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参数资料
| 型号： | PCF8534AU/DA/1,026 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 37/52页 |
| 文件大小： | 0K |
| 描述： | IC LCD DISPLAY DVR 60SEG |
| 标准包装： | 720 |
| 显示器类型： | LCD |
| 配置： | 60 段 |
| 接口： | I²C |
| 电流 - 电源： | 8µA |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 模具 |
| 供应商设备封装： | 模具 |
| 包装： | 托盘 - 晶粒 |
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NXP Semiconductors
PCF8534A
Universal LCD driver for low multiplex rates
SDA
SCL
V DD
V LCD
60 segment drives
SYNC
PCF8534A
CLK
OSC
(2)
BP0 to BP3
(open-circuit)
A0
A1
A2
SA0 V SS
LCD PANEL
V LCD
V DD
HOST
R ≤
t r
2C b
SDA
VDD
VLCD
60 segment drives
MICRO-
SCL
PROCESSOR/
MICRO-
CONTROLLER
SYNC
CLK
OSC
PCF8534A
(1)
4 backplanes
BP0 to BP3
V SS
A0
A1
A2
SA0 V SS
013aaa513
(1) Is master (OSC connected to V SS ).
(2) Is slave (OSC connected to V DD ).
Fig 23. Cascaded PCF8534A configuration
The SYNC line is provided to maintain the correct synchronization between all cascaded
PCF8534A. Synchronization is guaranteed after a power-on reset. The only time that
SYNC is likely to be needed is if synchronization is accidentally lost (for example, by noise
in adverse electrical environments or by defining a multiplex drive mode when PCF8534A
with different SA0 levels are cascaded).
SYNC is organized as an input/output pin. The output selection is realized as an
open-drain driver with an internal pull-up resistor. A PCF8534A asserts the SYNC line at
the onset of its last active backplane signal and monitors the SYNC line at all other times.
If synchronization in the cascade is lost, it is restored by the first PCF8534A to assert
SYNC. The timing relationship between the backplane waveforms and the SYNC signal
The contact resistance between the SYNC on each cascaded device must be controlled.
If the resistance is too high, the device is not able to synchronize properly; this is
applicable to chip-on-glass applications. The maximum SYNC contact resistance allowed
PCF8534A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 25 July 2011
? NXP B.V. 2011. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF8534H | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| PCF8535 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:65 x 133 pixel matrix driver |
| PCF8535U | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:65 x 133 pixel matrix driver |
| PCF8536 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:I2C/SPI LCD and PWM LED controller for industrial and automotive applications |
| PCF85363ATL/AX | 功能描述:Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 10-XFDFN Exposed Pad 制造商:nxp semiconductors 系列:- 包装:剪切带（CT） 零件状态:有效 类型:时钟/日历 特性:警报器，闰年，监视计时器 存储容量:- 时间格式:HH：MM：SS：hh（12/24 小时） 日期格式:YY-MM-DD-dd 接口:I2C，2 线串口 电压 - 电源:0.9 V ~ 5.5 V 电压 - 电源，电池:0.9 V ~ 5.5 V 电流 - 计时（最大）:0.885μA @ 3.3V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-XFDFN 裸露焊盘 供应商器件封装:10-DFN（2.6x2.6） 标准包装:1 |
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