EM357-RTR Ember, EM357-RTR Datasheet - Page 44
EM357-RTR
Manufacturer Part Number
EM357-RTR
Description
IC RF TXRX ZIGBEE 192KB 48QFN
Manufacturer
Ember
Specifications of EM357-RTR
Frequency
2.4GHz
Data Rate - Maximum
250kbps
Modulation Or Protocol
802.15.4 Zigbee
Applications
General Purpose
Power - Output
5dBm
Sensitivity
-100dBm
Voltage - Supply
2.1 V ~ 3.6 V
Current - Receiving
26mA
Current - Transmitting
31mA
Data Interface
PCB, Surface Mount
Memory Size
192kB Flash, 12kB RAM
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
636-1011-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EM357-RTR
Manufacturer:
SILICON
Quantity:
3 000
Part Number:
EM357-RTR
Manufacturer:
SILICON
Quantity:
20 000
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6.3
Clocks
Table 6-5 shows which reset sources generate certain resets.
The EM35x integrates four oscillators:
Figure 6-2 shows a block diagram of the clocks in the EM35x. This simplified view shows all the clock sources
and the general areas of the chip to which they are routed.
POR HV
POR LV (due to waking from
normal deep sleep)
POR LV (not due to waking from
normal deep sleep)
nRESET
Watchdog
SYSRESETREQ
Option byte error
Normal deep sleep
Emulated deep sleep
Debug reset
12 MHz RC oscillator
24 MHz crystal oscillator
10 kHz RC oscillator
32.768 kHz crystal oscillator
Reset Source
PORESET
Table 6-5. Generated Resets
X
X
X
X
X
X
Final
6-6
SYSRESET
Reset Generation Module Output
X
X
X
X
X
X
X
X
X
X
DAPRESET
X
X
X
X
EM351 / EM357
PRESET
X
X
X
X
X
HV
120-035X-000G
PRESET
X
X
X
X
X
X
X
X
X
LV
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