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參數(shù)資料
| 型號： | CXD3531R |
| 英文描述： | Digital Signal Driver/Timing Generator |
| 中文描述： | 數(shù)字信號驅(qū)動器/時序發(fā)生器 |
| 文件頁數(shù)： | 21/30頁 |
| 文件大?。?/td> | 360K |
| 代理商： | CXD3531R |
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CXD3531R
(3) External ROM I/F slave address setting
The external ROM I/F of this IC transfers data into and out of memory using the serial bus as host I/F. Since
operations conform to I
2
C bus protocol just as with the host I/F, this section only describes the slave address.
To access the external EEPROM, when access conditions are established, "Start" is sent, and then 7 bits
representing the slave address are output, and the R/W code is output. "Acknowledgment" is received to the
9th bit from the external EEPROM, and the IC enters either read or write mode. The slave address is
determined based on ROM_MAP of the serial bus ROM I/F control register and RSLV_ADDR of the serial bus
ROM slave address register as previously described.
The user should set the upper 4 bits of the device address of the EEPROM to be used in RSLV_ADDR and the
memory size in ROM_MAP. This allows memory to be used without awareness of memory boundaries of
actual memory used for the setting memory space.
A
S
RSDA
1st memory address
(n)
2nd memory address
(n)
Write data (n)
Slave address
R
A
A
A
A
S
W
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
Byte Write Operation
(4) Memory location and data size setting for the external EEPROM
Since this IC performs refresh and write-back operations, it is necessary to set which addresses of the
external EEPROM gamma data and color shading data have been located in.
The registers used to make these settings are the serial bus ROM gamma data start address register and the
I
2
C ROM color shading data start address register. By specifying the starting position of the data area in these
registers data access from the specified addresses is possible during refresh and write-back operation.
Units of 1K-byte can be used to set the start addresses which can be set in these registers.
In addition, the size of data transferred during refresh and write-back operations is fixed at 2K bytes for each
color in the case of gamma data. The number of bytes transferred in the case of color shading data is the
value stored in the color shading data size register plus one.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| CXD3536R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Signal Driver/Timing Generator |
| CXD3605R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Frame Readout CCD Image Sensor |
| CXD3606R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Frame Readout CCD Image Sensor |
| CXD3607R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Progressive Scan CCD Image Sensor |
| CXD3609R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Timing Generator for Progressive Scan CCD Image Sensor |
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