si2200 Silicon Laboratories, si2200 Datasheet - Page 22

• Manufacturer Part Number: si2200
• Description: Rf Synthesizer With Integrated Vcos Integrated Vcos - Silicon Laboratories
• Manufacturer: Silicon Laboratories

Si2200
Register 0. Main Configuration Address Field = A[3:0] = 0000
22
Name
Bit
17:14
13:12
11:10
9:7
Bit
6
5
4
3
2
1
0
D17 D16 D15 D14 D13 D12 D11 D10 D9
0
0
AUTOPDB
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
AUXSEL
XINDIV2
0
LPWR
Name
IFDIV
0
AUXSEL
Program to zero.
Auxiliary Output Pin Definition.
00 = Reserved.
01 = Force output low.
11
IF Output Divider
00 = IFOUT = IFVCO Frequency
01 = IFOUT = IFVCO Frequency/2
10 = IFOUT = IFVCO Frequency/4
11 = IFOUT = IFVCO Frequency/8
Program to 110.
XIN Divide-By-2 Mode.
0 = XIN not divided by 2.
1 = XIN divided by 2.
Output Power-Level Settings for IF Synthesizer Circuit.
0 = R
1 = R
Program to zero.
Auto Powerdown
0 = Software powerdown is controlled by Register 2.
1 = Equivalent to setting all bits in Register 2 = 1.
Program to zero.
Program to one.
Program to zero.
= Lock Detect (LDETB).
IFDIV
LOAD
LOAD
Rev. 1.0
500
500
1
—normal power mode.
—low power mode.
D8
1
D7
0
DIV2
XIN
Function
D6
LPWR
D5
D4
0
AUTO
PDB
D3
D2
0
D1
1
D0
0