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ST7066U датащи(PDF) 8 Page - Sitronix Technology Co., Ltd. |
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ST7066U датащи(HTML) 8 Page - Sitronix Technology Co., Ltd. |
8 / 42 page ST7066U V2.2 8/42 2006/05/11 n Pin Function Name Number I/O Interfaced with Function RS 1 I MPU Select registers. 0: Instruction register (for write) Busy flag: address counter (for read) 1: Data register (for write and read) R/W 1 I MPU Select read or write. 0: Write 1: Read E 1 I MPU Starts data read/write. DB4 to DB7 4 I/O MPU Four high order bi-directional tristate data bus pins. Used for data transfer and receive between the MPU and the ST7066U. DB7 can be used as a busy flag. DB0 to DB3 4 I/O MPU Four low order bi-directional tristate data bus pins. Used for data transfer and receive between the MPU and the ST7066U. These pins are not used during 4-bit operation. CL1 1 O Extension driver Clock to latch serial data D sent to the extension driver CL2 1 O Extension driver Clock to shift serial data D M 1 O Extension driver Switch signal for converting the liquid crystal drive waveform to AC D 1 O Extension driver Character pattern data corresponding to each segment signal COM1 to COM16 16 O LCD Common signals that are not used are changed to non-selection waveform. COM9 to COM16 are non-selection waveforms at 1/8 duty factor and COM12 to COM16 are non-selection waveforms at 1/11 duty factor. SEG1 to SEG40 40 O LCD Segment signals V1 to V5 5 - Power supply Power supply for LCD drive VCC - V5 = 10 V (Max) VCC , GND 2 - Power supply VCC : 2.7V to 5.5V, GND: 0V OSC1, OSC2 2 Oscillation resistor clock When crystal oscillation is performed, a resistor must be connected externally. When the pin input is an external clock, it must be input to OSC1. Note: 1. Vcc>=V1>=V2>=V3>=V4>=V5 must be maintained 2. Two clock options: R OSC1 OSC2 OSC2 Clock input R=91KΩ (Vcc=5V) R=75KΩ (Vcc=3V) OSC1 |
Аналогичный номер детали - ST7066U |
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Аналогичное описание - ST7066U |
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