参数资料
型号: PCF8566T/1,112
厂商: NXP Semiconductors
文件页数: 6/48页
文件大小: 0K
描述: IC LCD DVR UNVRSL LOW-MUX 40VSOP
产品培训模块: LCD Driver
I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 31
显示器类型: LCD
配置: 7 段 + DP,14 段(24 段)
接口: I²C
电流 - 电源: 30µA
电源电压: 2.5 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-BSOP(0.295",7.50mm 宽)
供应商设备封装: 40-VSOP
包装: 管件
产品目录页面: 844 (CN2011-ZH PDF)
其它名称: 568-5030
935278688112
PCF8566T/1,112-ND
PCF8566TD
PCF8566TD-ND
NXP Semiconductors
Table 3.
Pin description …continued
PCF8566
Universal LCD driver for low multiplex rates
Symbol
BP0
BP2
BP1
BP3
S0 to S23
Pin
13
14
15
16
17 to 40
Description
LCD backplane outputs
LCD segment outputs
[1]
The substrate (rear side of the die) is wired to V DD but should not be electrically connected.
7. Functional description
The PCF8566 is a versatile peripheral device designed to interface any
microprocessor or microcontroller to a wide variety of LCDs. It can directly drive any static
or multiplexed LCD containing up to 4 backplanes and up to 24 segments.
The display con?gurations possible with the PCF8566 depend on the number of active
backplane outputs required. Display con?guration selection is shown in Table 4 . All of the
display con?gurations given in Table 4 can be implemented in the typical system shown in
The host microprocessor or microcontroller maintains the 2-line I 2 C-bus communication
channel with the PCF8566.
Biasing voltages for the multiplexed LCD waveforms are generated internally, removing
the need for an external bias generator. The internal oscillator is selected by connecting
pin OSC to V SS . The only other connections required to complete the system are the
power supplies (pins V DD , V SS and V LCD ) and the LCD panel selected for the application.
Table 4.
Display con?gurations
Backplanes Elements
7-segment numeric
14-segment numeric
Dot matrix
Digits
Indicator
symbols
Characters
Indicator
symbols
4
3
2
1
96
72
48
24
12
9
6
3
12
9
6
3
6
4
3
1
12
16
6
10
96 (4 × 24)
72 (3 × 24)
48 (2 × 24)
24
PCF8566_7
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 — 25 February 2009
6 of 48
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