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參數(shù)資料
| 型號： | SDA5642-6X |
| 廠商： | SIEMENS A G |
| 元件分類： | 圖文 |
| 英文描述： | VPS-Decoder |
| 中文描述： | TELETEXT AND VPS/PDC DECODER, PDSO20 |
| 文件頁數(shù)： | 10/27頁 |
| 文件大?。?/td> | 684K |
| 代理商： | SDA5642-6X |
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SDA 5642-6/X
Semiconductor Group
10
02.97
2.2.3
For writing to the VPS decoder, the following format has to be used:
Write Mode
Description of Data Transfer (Write Mode)
Step1:
In order to start a data transfer the master generates a Start Condition on the
bus by pulling the SDA line low while the SCL line is held high.
Step 2:
The bus master puts the chip address on the SDA line during the next eight
SCL pulses.
Step 3:
The master releases the SDA line during the ninth clock pulse. Thus the slave
can generate an acknowledge (AS) by pulling the SDA line to a low level.
Step 4:
The controller transmits the data byte to set the Control register
Step 5:
The slave acknowledges the reception of the byte.
Step 6:
The master concludes the data communication by generating a Stop
Condition.
The write mode is used to set the
I
2
C-Bus control register which determines the
operating mode:
Control Register:
Default: All bits are set to 0 on power-up.
The bits T4 through T7
are used for test purposes and must not be changed for normal
operation by user software! (0 = normal operation)
You may write 00H, 01H, 02H, 03H, 04H, 05H, 06H, 07H, 08H, 09H, 0AH, 0BH, 0CH,
0DH, 0EH, 0FH to the register without efect. This enables the SDA 5642-6 to be used
for VPS decoding instead of the SDA 5050 or SDA 5649 without software problems.
Start
Chipaddress and Write Mode
AS
Byte to set Control Register
AS Stop
Bit Number: 7
6
T6
5
T5
4
T4
3
T3
2
T2
1
T1
0
T0
T7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| sda 5642-6x | VPS-Decoder(VPS解碼器) |
| sda5642-6 | VPS-Decoder(VPS解碼器) |
| SDA5648 | Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA5648X | Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA 5648X | VPS-Decoder(VPS解碼器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SDA5648 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA5648X | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA5649 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Expanded Decoder for Program Delivery Control and Video Program System EPDC / VPS Decoder |
| SDA5649X | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Expanded Decoder for Program Delivery Control and Video Program System EPDC / VPS Decoder |
| SDA5650 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:VPS / PDC-plus Decoder |
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