EM357-RTR Ember, EM357-RTR Datasheet - Page 162
![IC RF TXRX ZIGBEE 192KB 48QFN](/photos/14/19/141904/636-48-qfn_sml.jpg)
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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Bitname
TIM_OC2FE
TIM_IC2F
TIM_IC2PSC
TIM_CC2S
TIM_OC1M
TIM_OC1BE
TIM_OC1FE
TIM_IC1F
TIM_IC1PSC
Bitfield
[15:12]
[11:10]
[9:8]
[6:4]
[7:4]
[3:2]
[10]
[2]
[3
Access
RW
RW
RW
RW
RW
RW
RW
RW
RW
Description
Output Compare 2 Fast Enable. (Applies only if TIM_CC2S = 0.)
This bit speeds the effect of an event on the trigger in input on the OC2 output.
0: OC2 behaves normally depending on the counter and TIM_CCR2 values even when the
trigger is ON. The minimum delay to activate OC2 when an edge occurs on the trigger
input is 5 clock cycles.
1: An active edge on the trigger input acts like a compare match on the OC2 output. OC2
is set to the compare level independently from the result of the comparison. Delay to
sample the trigger input and to activate OC2 output is reduced to 3 clock cycles.
TIM_OC2FE acts only if the channel is configured in PWM 1 or PWM 2 mode.
Input Capture 1 Filter. (Applies only if TIM_CC2S > 0.)
This defines the frequency used to sample the TI2 input, Fsampling, and the length of the
digital filter applied to TI2. The digital filter requires N consecutive samples in the same
state before being output.
0000: Fsampling=PCLK, no filtering.
0001: Fsampling=PCLK, N=2.
0010: Fsampling=PCLK, N=4.
0011: Fsampling=PCLK, N=8.
0100: Fsampling=PCLK/2, N=6.
0101: Fsampling=PCLK/2, N=8.
0110: Fsampling=PCLK/4, N=6.
0111: Fsampling=PCLK/4, N=8.
1000: Fsampling=PCLK/8, N=6.
1001: Fsampling=PCLK/8, N=8.
1010: Fsampling=PCLK/16, N=5.
1011: Fsampling=PCLK/16, N=6.
1100: Fsampling=PCLK/16, N=8.
1101: Fsampling=PCLK/32, N=5.
1110: Fsampling=PCLK/32, N=6.
1111: Fsampling=PCLK/32, N=8.
Note: PCLK is 12 MHz when using the 24 MHz crystal oscillator, and 6 MHz using the 12 MHz
RC oscillator.
Input Capture 1 Prescaler. (Applies only if TIM_CC2S > 0.)
00: No prescaling, capture each time an edge is detected on the capture input.
01: Capture once every 2 events.
10: Capture once every 4 events.
11: Capture once every 6 events.
Capture / Compare 1 Selection.
This configures the channel as an output or an input. If an input, it selects the input
source.
00: Channel is an output.
01: Channel is an input and is mapped to TI2.
10: Channel is an input and is mapped to TI1.
11: Channel is an input and is mapped to TRGI. This mode requires an internal trigger
input selected by the TIM_TS bit in the TIMx_SMCR register.
Note: TIM_CC2S may be written only when the channel is off (TIM_CC2E = 0 in the
TIMx_CCER register).
Output Compare 1 Mode. (Applies only if TIM_CC1S = 0.)
See TIM_OC2M description above.
Output Compare 1 Buffer Enable. (Applies only if TIM_CC1S = 0.)
See TIM_OC2BE description above.
Output Compare 1 Fast Enable. (Applies only if TIM_CC1S = 0.)
See TIM_OC2FE description above.
Input Capture 1 Filter. (Applies only if TIM_CC1S > 0.)
See TIM_IC2F description above.
Input Capture 1 Prescaler. (Applies only if TIM_CC1S > 0.)
See TIM_IC2PSC description above.
Final
9-38
120-035X-000G
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