STW81102ATR STMicroelectronics, STW81102ATR Datasheet - Page 39

• Manufacturer Part Number: STW81102ATR
• Description: IC SYNTHESIZER MULTI RF 28VFQFPN
• Manufacturer: STMicroelectronics
• Type: Frequency Synthesizerr

Specifications of STW81102ATR

• Pll: Yes
• Input: Clock, Crystal
• Output: Clock, Crystal
• Number Of Circuits: 1
• Ratio - Input:output: 3:2
• Differential - Input:output: No/No
• Frequency - Max: 4.65GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN, 28-VFQFPN
• Frequency-max: 4.65GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STW81102
Table 23.
Serial interface address = 01h
[23]
[22]
[21]
[20]
[19]
[18]
[17]
[16]
[15]
[14]
[13]
[12]
[11]
[10]
Bit
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
CAL_AUTOSTART_EN VCO calibration auto restart enable (0 = Off, 1 = On)
Bits at 01h and ST2
OUTBUF_CTRL_EN
Name
PD4
PD3
PD2
PD1
PD0
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
A4
A3
A2
A1
A0
Output buffer control mode enable (0 = Off, 1 = On)
Device functional modes:
0. Power down
1. Enable VCO A, output frequency divided by 2
2. Enable VCO B, output frequency divided by 2
3. Enable external VCO, output frequency divided by 2
4. Enable VCO A, output frequency divided by 4
5. Enable VCO B, output frequency divided by 4
6. Enable external VCO, output frequency divided by 4
7. Enable VCO A, direct output
8. Enable VCO B, direct output
9. Enable external VCO, direct output
B_COUNTER bits
A_COUNTER bits
Register name = ST2
Description
SPI digital interface
39/53