EM2420-RTB Ember, EM2420-RTB Datasheet - Page 41
![no-image](/images/no-image-200.jpg)
EM2420-RTB
Manufacturer Part Number
EM2420-RTB
Description
IC RF TXRX ZIGBEE 2.4GHZ 48-QLP
Manufacturer
Ember
Datasheet
1.EM2420-RTR.pdf
(84 pages)
Specifications of EM2420-RTB
Mfg Application Notes
EM2420
Frequency
2.4GHz
Data Rate - Maximum
250kbps
Modulation Or Protocol
802.15.4
Applications
Home/Building Automation, ZigBee™
Power - Output
-3dBm
Sensitivity
-94dBm
Voltage - Supply
2.1 V ~ 3.6 V
Current - Receiving
19.7mA
Current - Transmitting
17.4mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
- Current page: 41 of 84
- Download datasheet (853Kb)
Ember Part Number: 120-0049-000D
RX_WAIT
except Power Down (PD)
[14]
All States
All States
acknowledge request
Automatic or manual
12 symbol periods
periods later
later
12 symbol
command strobe
TX_ACK_CALIBRATE
TX_ACK_PREAMBLE
Figure 23. Radio control states
RX_SFD_SEARCH
RX_CALIBRATE
SXOSCOFF
[49, 50 and 51]
[52, 53 and 54]
found
[3, 4, 5 and 6]
SFD
SRFOFF
RX_FRAME
[16 and 40]
[2 and 40]
TX_ACK
[48]
EM2420 Datasheet
Wait for the specified crystal oscillator
XOSC16M_STABLE status bit
Wait until voltage regulator
start-up time, or poll the
Voltage Regulator Off
Power Down (PD)
has powered up
Acknowledge
completed
IDLE
[0]
[1]
VREG_EN set high
Chip Reset
(pin or register)
SXOSCON
TX_CALIBRATE
TX_PREAMBLE
[34, 35 and 36]
[37, 38 and 39]
Crystal oscillator disabled,
register access enabled,
FIFO / RAM access disabled
TX_FRAME
[32]
VREG_EN set low
8 or 12 symbol
EM2420
periods later
All RX states
Page 41 of 84
Preamble and SFD
TXFIFO Data
is transmitted
is transmitted
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