参数资料
| 型号： | AD9974BBCZRL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 38/52页 |
| 文件大小： | 0K |
| 描述： | IC CCDSP DUAL 14BIT 100-CSPBGA |
| 标准包装： | 1 |
| 类型： | CCD 信号处理器，14 位 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | 3 线串口 |
| 电流 - 电源： | 55mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-LFBGA，CSPBGA |
| 供应商设备封装： | 100-CSBGA（9x9） |
| 包装： | 标准包装 |
| 其它名称： | AD9974BBCZRLDKR |
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AD9974
Rev. A | Page 43 of 52
Address
Data Bit
Content
Default
Value
Update
Name
Description
0x0C
[27:0]
0
VD
TESTMODE
Test Operation Only. Set to 0 if this register is accessed.
0x0D
[0]
0
VD
CLIDIVIDE
CLI Divide.
1 = divide CLI input frequency by 2.
[3:1]
0
TESTMODE
Test Operation Only. Set to 0.
[27:4]
Unused
Set unused bits to 0.
0x0E
[27:0]
SCK
Unused
Set unused register to 0 if accessed.
0x0F
[27:0]
SCK
Unused
Set unused register to 0 if accessed.
Table 23. Miscellaneous Registers
Address
Data Bit
Content
Default
Value
Update
Name
Description
0x10
[0]
0
SCK
SW_RST
Software Reset. Bit self-clears to 0 when a reset occurs.
1 = reset Address 0x00 to Address 0xFF to default values.
[27:1]
Unused
Set unused bits to 0.
0x11
[0]
0
VD
OUT_CONTROL
Output Control.
0 = make all outputs dc inactive.
1 = enable outputs at next VD edge.
[27:1]
Unused
Set unused bits to 0.
0x12
[1:0]
0
SCK
TESTMODE
Test Operation Only. Set to 0.
[27:2]
Unused
Set unused bits to 0.
0x13
[0]
0
SCK
TESTMODE
Test Operation Only. Set to 0.
[27:1]
Unused
Set unused bits to 0.
0x14
[0]
0
SCK
TGCORE_RST
Timing Core Reset Bar.
0 = hold in reset.
1 = resume operation.
[27:1]
Unused
Set unused bits to 0.
0x15
[0]
0
SCK
CLI_BIAS
Enable bias for CLI input (see Figure 11).
0 = disable bias (CLI input is dc-coupled).
1 = enable bias (CLI input is ac-coupled).
[27:1]
Unused
Set unused bits to 0.
0x16
[0]
0
SCK
TESTMODE
Test Operation Only. Set to 0.
[27:1]
Unused
Set unused bits to 0.
0x17
[12:0]
0
SCK
UPDATE
Serial Interface Update Line. Sets the line (HD) within the field to
update the VD-updated registers. Disabled when PREVENTUP = 1.
[13]
0
PREVENTUP
Prevents normal update of VD-updated registers.
0 = normal update at VD.
1 = prevent update of VD-updated registers.
[27:14]
Unused
Set unused bits to 0.
0x18
[27:0]
0
TESTMODE
Test Operation Only. Set to 0 if this register is accessed.
0x19
[27:0]
0
TESTMODE
Test Operation Only. Set to 0 if this register is accessed.
0x1A to
0x1F
[27:0]
Unused
Set unused bits to 0.
Table 24. VD/HD Registers
Address
Data Bit
Content
Default
Value
Update
Name
Description
0x20
[0]
0
SCK
TESTMODE
Test Operation Only. Set to 0.
[27:1]
Unused
Set unused bits to 0.
0x21
[0]
0
SCK
VDHDPOL
VD/HD Active Polarity.
0 = active low.
1 = active high.
[2:1]
0
TESTMODE
Test Operation Only. Set to 0.
[27:3]
Unused
Set unused bits to 0.
0x22
[27:0]
0
TESTMODE
Test Operation Only. Set to 0 if this register is accessed.
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