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| 型号： | PCF8566P,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 7/48页 |
| 文件大小： | 0K |
| 描述： | IC LCD DVR UNVRSL LOW-MUX 40-DIP |
| 产品培训模块： | LCD Driver I²C Bus Fundamentals |
| 标准包装： | 9 |
| 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： | 通孔 |
| 封装/外壳： | 40-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 40-DIP |
| 包装： | 管件 |
| 产品目录页面： | 844 (CN2011-ZH PDF) |
| 其它名称： | 568-1069-5 933865310112 PCF8566PN |
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NXP Semiconductors
V DD
PCF8566
Universal LCD driver for low multiplex rates
R ≤
t rise
2 C bus
V DD
V LCD
HOST
MICRO-
PROCESSOR/
MICRO-
CONTROLLER
SDA
SCL
OSC
1
2
6
5
12
PCF8566
17 to 40
13 to 16
24 segment drives
4 backplanes
LCD PANEL
(up to 96
elements)
7
8
9
10
11
A0
A1
A2
SA0 V SS
mgg385
V SS
Fig 4. Typical system con?guration
7.1 Power-on reset
At power-on the PCF8566 resets to the following starting conditions:
?
?
?
?
?
?
?
All backplane outputs are set to V DD
All segment outputs are set to V DD
Drive mode 1:4 multiplex with 1 ? 3 bias is selected
Blinking is switched off
Input and output bank selectors are reset (as de?ned in Table 8 )
The I 2 C-bus interface is initialized
The data pointer and the subaddress counter are cleared
Do not transfer data on the I 2 C-bus after a power-on for at least 1 ms to allow the reset
action to complete.
7.2 LCD bias generator
The full-scale LCD voltage (V oper ) is obtained from V DD ? V LCD . The LCD voltage may be
temperature compensated externally through the V LCD supply to pin 12.
Fractional LCD biasing voltages are obtained from an internal voltage divider comprising
three series resistors connected between V DD and V LCD . The center resistor can be
switched out of the circuit to provide a 1 ? 2 bias voltage level for the 1:2 multiplex
con?guration.
7.3 LCD voltage selector
The LCD voltage selector coordinates the multiplexing of the LCD in accordance with the
selected LCD drive con?guration. The operation of the voltage selector is controlled by
mode-set commands from the command decoder. The biasing con?gurations that apply to
the preferred modes of operation, together with the biasing characteristics as functions of
PCF8566_7
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 — 25 February 2009
7 of 48
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF8566PN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LCD Display Driver |
| PCF8566T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| PCF8566T/1 | 制造商:NXP Semiconductors 功能描述:LCD DRIVER LOW-MUX 40VSOP 制造商:NXP Semiconductors 功能描述:LCD DRIVER, LOW-MUX, 40VSOP 制造商:NXP Semiconductors 功能描述:LCD DRIVER, LOW-MUX, 40VSOP; No. of Digits / Alpha:6; No. of Segments:14; Driver Case Style:VSO; No. of Pins:40; Supply Voltage Min:2.5V; Supply Voltage Max:6V; Interface Type:I2C; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes |
| PCF8566T/1,112 | 功能描述:LCD 驱动器 96 SGMT LCD SGMT DRV 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 |
| PCF8566T/1,118 | 功能描述:LCD 驱动器 LCD DVR UNVRSL LOW-MUX 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 |
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