參數(shù)資料
型號: CC113LRTKT
廠商: TEXAS INSTRUMENTS INC
元件分類: 無繩電話/電話
英文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC20
封裝: 4 X 4 MM, GREEN, PLASTIC, VQFN-20
文件頁數(shù): 52/75頁
文件大?。?/td> 1454K
代理商: CC113LRTKT
CC113L
SWRS108A
Page 56 of 68
0x18: MCSM0 - Main Radio Control State Machine Configuration
Bit
Field Name
Reset
R/W
Description
7:6
R0
Not used
5:4
FS_AUTOCAL[1:0]
0 (00)
R/W
Automatically calibrate when going to to/from RX mode
Setting
When to perform automatic calibration
0 (00)
Never (manually calibrate using SCAL strobe)
1 (01)
When going from IDLE to RX
2 (10)
When going from RX back to IDLE automatically
3 (11)
Every 4
th time when going from RX to IDLE automatically
3:2
PO_TIMEOUT
1 (01)
R/W
Programs the number of times the six-bit ripple counter must expire after
the XOSC has settled before CHP_RDYn goes low.
3
If XOSC is on (stable) during power-down, PO_TIMEOUT shall be set so
that the regulated digital supply voltage has time to stabilize before
CHP_RDYn goes low (PO_TIMEOUT=2 recommended). Typical start-up
time for the voltage regulat
or is 50 μs.
For robust operation it is recommended to use PO_TIMEOUT = 2 or 3
when XOSC is off during power-down.
Setting
Expire count
Timeout after XOSC start
0 (00)
1
Approx. 2.3 -
2.4 μs
1 (01)
16
Approx. 37 -
39 μs
2 (10)
64
Approx. 149 -
155 μs
3 (11)
256
Approx. 597 -
620 μs
Exact timeout depends on crystal frequency.
1
0
R/W
Use setting from SmartRF Studio [4]
0
XOSC_FORCE_ON
0
R/W
Force the XOSC to stay on in the SLEEP state.
3 Note that the XOSC_STABLE signal will be asserted at the same time as the CHIP_RDYn signal;
i.e. the PO_TIMEOUT delays both signals and does not insert a delay between the signals.
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