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| 型号： | MC44BS374T1EF |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 19/34页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO/VIDEO MODULATOR 16-SOIC |
| 标准包装： | 48 |
| 类型： | NTSC/PAL 调制器 |
| 应用： | 音频/视频，VCR，机顶盒 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 管件 |
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MC44BS374T1/374T1A Advance Information
High Speed I2C Compatible Bus
17.3 Level Definitions
SDA/SCL high and low levels are designed to be compatible with 0-5V and 0-3.3V SDA / SCL signals.
Figure 11. SDA/SCL Levels
17.4 High Speed I2C Compatible Bus Format
Figure 12. I2C Bus Timing
17.5 I2C Write Mode Format and Bus Receiver
It The bus receiver operates the I2C compatible data format. The chip address (I2C bus) is as follows.
In write mode, each ninth data bit (bits 9, 18, 27, 36, and 45) is an acknowledge bit (ACK) during which
the MCU sends a logic 1 and the Modulator circuit answers on the data line by pulling it low. Besides the
chip address, the circuit needs two or four data bytes for operation. The following sequences of data bytes
are the permitted incoming information:
Table 9. Chip Address (I2C Bus)
1 1 0 0 1 0 1 0 (ACK) = $CA (hex) in write mode
Table 10. Permitted Data Bytes (Incoming Information)
Example 1
STA
CA
C1
C0
STO
Example 2
STA
CA
FM
FL
STO
Example 3
STA
CA
C1
C0
FM
FL
STO
Example 4
STA
CA
FM
FL
C1
C0
STO
Note:
STA = Start condition
CA = Chip Address
SDA
...
0V
Vcc
Vih
Vil
dead band
1
2
3
4
5
6
7
8
9 10
14
11 12 13
45
44
15
19
16 17 18
STA
Chip Address ($CA)
ACK
First Data Byte (C1 or FM)
Data
ACK
Stop
SCL
SDA
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相关代理商/技术参数 |
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|---|---|
| MC44BS374T1EFR2 | 功能描述:IC AUDIO/VIDEO MODULATOR 16-SOIC RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装 |
| MC44C401 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MTS Stereo Encoder |
| MC44C401EVK | 功能描述:音频 IC 开发工具 EVAL KIT STEREO ENCODER RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
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| MC44C401FAR2 | 制造商:Freescale Semiconductor 功能描述:STEREO ENCODER T&R - Tape and Reel |
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