Si4012-A0-GT Silicon Laboratories Inc, Si4012-A0-GT Datasheet - Page 36

• Manufacturer Part Number: Si4012-A0-GT
• Description: RF Transmitter 27-960 MHz RF transmitter
• Manufacturer: Silicon Laboratories Inc
• Type: Crystalless SoC RF Transmitterr

Specifications of Si4012-A0-GT

• Package / Case: MSOP-10
• Operating Frequency: 27 MHz to 960 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 1.8 V to 3.6 V
• Supply Current: 10 mA

Si4012
5.2.5. PROPERTY: TUNE_INTERVAL
Format:
Note: The tuning interval specifies the frequency in which the device performs periodic tuning in tune state and in CW Mode.
5.2.6. PROPERTY: FIFO_THRESHOLD
Format:
Notes:Ffautotxthr applies only when auto transmit is enabled. If ffautotxthr is set to 0, the Si4012 transmits whenever data
36
Purpose:
Property:
Default:
Fields:
In CW or PN9 mode, if TuningItv is 0, no tuning will be performed. In FIFO mode, if Si4012 is in tune state but TuningItv
is set to 0 by the host, tuning will be performed every 10 seconds.
Purpose:
Property:
Fields:
becomes available in the FIFO. This field is ignored when auto transmit is disabled.
TUNE_INTERVAL Property
FIFO_THRESHOLD
PROP_DATA1
PROP_DATA2
PROP_DATA3
PROP_DATA1
PROP_DATA2




Property
PROP_HI
PROP_ID
Tune interval used for periodic tuning.
0x21
0x000A
TuningItv[15:0] - tuning interval in seconds
FIFO threshold settings – FIFO Almost Empty, FIFI Almost Full and auto transmit level.
0x30
ffafullthr[7:0] – FIFO Almost Full Threshold in bytes, default 0xF0
ffaemthr[7:0] – FIFO Almost Empty Threshold in bytes, default 0x10
ffautotxthr[7:0] – FIFO Threshold controlling when to start auto transmit, default 0x20 bytes.
7
7
6
6
Rev 0.2
5
5
4
ffautotxthr[7:0]
4
ffaemthr[7:0]
ffafullthr[7:0]
TuningItv[15:8]
TuningItv[7:0]
3
0x30
0x21
3
2
2
1
1
0
0