SI4205-BM Silicon Laboratories Inc, SI4205-BM Datasheet - Page 26

• Manufacturer Part Number: SI4205-BM
• Description: IC TXRX TRI-BAND 32LGA
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4205-BM

• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Modulation Or Protocol: GSM
• Applications: Cellular, GSM Cellular Radio
• Voltage - Supply: 2.7 V ~ 3.3 V
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Package / Case: 32-LGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Operating Temperature: -
• Sensitivity: -
• Memory Size: -
• Data Rate - Maximum: -
• Current - Transmitting: -
• Current - Receiving: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Aero I
Register 11h. Configuration
26
Name
Bit
17:14
13:11
3:1
Bit
10
9
8
7
6
5
4
0
D17 D16 D15 D14 D13 D12 D11 D10
0
0
DPDS[2:0]
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0
Name
XPD1
XSEL
CSEL
0
DPDS[2:0]
Program to zero.
Data Path Delayed Start.
111= Use for GSM 850 and GSM 900 bands.
011= Use for DCS 1800 and PCS 1900 bands (default).
Note: Use the recommended setting for each band. Other settings reserved.
Reference Buffer Powerdown.
0 = Reference buffer automatically enabled (default).
1 = Reference buffer disabled.
Note: This bit should be set to 0 during normal operation. To achieve lowest
Program to one.
Reference Frequency Select.
0 = No divider. XIN = 13 MHz (default).
1 = Divide XIN by 2. XIN = 26 MHz.
Note: The internal clock should always be 13 MHz.
Program to zero.
Program to one.
Program to zero.
Program to one.
Program to zero.
Digital IIR Coefficient Select.
0 = High selectivity filter (default).
1 = Low selectivity filter.
powerdown current (I
Register 12h must also be set appropriately.
XPD1
Rev. 1.0
D9
1
XSEL
D8
PDN
D7
0
), this bit should be set to 1. The XBUF bit in
Function
D6
1
D5
0
D4
1
D3
0
D2
0
D1
0
CSEL
D0