参数资料
型号: AD9888KSZ-170
厂商: Analog Devices Inc
文件页数: 26/36页
文件大小: 0K
描述: IC ANALOG INTRFC 170MSPS 128MQFP
标准包装: 1
应用: 图形卡,VGA 接口
接口: 2 线串口
电源电压: 3 V ~ 3.6 V
封装/外壳: 128-BFQFP
供应商设备封装: 128-MQFP(14x20)
包装: 托盘
安装类型: 表面贴装
AD9888
Data Sheet
Rev. C | Page 32 of 36
7.
Data byte to (base address + 3)
8.
Stop signal
Read from One Control Register
1.
Start signal
2.
Slave address byte (R/W bit = low)
3.
Base address byte
4.
Start signal
5.
Slave address byte (R/W bit = high)
6.
Data byte from base address
7.
Stop signal
Read from Four Consecutive Control Registers
1.
Start signal
2.
Slave address byte (R/W bit = low)
3.
Base address byte
4.
Start signal
5.
Slave address byte (R/W bit = high)
6.
Data byte from base address
7.
Data byte from (base address + 1)
8.
Data byte from (base address + 2)
9.
Data byte from (base address + 3)
10. Stop signal
SYNC PROCESSING
Figure 27 shows the sync processing block diagram, and Table 47
provides information related to serial register controls.
Table 47. Control of the Sync Block Muxes via the
Serial Register
Mux
Number(s)
Serial Bus
Control Bit
State
Result
1 and 2
0x0E, Bit 3
0
Pass HSYNC signal
1
Pass sync-on-green
signal
3
0x0F, Bit 5
0
Pass coast signal
1
Pass VSYNC signal
4
0x0E, Bit 0
0
Pass VSYNC signal
1
Pass sync separator
signal
5
0x15, Bit 3
0
Pass Channel 0
inputs
1
Pass Channel 1
inputs
SYNC SLICER
NEGATIVE PEAK
CLAMP
COMP
SYNC
SOGIN0
HSYNC0
PIXEL CLOCK
MUX 1
SYNC SEPARATOR
INTEGRATOR
VSYNC
SOGOUT
HSOUT
VSOUT
MUX 4
1/S
PLL
HSYNC
ACTIVITY
DETECT
AD9888
CLOCK
GENERATOR
COAST
HSYNC1
SOGIN1
ACTIVITY
DETECT
ACTIVITY
DETECT
POLARITY
DETECT
POLARITY
DETECT
POLARITY
DETECT
MUX 2
MUX 3
MUX 5
VSYNC0
VSYNC1
MUX 5
0
24
42-
027
Figure 27. Sync Processing Block Diagram
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