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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 |
| 文件頁數(shù)： | 58/68頁 |
| 文件大小： | 823K |
| 代理商： | TDA7546 |
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Software specifications
TDA7546
58/68
If “bne” bit is set, the transfer must be continued by the I
2
C master, until at least the four
register rds_qu, rds_corrp, rds_bd_h and rds_bd_l are read out, then the I
2
C master is
allowed to set the stop condition (
Figure 16
). Then the whole Buffer must be read out,
by reading each time at least the five registers rds_int, rds_qu, rds_corrp, rds_bd_h
and rds_bd_l without interruption. This must be done until the “bne” bit is set to zero
(last RDS block).
If the I
2
C master is not able to handle the above protocol, it must read always at least
the first five registers rds_int, rds_qu, rds_corrp, rds_bd_h, rds_bd_l out independent if
“bne” is set or not (
Figure 16
). If the “bne” flag is set the whole RAM buffer must be
read out, by reading each time at least the five registers rds_int, rds_qu, rds_corrp,
rds_bd_h and rds_bd_l without interruption. This must be done until the “bne” bit is set
to zero (last RDS block).
2.
Note:
In polling mode the interrupt flag “int” is just a indication that the wanted information is stored
within the RAM Buffer.
Note:
In polling mode it is possible that the last RDS data (rds_qu, rds_corrp, rds_bd_h and
rds_bd_l), which was read out as the “bne” flag was set to zero, is identical to the RDS data
before. This must be checked by the external micro controller by comparing the last received
2 RDS blocks. If they are identical, one of them can be skipped. (This is the case if just one
RDS block is stored in the RAM buffer).
Figure 16.
I
2
C read access example 1: read of 5 bytes
Figure 17.
I
2
C read access example 2: read of 1 byte
S
SDA
SCL
START
CONDITION
R
ACK
rds_int[7:0]
rds_qu[7:0]
ACK
ACK
SA
CSN
1
0
SLAVE ADDRESS
rds_corrp[7:0]
rds_bd_h[7:0]
rds_bd_l[7:0]
P
STOP
CONDITION
ACK
ACK
ACK
S
SDA
SCL
START
CONDITION
R
ACK
rds_int[7:0]
SA
CSN
1
0
SLAVE ADDRESS
P
STOP
CONDITION
ACK
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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