Si4012-A0-GT Silicon Laboratories Inc, Si4012-A0-GT Datasheet - Page 27

• 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

Notes:
Response:



The host should poll ipksent using GET_INT_STATUS to check when the packet has been sent, or
monitor the pksent interrupt.
Si4012 allows larger packet sizes than the FIFO. It also allows the packet size to be greater than the data
available in the FIFO.
TX_START
Reply
If the packet size is less than the data stored in the FIFO, the data specified in packet size will be
If the packet size is larger than the data stored in the FIFO size, when TX_START is received, all
If the packet size equals to the data stored in the FIFO size, all the data in the FIFO will be
transmitted in one transmission leaving leftover data in the FIFO. The size to be transmitted will be
specified in the DATA field.
the data in the FIFO will be transmitted. The size of the data currently available in the FIFO will be
specified in the DATA field. If auto transmit is enabled, the Si4012 will automatically transmit data
when the TX FIFO level reaches the auto transmit level dictated by ffautotxthr without another
explicit TX_START until the data specified in PacketSize is all transmitted. An interrupt is triggered
with pksent set in the interrupt status; If auto transmit is not enabled, the Si4012 will start
transmitting what’s available in the FIFO until FIFO becomes empty. The host is responsible for
keeping FIFO from underflow by supplying the balance of the data needed for the packet size.
transmitted, ActualDataSize will be equal to the packet size.
STATUS
DATA1
7
CTS
6
5
Rev 0.2
ActualDataSize[7:0]
4
3
2
Err
1
0
Si4012
27