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6.6.1
RF-Transmitting Abstract
Item
Modulation
Deviation (FSK)
RF-Transmitting Frequency Band
Output Level
A_VDD_3V
PA_OUT
Matching
Network
6.6.2
RF Signal Modulation
TC32306FTG is available 2 modulation, FSK and ASK to be set by register:h'0A[D4].
h'0A[D5]RX_TX
6.6.3
FSK Modulation
To select FSK, set register:h'0A[D4] to "0"(FSK). TC32306FTG operates FSK modulation at PLL block
with DATA_IO pin input signal. In FSK setting, the deviation is set by the register:h'12[D7:D2]Dev5..0.
Available frequency deviation steps are different at each RF frequency band.
Table 6-29 RF-Transmitting Function Abstracts
Unmodulated - +/-105 kHz (315MHz Band)
Unmodulated - +/-157.5 kHz (434MHz Band)
Unmodulated - +/-315kHz (868 / 915MHz Band)
* 64 steps in each frequency band. (Including unmodulated)
PA
Divider
Fig 6-11 Transmitter Block Diagram
Table 6-30 RF Signal Modulation
h'0A[D4]FSK_ASK
0
XX
1
0
1
1
Function
FSK / ASK
315, 434, 868 / 915 MHz
Coarse: 4 steps
Fine: 16 steps
VCO
PLL
Modulation
RX
FSK (TX)
ASK (TX)
XX: About RX, see Table 6-18
30
TC32306FTG
ASK
DATA_IO
FSK
2015-10-01
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