参数资料
型号: AD9985A/PCBZ
厂商: Analog Devices Inc
文件页数: 27/32页
文件大小: 0K
描述: KIT EVALUATION FOR AD9985A
标准包装: 1
系列: Advantiv®
主要目的: 视频,视频处理
已用 IC / 零件: AD9985A
已供物品:
AD9985A
Serial Interface Read/Write Examples
Read from one control register:
Write to one control register:
1.
Start signal
1.
2.
3.
4.
5.
Start signal
Slave address byte (R/W Bit = low)
Base address byte
Data byte to base address
Stop signal
2.
3.
4.
5.
6.
7.
Slave address byte (R/W bit = low)
Base address byte
Start signal
Slave address byte (R/W bit = high)
Data byte from base address
Stop signal
Write to four consecutive control registers:
1.
Start signal
Read from four consecutive control registers:
2.
3.
4.
5.
6.
7.
8.
Slave address byte (R/W bit = low)
Base address byte
Data byte to base address
Data byte to (base address + 1)
Data byte to (base address + 2)
Data byte to (base address + 3)
Stop signal
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Start signal
Slave address byte (R/W bit = low)
Base address byte
Start signal
Slave address byte (R/W Bit = high)
Data byte from base address
Data byte from (base address + 1)
Data byte from (base Address + 2)
Data byte from (base Address + 3)
Stop signal
SDA
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
ACK
SCL
Figure 13. Serial Interface—Typical Byte Transfer
SYNC STRIPPER
ACTIVITY
DETECT
SYNC SEPARATOR
SOG
NEGATIVE PEAK
CLAMP
COMP
SYNC
INTEGRATOR
1/S
VSYNC
MUX 1
HSYNC IN
ACTIVITY
DETECT
PLL
POLARITY
DETECT
SOG OUT
HSYNC
HSYNC OUT
HSYNC OUT
COAST
MUX 2
MUX 3
COAST
POLARITY
CLOCK
GENERATOR
PIXEL CLOCK
DETECT
AD9985A
VSYNC IN
VSYNC OUT
ACTIVITY
DETECT
POLARITY
DETECT
MUX 4
Figure 14. Sync Processing Block Diagram
Rev. 0 | Page 27 of 32
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