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PCF8535 数据表(PDF) 8 Page - NXP Semiconductors

部件名 PCF8535
功能描述  65 x 133 pixel matrix driver
PDF  52 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCF8535 数据表(HTML) 8 Page - NXP Semiconductors

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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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