参数资料
型号: PCA85176H/Q900/1,5
厂商: NXP Semiconductors
文件页数: 41/59页
文件大小: 0K
描述: IC LCD DRIVER 40SEG 64TQFP
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: 80µA
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 95°C
安装类型: 表面贴装
封装/外壳: 64-TQFP
供应商设备封装: 64-TQFP(10x10)
包装: 标准包装
其它名称: 568-5108-6
NXP Semiconductors
PCA85176
Automotive LCD driver for low multiplex rates
In a cascaded configuration only one PCA85176 master must be used as clock source. All
other PCA85176 in the cascade must be configured as slave such that they receive the
clock from the master.
If an external clock source is used, all PCA85176 in the cascade must be configured such
as to receive the clock from that external source (pin OSC connected to V DD ). Thereby it
must be ensured that the clock tree is designed such that on all PCA85176 the clock
propagation delay from the clock source to all PCA85176 in the cascade is as equal as
possible since otherwise synchronization artefacts may occur.
In mixed cascading configurations, care has to be taken that the specifications of the
individual cascaded devices are met at all times.
BP0
T fr =
1
f fr
SYNC
BP0
(1/2 bias)
BP0
(1/3 bias)
SYNC
BP0
(1/3 bias)
SYNC
BP0
(1/3 bias)
SYNC
(a) static drive mode.
(b) 1:2 multiplex drive mode.
(c) 1:3 multiplex drive mode.
(d) 1:4 multiplex drive mode.
mgl755
Fig 28. Synchronization of the cascade for the various PCA85176 drive modes
PCA85176
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 11 July 2013
? NXP B.V. 2013. All rights reserved.
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