SI4703-B17-GMR Silicon Laboratories Inc, SI4703-B17-GMR Datasheet - Page 29

• Manufacturer Part Number: SI4703-B17-GMR
• Description: IC TUNER FM RADIO RDS/RBDS 20QFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4703-B17-GMR

• Frequency: 76MHz ~ 108MHz
• Sensitivity: *
• Data Rate - Maximum: *
• Modulation Or Protocol: *
• Applications: *
• Current - Receiving: *
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: *
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: *
• Package / Case: 20-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -

Register 0Ah. Status RSSI
Reset value = 0x0000
Name RDSR STC SF/BL AFCRL RDSS BLERA[1:0]
Type
10:9
Bit
Bit
15
14
13
12
11
D15
R
BLERA[1:0]
AFCRL
RDSR
Name
SF/BL
RDSS
STC
D14
R
D13
R
RDS Ready.
0 = No RDS group ready (default).
1 = New RDS group ready.
Refer to “4.4. RDS/RBDS Processor and Functionality”.
Seek/Tune Complete.
0 = Not complete (default).
1 = Complete.
The seek/tune complete flag is set when the seek or tune operation completes. Setting
the SEEK 02h[8] or TUNE 03h[15] bit low will clear STC.
Seek Fail/Band Limit.
0 = Seek successful.
1 = Seek failure/Band limit reached.
The SF/BL flag is set high when SKMODE 02h[10] = 0 and the seek operation fails to
find a channel qualified as valid according to the seek parameters.
The SF/BL flag is set high when SKMODE 02h[10] = 1 and the upper or lower band limit
has been reached.
The SEEK 02h[8] bit must be set low to clear SF/BL.
AFC Rail.
0 = AFC not railed.
1 = AFC railed, indicating an invalid channel. Audio output is softmuted when set.
AFCRL is updated after a tune or seek operation completes and indicates a valid or
invalid channel. During normal operation, AFCRL is updated to reflect changing RF envi-
ronments.
RDS Synchronized.
0 = RDS decoder not synchronized (default).
1 = RDS decoder synchronized.
Available only in RDS Verbose mode (RDSM 02h[11] = 1).
Refer to “4.4. RDS/RBDS Processor and Functionality”.
RDS Block A Errors.
00 = 0 errors requiring correction.
01 = 1–2 errors requiring correction.
10 = 3–5 errors requiring correction.
11 = 6+ errors or error in checkword, correction not possible.
Available only in RDS Verbose mode (RDSM 02h[11] = 1).
Refer to “4.4. RDS/RBDS Processor and Functionality”.
D12
R
D11
R
Confidential Rev. 1.0
D10
R
D9
D8
ST
R
Function
D7
D6
D5
RSSI[7:0]
D4
Si4703-B17
R
D3
D2
D1
D0
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