EM351-MOD-RF-TG Ember, EM351-MOD-RF-TG Datasheet - Page 152
EM351-MOD-RF-TG
Manufacturer Part Number
EM351-MOD-RF-TG
Description
MODULE EM351 NO PA/LNA W/RF CONN
Manufacturer
Ember
Specifications of EM351-MOD-RF-TG
Frequency
2.4GHz
Data Rate - Maximum
250kbps
Modulation Or Protocol
802.15.4 Zigbee
Power - Output
3dBm
Sensitivity
-100dBm
Voltage - Supply
2.1 V ~ 3.6 V
Current - Receiving
26mA
Current - Transmitting
31mA
Data Interface
PCB, Surface Mount
Memory Size
128kB Flash, 12kB RAM
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Applications
-
Other names
636-1015
- Current page: 152 of 245
- Download datasheet (12Mb)
9.3.14.4
This example sets the enable of Timer 1 when its TI1 input rises, and the enable of Timer 2 with the enable of
Timer 1. To ensure the counters are aligned, Timer 1 must be configured in master/slave mode (slave with
respect to TI1, master with respect to Timer 2):
When a rising edge occurs on TI1 (Timer 1), both counters start counting synchronously on the internal clock
and both timers’ INT_TIMTIF flags are set. Figure 9-36 shows this in operation.
Note: In this example both timers are initialized before starting by setting their respective TIM_UG bits. Both
counters starts from 0, but an offset can be inserted between them by writing any of the counter registers
(TIMx_CNT). The master/slave mode inserts a delay between CNT_EN and CK_PSC on Timer 1.
Configure Timer 1 in master mode to send its Enable as trigger output: Write TIM_MMS = 001 in the
TIM1_CR2 register.
Configure Timer 1 slave mode to get the input trigger from TI1: Write TIM_TS = 100 in the TIM1_SMCR
register.
Configure Timer 1 in trigger mode: Write TIM_SMS = 110 in the TIM1_SMCR register.
Configure the Timer 1 in master/slave mode: Write TIM_MSM = 1 in the TIM1_SMCR register.
Configure Timer 2 to get the input trigger from Timer 1: Write TIM_TS = 000 in the TIM2_SMCR register.
Configure Timer 2 in trigger mode: Write TIM_SMS = 110 in the TIM2_SMCR register.
Starting both Timers Synchronously in Response to an External Trigger
Figure 9-35. Triggering Timer 2 with Enable of Timer 1
Final
9-28
120-035X-000G
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