CMOSTEK CMT2300A - CMT2300 A Electrical Characteristics; Recommended Operation Condition; Absolute Maximum Rating

AN146
Rev 0.9 | Page 4/25
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1. Duty-Cycle Operation Mode
1.1 Duty-Cycle Mode Related Register
The corresponding RFPDK interface and parameters are as below:
Figure 1. Duty-Cycle RFPDK Interface
Table 2. Duty-Cycle Related Parameter
Register Bit RFPDK Parameter
Register Bit
Rx Duty-Cycle
RX_DC_EN
Tx Duty-Cycle
TX_DC_EN
Sleep Timer
SLEEP_TIMER_EN
Sleep Time
SLEEP_TIMER_M<10:0>
SLEEP_TIMER_R<3:0>
Rx Timer
RX_TIMER_EN
Rx Time T1
RX_TIMER_T1_M<10:0>
RX_TIMER_T1_R<3:0>
Rx Time T2
RX_TIMER_T2_M<10:0>
RX_TIMER_T2_R<3:0>
Rx Exit State
RX_EXIT_STATE<1:0>
Tx Exit State
TX_EXIT_STATE<1:0>
LFOSC Calibration
LFOSC_RECAL_EN
LFOSC_CAL1_EN
LFOSC_CAL2_EN
XTAL Stable Time
XTAL_STB_TIME<2:0>
The contents and explanations of the register can be seen in the following table.
Table3. Register Located in the Configuration Bank:
Register
Name
Bits
R/W
Bit Name
Function Description
CUS_SYS2
(0x0D)
7
RW
LFOSC_RECAL_EN
Enable LFOSC recalibration 1. Before you
enter the RX or TX every time, if you find the
last result of the calibration 2 beyond the
boundary, that is not to tune the frequency by
the fine adjustment, the calibration 1 can
automatically run again, This calibration will