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- Continuing RX in AutoOff Type B
When AutoOff Type B is valid, TC32306FTG will stop the timer countdown and continue to be RX if
DET_out signal turns to be "H" before the end of timer period set by register. After that, this IC keeps
to be RX despite of the condition of DET_out signal. To move from continuing RX to Battery Saving,
need to set new registers and/or change RESET/ENB pin.
DET_out Signal
RX
* The example of timing chart may be omitted or simplified for explanatory purposes.
Notice:
-
The timer period setting is derived from 30.32MHz Reference Clock Frequency.
-
The timer period setting is valid after TC32306FTG moves from Battery Saving or Standby to
Run.
-
The timer countdown will start after about 0.06 ms from the start of internal setup, when this IC
moves from Battery Saving or Standby to Run. The timer countdown will start immediately to
finish register writing, if the setting of register:h'10 is valid in Run status.
-
If the timer period is set to 0 ms, this IC will move to Battery Saving after the starting of timer
countdown before RX.
-
In the continuing RX, the stopping timer countdown of AutoOff Type B is not released even if
register settings of RX operation are entered again. To use AutoOff Type B again, moving to
Battery Saving or Standby is needed. In this case, the timer of AutoOff Type B is surely reset.
-
In EEPROM Mode, the setting of the timer period is only 275.6 ms and cannot be set other value.
6.9.5
Change Settings during Run
The registers in Table 6-50 must have finished writing data before internal setup will start. When to
change register settings after the internal setup has finished, do them in Battery Saving or Standby.
About the internal setup, see section 6.9.1.
Table 6-50 Changing Register Prohibited during Run
The registers in Table 6-51 are valid by the transition from Battery Saving or Standby to Run. In SPI
Mode, to be valid the register settings at the starting of TC32306FTG operation, set the registers
during the status of Battery Saving or Standby then move to the status of Run.
Table 6-51 Register to be Valid by the Transition to Run
Run
Fig 6-36 AutoOff Type B (Continuing RX)
Register
Ntime1..0
Register
Delay2..0
Ontime7..0
53
Setting Value of Timer Period
0 - 275.6ms
Run (Continuing RX)
Location
h'1A [D7:D6]
Location
h'0D[D6:D4]
h'1D[D7:D0]
TC32306FTG
2015-10-01
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