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参数资料
型号： ST7FLCD1G9M1
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO28
封装： ROHS COMPLIANT, SO-28
文件页数： 57/96页
文件大小： 846K
代理商： ST7FLCD1G9M1
Display Data Channel Interfaces (DDC)
ST7FLCD1
60/95
11
Display Data Channel Interfaces (DDC)
11.1
Introduction
The DDC (Display Data Channel) bus interfaces are mainly used by the monitor to identify itself to
the video controller, by the monitor manufacturer to perform factory alignment, and by the user to
adjust the monitor’s parameters. Both DDC interfaces consist of:
● A fully hardware-implemented interface, supporting DDC2B (VESA specification 3.0
compliant). It accesses the ST7 on-chip memory directly through a built-in DMA engine.
● A second interface, supporting the slave IC functions for handling DDC/CI mode (DDC2Bi),
factory alignment, HDCP, Enhanced DDC (EDDC) or other addresses by software.
Each DDC interface has its own dedicated DMA area in RAM. In the event of concurrent DMA
accesses, the DDC A cell has priority over the DDC B cell.
11.2
DDC Interface Features
11.2.1 Hardware DDC2B Interface Features
● Full hardware support for DDC2B communications (VESA specification version 3)
● Hardware detection of DDC2B addresses A0h/A1h
● Separate mapping of EDID version 1: Base (128 bytes) and Extended (128 bytes)
● Support for error recovery mechanism
● Detection of misplaced Start and Stop conditions
● Random and Sequential IC byte read modes
● DMA transfer from any memory location and to RAM
● Automatic memory address increment
● End of data downloading flag, end of communication flag and interrupt capability
11.2.2 DDC/CI Factory Interface Features
General IC Features
● Parallel bus /IC protocol converter
● Interrupt generation
● Standard IC mode
● 7-bit Addressing
IC Slave Features
● IC bus busy flag
● Start bit detection flag
● Detection of misplaced Start or Stop condition
● Transfer problem detection
● Address Matched detection
● 2 Programmable Address detection and/or Hardware detection of DDC/CI addresses (6Eh/
6Fh)
● End of byte transmission flag
● Transmitter/Receiver flag
● Stop condition Detection
相关PDF资料
PDF描述
ST7FLIT19BF1U6TR 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC20
ST7FLITE09Y0M1 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
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ST7LNB0V2Y0M6 8-BIT, 8 MHz, MICROCONTROLLER, PDSO16
ST7LNB1Y0M6 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PDSO16
相关代理商/技术参数
参数描述
ST7FLI15BF1U6 功能描述:8位微控制器 -MCU 8-Bit MCU w/ Single Volt Flash RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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ST7FLI19BF1M3TR 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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ST7FLI19BY1M3TR 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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