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| 型号： | PCA85176H/Q900/1,5 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 10/59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 |
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NXP Semiconductors
PCA85176
Automotive LCD driver for low multiplex rates
7.1.5 Command: blink-select
The blink-select command allows configuring the blink mode and the blink frequency.
Table 11. Blink-select command bit description
See Section 7.1.5.1 .
Bit
7
6 to 3
2
1 to 0
Symbol
C
-
AB
BF[1:0]
Value
0, 1
1110
0 [1]
1
00 [1]
01
10
11
Description
see Table 6
fixed value
blink mode selection
normal blinking [2]
alternate RAM bank blinking [3]
blink frequency selection
off
1
2
3
[1]
[2]
[3]
Default value.
Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
7.1.5.1
Blinking
The display blinking capabilities of the PCA85176 are very versatile. The whole display
can blink at frequencies selected by the blink-select command (see Table 11 ). The blink
frequencies are derived from the clock frequency. The ratio between the clock and blink
frequencies depends on the blink mode selected (see Table 12 ).
An additional feature is for an arbitrary selection of LCD elements to blink. This applies to
the static and 1:2 multiplex drive modes and can be implemented without any
communication overheads. By means of the output bank selector, the displayed RAM
banks are exchanged with alternate RAM banks at the blink frequency. This mode can
also be specified by the blink-select command.
In the 1:3 and 1:4 multiplex modes, where no alternative RAM bank is available, groups of
LCD elements can blink by selectively changing the display RAM data at fixed time
intervals.
The entire display can blink at a frequency other than the nominal blink frequency. This
can be effectively performed by resetting and setting the display enable bit E at the
required rate using the mode-set command (see Table 7 ).
Table 12.
Blink frequencies
f blink = ----------
f clk
f blink = -------------
f clk
f blink = -------------
Blink mode
off
1
2
3
Blink frequency [1]
-
f clk
768
1536
3072
[1]
The blink frequency is proportional to the clock frequency (f clk ). For the range of the clock frequency see
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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相关代理商/技术参数 |
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| PCA85176T/Q900/1,1 | 功能描述:LCD 驱动器 40 SGMT 4800Hz RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| PCA85176T/Q900/1,118 | 制造商:NXP Semiconductors 功能描述:Cut Tape |
| PCA85176T-Q900 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
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| PCA8521BP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Infrared remote control transmitter RC5 |
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