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參數(shù)資料
| 型號： | STV9432 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 100MHz OSD FOR MONITOR |
| 中文描述： | 100MHz的OSD用于顯示器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 186K |
| 代理商： | STV9432 |
STV9432
6/18
6 - SERIAL INTERFACE
The 2-wires serial interface is an I
2
C interface. To be
connected to the I
2
C bus, a device must own its slave
address; the slave address of the STV9432 is BA (in
hexadecimal).
6.1 - DATA TRANSFER IN WRITE MODE
The host MCU can write data into the STV9432 regis-
ters or RAM.
To write data into the STVA9432TA after a start, the
MCU must send (
Figure 2
):
- First, the I
2
C address slave byte with a low level for
the R/W bit,
- The two bytes of the internal address where the
MCU wants to write data(s),
- The successive bytes of data(s).
All bytes are sent MSB bit first and the write data
transfer is ended with a stop.
6.2 - DATA TRANSFER IN READ MODE
The host MCU can read data from the STV9432 reg-
isters, RAM or ROM.
To read data from the STV9432 (
Figure 3
), the MCU
must send 2 different I
2
C sequences. The first one
includes the I
2
C slave address byte with R/W bit at
low level and the 2 internal address bytes.
The second one includes the I
2
C slave address byte
with R/W bit at high level and all the successive data
bytes read at successive addresses starting from the
initial address given by the first sequence.
Figure 2. I
2
C Write Operation
Figure 3. I
2
C Read Operation
A6
1
A5
0
A4
1
A3
1
A2
1
A1
0
A0
1
RW
SCL
SDA
R/W
A7
A6
A5
A4
A3
A2
A1
A0
-
-
A13
A12
A11
A10
A9
A8
I
2
C Slave Address
ACK
LSB Address
ACK
MSB Address
ACK
Start
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
ACK
ACK
Data Byte 1
Data Byte 2
ACK
Data Byte n
Stop
SCL
SDA
SCL
SDA
R/W
A7
A6
A5
A4
A3
A2
A1
A0
I
2
C Slave Address
ACK
LSB Address
ACK
MSB Address
ACK
Start
-
-
A13 A12
A10
A10
A9
A8
Stop
SCL
SDA
R/W
D7
D6
D5
D4
D3
D2
D1
D0
I
2
C Slave Address
ACK
ACK
Data Byte n
ACK
Start
D7
D6
D5
D4
D3
D2
D1
D0
Stop
Data Byte 1
*
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STV9432TA | 100MHz OSD FOR MONITOR INCLUDING BEAM CURRENTS & VIDEO TIMING ANALYZER |
| STV9432TAP | 100MHz OSD FOR MONITOR INCLUDING BEAM CURRENTS, VIDEO TIMING ANALYZER AND PWMs |
| STV9555 | 9.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9556 | 7.5 NS TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9937 | 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV9432TA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:100MHz OSD FOR MONITOR INCLUDING BEAM CURRENTS & VIDEO TIMING ANALYZER |
| STV9432TAP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:100MHz OSD FOR MONITOR INCLUDING BEAM CURRENTS, VIDEO TIMING ANALYZER AND PWMs |
| STV9553 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9555 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:9.5 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9556 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:7.5 NS TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
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