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參數(shù)資料
| 型號(hào)： | TDA7546 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multichip module for TMC tuner applications |
| 中文描述： | 豐田汽車多芯片模塊調(diào)諧器應(yīng)用 |
| 文件頁(yè)數(shù)： | 35/68頁(yè) |
| 文件大?。?/td> | 823K |
| 代理商： | TDA7546 |
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TDA7546
Functional description
35/68
An address reset of the RAM buffer can be performed by writing a 1 to “ar_res” bit in rds_int
register, it also forces a resynchronization.
Figure 10
describes the different states of the buffer with corresponding flags values:
1.
This is the reset state, read (Rp) and write pointer (Wp) pointing at the same location 0.
The buffer is empty.
2.
After the first buffer write operation, Wp points to the last written data (0, it is not
incremented) and the flag “bne” (buffer not empty) is set.
3.
After next buffer write operation, Wp points to the last written data (3, incremented
address).
4.
After buffer read operation, Rp points to incremented address (data to be read on the
next read cycle), following the Wp. As soon as Rp reaches the Wp (of value 3), it is not
incremented to 4 and flag “bne” is reset. Rp never goes ahead the Wp.
5.
If the buffer is full (i.e. 24 blocks have been written before any read), flag “bfull” is set. If
no read operation is performed, on next write operation “bovf” (buffer overflow) is set,
and each subsequent write operation will overwrite the oldest data of the RAM buffer.
Rp is moved in front of the Wp.
6.
If the whole content of the buffer has already been read, subsequent read operation will
always read the last written location - Rp never goes ahead the Wp.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7546TR | Multichip module for TMC tuner applications |
| TDA7550 | DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS |
| TDA7550R | DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS |
| TDA7551 | DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS |
| TDA7552 | DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7546TR | 制造商:STMicroelectronics 功能描述: |
| TDA7548 | 功能描述:音頻放大器 4 x 50W Multi Quad Power Amplifer D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7550 | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Digital Signal Proc RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TDA7550R | 制造商:STMicroelectronics 功能描述: |
| TDA7551 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS |
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