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| 型号： | PCA8576CH/Q900/1,1 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 26/54页 |
| 文件大小： | 0K |
| 描述： | IC LCD DRIVER 40SEG I2C 64LQFP |
| 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： | 120µA |
| 电源电压： | 2 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 标准包装 |
| 其它名称： | 568-5122-6 |
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NXP Semiconductors
PCA8576C
Automotive LCD driver for low multiplex rates
The I 2 C-bus protocol is shown in Figure 18 . The sequence is initiated with a START
condition (S) from the I 2 C-bus master which is followed by one of the two PCA8576C
slave addresses available. All PCA8576Cs with the corresponding SA0 level
acknowledge in parallel with the slave address but all PCA8576Cs with the alternative
SA0 level ignore the whole I 2 C-bus transfer.
After acknowledgement, one or more command bytes follow which define the status of the
addressed PCA8576Cs.
The last command byte is tagged with a cleared most significant bit, the continuation bit C.
The command bytes are also acknowledged by all addressed PCA8576Cs on the bus.
After the last command byte, a series of display data bytes may follow. These display
bytes are stored in the display RAM at the address specified by the data pointer and the
subaddress counter. Both data pointer and subaddress counter are automatically updated
and the data is directed to the intended PCA8576C device. The acknowledgement after
each byte is made only by the (A0, A1, and A2) addressed PCA8576C. After the last
display byte, the I 2 C-bus master issues a STOP condition (P).
Fig 18. I 2 C-bus protocol
7.18 Command decoder
The command decoder identifies command bytes that arrive on the I 2 C-bus. All available
commands carry a continuation bit C in their most significant bit position as shown in
will also represent a command. If this bit is set logic 0, it indicates that the command byte
is the last in the transfer. Further bytes will be regarded as display data.
(1) C = 0; last command
(2) C = 1; commands continue
Fig 19. General format of the command byte
PCA8576C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 16 December 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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|---|---|
| PCA8576D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Automotive 40 x 4 LCD segment driver for low multiplex rates up to 1:4 |
| PCA8576DU | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Automotive 40 x 4 LCD segment driver for low multiplex rates up to 1:4 |
| PCA8576DU/2DA/Q2,0 | 功能描述:IC LCD DRIVER AUTO 40X4 UNCASED RoHS:是 类别:未定义的类别 >> 其它 系列:* 标准包装:1 系列:* 其它名称:MS305720A |
| PCA8576Q2 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Automotive 40 x 4 LCD segment driver for low multiplex rates up to 1:4 |
| PCA8581 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:128 x 8-bit EEPROM with I2C-bus interface |
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