参数资料
型号: PCA8576CH/Q900/1,1
厂商: NXP Semiconductors
文件页数: 17/54页
文件大小: 0K
描述: IC LCD DRIVER 40SEG I2C 64LQFP
产品培训模块: I²C Bus Fundamentals
标准包装: 1
显示器类型: LCD
配置: 40 段
接口: I²C
电流 - 电源: 120µA
电源电压: 2 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 标准包装
其它名称: 568-5122-6
NXP Semiconductors
PCA8576C
Automotive LCD driver for low multiplex rates
The lower clock frequency has the disadvantage of increasing the response time when
large amounts of display data are transmitted on the I 2 C-bus. When a device is unable to
process a display data byte before the next one arrives, it holds the SCL line LOW until
the first display data byte is stored. This slows down the transmission rate of the I 2 C-bus
but no data loss occurs.
7.7 Display register
The display register holds the display data while the corresponding multiplex signals are
generated.
7.8 Shift register
The shift register transfers display information from the display RAM to the display register
while previous data is displayed.
7.9 Segment outputs
The LCD drive section includes 40 segment outputs, S0 to S39, which must be connected
directly to the LCD. The segment output signals are generated based on the multiplexed
backplane signals and with data residing in the display register. When less than
40 segment outputs are required, the unused segment outputs should be left open-circuit.
PCA8576C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 16 December 2013
? NXP B.V. 2013. All rights reserved.
17 of 54
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