EM357-RTR Ember, EM357-RTR Datasheet - Page 142
![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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9.3.9.3
Center-aligned mode is active except when the TIM_CMS bits in the TIMx_CR1 register are 00 (all
configurations where TIM_CMS is non-zero have the same effect on the OCyREF/OCy signals). The compare flag
is set when the counter counts up, when it counts down, or when it counts up and down, depending on the
TIM_CMS bits configuration. The direction bit (TIM_DIR) in the TIMx_CR1 register is updated by hardware and
must not be changed by software. Refer to the Center-Aligned Mode (Up/Down Counting) section for more
information.
Figure 9-23 shows some center-aligned PWM waveforms in an example where:
TIMx_ARR = 8
PWM mode is the PWM mode 1
The output compare flag is set when the counter counts down corresponding to the center-aligned mode 1
selected for TIM_CMS = 01 in the TIMx_CR1 register
PWM Center-Aligned Mode
Figure 9-23. Center-Aligned PWM Waveforms (ARR = 8)
Final
9-18
120-035X-000G
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