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参数资料
| 型号： | SI4122-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 15/36页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR SI4122 |
| 标准包装： | 1 |
| 类型： | 合成器 |
| 适用于相关产品： | SI4122 |
| 所含物品： | 板和光盘 |
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Si4133
22
Rev. 1.61
Register 0. Main Configuration
Address Field = A[3:0] = 0000
Bit
D17 D16 D15 D14 D13 D12 D11 D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Name
0
AUXSEL
[1:0]
IFDIV
[1:0]
0000
LPWR
0
AUTO
PDB
AUTO
KP
RF
PWR
0
Bit
Name
Function
17:14
Reserved
Program to zero.
13:12
AUXSEL[1:0]
Auxiliary Output Pin Definition.
00 = Reserved.
01 = Force output low.
10 = Reserved.
11 = Lock Detect—LDETB.
11:10
IFDIV[1:0]
IF Output Divider.
00 = IFOUT = IFVCO Frequency
01 = IFOUT = IFVCO Frequency/2
10 = IFOUT = IFVCO Frequency/4
11 = IFOUT = IFVCO Frequency/8
9:6
Reserved
Program to zero.
5
LPWR
Output Power-Level Settings for IF Synthesizer Circuit.
0 = RLOAD 500 —normal power mode.
1 = RLOAD 500 —low power mode.
4
Reserved
Program to zero.
3
AUTOPDB
Auto Powerdown.
0 = Software powerdown is controlled by Register 2.
1 = Equivalent to setting all bits in Register 2 = 1.
2AUTOKP
Auto KP Setting.
0 = KPs are controlled by Register 1.
1
RFPWR
Program to zero. (Used for extended frequency operation. See AN41 for
more information.)
0
Reserved
Program to zero.
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