EM250-RCM-R Ember, EM250-RCM-R Datasheet - Page 125
![EM250 RCM BOARD](/photos/14/8/140869/em250-rcm-r_sml.jpg)
EM250-RCM-R
Manufacturer Part Number
EM250-RCM-R
Description
EM250 RCM BOARD
Manufacturer
Ember
Type
Transceiver, 802.15.4/ZigBeer
Datasheet
1.EM250-RCM-R.pdf
(126 pages)
Specifications of EM250-RCM-R
Frequency
2.4GHz
For Use With/related Products
EM250
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
636-1023
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17 Revision History
Revision
Q
O
N
S
R
P
Location
Figure 17. Package Drawing for EM250s
assembled in Wales or China and Figure 19.
PCB Footprint for the EM250
Chapter 8 (new Figure 18: Package Draw-
ing for EM250s assembled in Malaysia) and
Chapter 11
SCn_SPICFG, SCn_RATEEXPO, and
SCn_RATELIN register descriptions
Section 5.3.1.2, SPI Slave Mode
Chapter 16
Table 1. Pin Descriptions
Section 5.7, Integrated Voltage Regulator
Chapter 12, Ordering Information, Figure
25. Tube dimension (in inches)
Figure 14. Timer Output Generation Mode
Example—Saw Tooth, Non-inverting
Figure 15. Timer Output Generation Mode
Example—Alternating, Non-inverting
Figure 19. PCB Footprint for the EM250
Figure 20. Paste Mask Dimensions
Table 5. DC Characteristics
Section 4.1.1, RX Baseband
Section 5.5, ADC Module
Table 33. ADC Module Key Parameters
Chapter 9, QFN48 Footprint Recommenda-
tions
Chapter 10, IR Temperature Profile
Table 39. Bill of Materials for Figure 16
Figure 21. Contents Label
Table 1. Pin Descriptions
Table 2. Absolute Maximum Ratings
Table 7. Receive Characteristics
Section 5.1, GPIO
Section 5.2.4, Registers
Figure 19. PCB Footprint for the EM250
Chapter 9, Part Marking
Chapter 10, Ordering Information
Description of Change
Corrected dimensions.
Added specifications for Malaysia manufacture.
Clarified the circumstances under which the registers can be changed.
Clarified state of MISO pin when nSSEL signal is deasserted; added
information about transmit behavior.
Updated reference information.
Updated the following pin descriptions: 1, 2, 5, 8, 10, 12, 18, 30, 39,
44, 45, and 46.
Updated section 5.7 to remove support for an external 1v8 regulator.
Removed Tray information and added Tube information according to
PCN 121-1006-000.
Corrected timer mode 5.
Corrected timer mode 5.
Corrected via dimensions.
Corrected via dimensions.
Added nRESET active current parameter.
Updated AGC information.
Added ADC information.
Added new table.
Added new chapter and figures.
Added new chapter and figures.
Updated BOM information.
Added new figure.
Added more detail around the SIF Interface pins.
Added a Maximum Input level in dBM.
Modified the 802.11g rejection from 40 to 35dB.
Added more detail around the GPIO output configuration.
Corrected errors in the description of the SC1_TXCNT and SC2_TXCNT
registers.
Corrected the PCB footprint dimensions.
Added new chapter and figure.
Added tape and reel information.
Page 125
EM250
120-0082-000S
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