参数资料
型号: PCF8576T,118
厂商: NXP Semiconductors
文件页数: 17/44页
文件大小: 0K
描述: IC LCD DVR UNVRSL LOW-MUX 56VSO
标准包装: 500
显示器类型: LCD
配置: 8 段,15 段,160 元件
接口: I²C,2 线串口
数字或字符: 10 字符,20 字符,160 元件
电流 - 电源: 180µA
电源电压: 2 V ~ 9 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-BSOP(0.435",11.50mm 宽)
供应商设备封装: 56-VSOP
包装: 带卷 (TR)
其它名称: 933740730118
PCF8576TD-T
PCF8576TD-T-ND
Philips Semiconductors
Universal LCD driver for low multiplex rates
Product speci?cation
PCF8576
6.16
Blinker
bank selector, the displayed RAM banks are exchanged
The display blinking capabilities of the PCF8576 are very
versatile. The whole display can be blinked at frequencies
selected by the BLINK command. The blinking frequencies
are integer multiples of the clock frequency; the ratios
between the clock and blinking frequencies depend on the
mode in which the device is operating, as shown in
Table 3.
An additional feature is for an arbitrary selection of LCD
segments to be blinked. This applies to the static and
1 : 2 LCD drive modes and can be implemented without
any communication overheads. By means of the output
with alternate RAM banks at the blinking frequency. This
mode can also be specified by the BLINK command.
In the 1 : 3 and 1 : 4 multiplex modes, where no alternate
RAM bank is available, groups of LCD segments can be
blinked by selectively changing the display RAM data at
fixed time intervals.
If the entire display is to be blinked at a frequency other
than the nominal blinking frequency, this can be effectively
performed by resetting and setting the display enable bit E
at the required rate using the MODE SET command.
Table 3
Blinking frequencies
BLINKING MODE
Off
2 Hz
1 Hz
0.5 Hz
2001 Oct 02
NORMAL OPERATING
MODE RATIO
?
f clk
----------------
92160
f clk
--------------------
184320
f clk
--------------------
368640
17
POWER-SAVING MODE
RATIO
?
f clk
----------------
15360
f clk
----------------
30720
f clk
----------------
61440
NOMINAL BLINKING
FREQUENCY
blinking off
2 Hz
1 Hz
0.5 Hz
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