Datasheet > PCA8539DUG

PCA8539DUG

更新时间： 2024-09-17 15:19:19

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
95页	658K
描述
100 x 18 Chip-On-Glass automotive LCD dot matrix driver

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PCA8539DUG 数据手册

PCA8539

100 x 18 Chip-On-Glass automotive LCD dot matrix driver

Rev. 2 — 12 September 2014

Product data sheet

1. General description

The PCA8539 is a fully featured Liquid Crystal Display (LCD)¹driver, specifically designed

for high-contrast Vertical Alignment (VA) LCD with multiplex rates up to 1:18. It generates

the drive signals for multiplexed LCD containing up to 18 backplanes, 100 segments, and

up to 1800 elements/segments. The PCA8539 features an internal charge pump with

internal capacitors for on-chip generation of the LCD driving voltage. To ensure an optimal

and stable contrast over the full temperature range, the PCA8539 offers a programmable

temperature compensation of the LCD supply voltage. The PCA8539 can be easily

connected to a microcontroller by either the two-line I²C-bus or a four-line bidirectional

SPI-bus.

For a selection of NXP LCD graphic drivers, see Table 50 on page 86.

2. Features and benefits

 AEC Q100 grade 2 compliant for automotive applications

 Single-chip LCD controller and driver

 Extended operating temperature range from 40 C to +105 C

 100 segments and 18 backplanes allowing to drive any graphic with up to 1800

elements

 On-chip:

 Configurable 4, 3, or 2 times voltage multiplier generating LCD supply voltage,

independent of V_DD, programmable by instruction (external supply also possible)

 Integrated temperature sensor with temperature readout

 Temperature compensation of on-chip generated VLCDOUT. Selectable linear

temperature compensation of V_LCD

 Generation of intermediate LCD bias voltages

 Oscillator requires no external components (external clock also possible)

 Readout of RAM and registers possible

 Diagnostic features:

 Checksum on I²C and SPI bus

 Frame frequency: programmable from 45 Hz to 360 Hz

 2960-bit RAM for storage (1800 bit for display data)

 Two-line I²C-bus interface or four-line SPI bus

 Multiplex drive mode 1:18 and 1:12

 Inversion modes

 n-line (n = 1 to 7) inversion

1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.

12 3 4 5 6 7...95

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