply backup (internally generated). A capacitor (1.0 mF) should be connected between this pin and VSS. Pins to connect a capacitor for voltage multiplier. A capacitor (1.0 mF) should be connected between CB1 and CB2. Low-speed clock oscillation pins. A 32.768 kHz crystal should be connected between XT0 and XT1, and CG (5 to 25 pF) should be connected between XT0 and VSS. High-speed clock oscillation pins. A ceramic resonator and capacitors (CL0, CL1) or external oscillation resistor (ROS) should be connected to these pins. Input pins for testing. A pull-down resistor is internally connected to these pins. The user cannot use these pins. Reset input pin. Setting this pin to "H" level puts this device into a reset state. Then, setting this pin to "L" level starts executing an instruction from address 0000H. A pull-down resistor is internally connected to this pin. Melody output pin (non-inverted output) Melody output pin (inverted output) |
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