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EM342-RTR Datasheet(PDF) 38 Page - Silicon Laboratories

Part # EM342-RTR
Description  High-Performance, Integrated RF4CE System-on-Chip
PDF  143 Pages
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

EM342-RTR Datasheet(HTML) 38 Page - Silicon Laboratories

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EM342
38
Rev 1.0
Table 6.5 shows which reset sources generate certain resets.
6.3. Clocks
The EM342 integrates four oscillators:

12 MHz RC oscillator

24 MHz crystal oscillator

10 kHz RC oscillator

32.768 kHz crystal oscillator
Figure 6.2 shows a block diagram of the clocks in the EM342. This simplified view shows all the clock sources and
the general areas of the chip to which they are routed.
Table 6.5. Generated Resets
Reset Source
Reset Generation Module Output
PORESET SYSRESET DAPRESET PRESETHV PRESETLV
POR HV
X
X
X
X
X
POR LV (due to waking from
normal deep sleep)
X
X
X
X
POR LV (not due to waking
from normal deep sleep)
X
X
X
X
X
nRESET
X
X
X
X
Watchdog
X
X
X
SYSRESETREQ
X
X
X
Option byte error
X
X
X
Normal deep sleep
X
X
X
X
Emulated deep sleep
X
X
Debug reset
X



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