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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCF8535 датащи(PDF) 8 Page - NXP Semiconductors |
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PCF8535 датащи(HTML) 8 Page - NXP Semiconductors |
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8 / 52 page  1999 Aug 24 8 Philips Semiconductors Objective specification 65 × 133 pixel matrix driver PCF8535 7 FUNCTIONAL DESCRIPTION The PCF8535 is a low power LCD driver designed to interface with microprocessors/microcontrollers and a wide variety of LCDs. The host microprocessor/microcontroller and the PCF8535 are both connected to the I2C-bus. The SDA and SCL lines must be connected to the positive power supply via pull-up resistors. The internal oscillator requires no external components. The appropriate intermediate biasing voltage for the multiplexed LCD waveforms are generated on-chip. The only other connections required to complete the system are to the power supplies (VDD,VSS and VLCD) and suitable capacitors for decoupling VLCD and VDD. handbook, full pagewidth MGS670 HOST MICROPROCESSOR/ MICROCONTROLLER LCD PANEL VSS VDD(I2C) VLCD VDD1 to VDD3 VSS1, VSS2 SDA SCL SA1 SA0 PCF8535 Rpu Rpu RES 133 column drivers 65 row drivers Fig.2 Typical system configuration. |
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