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Atmel BTLC1000-MR110CA
BLE Module
DATASHEET
Description
The BTLC1000-MR110CA is an ultra-low power Bluetooth® SMART (BLE 4.1) module with Integrated
Transceiver, Modem, MAC, PA, TR Switch, and Power Management Unit (PMU). It can be used as a
Bluetooth Low Energy link controller or data pump with external host MCU.
The qualified Bluetooth® Smart protocol stack is stored in dedicated ROM, the firmware includes
L2CAP service layer protocols, Security Manager, Attribute protocol (ATT), Generic Attribute Profile
(GATT) and the Generic Access Profile (GAP). Additionally, application profiles such as Proximity,
Thermometer, Heart Rate, Blood Pressure and many others are supported and included in the protocol
stack.
The module contains all circuitry required including a ceramic high gain antenna, 26MHz crystal and
PMU circuitry. The customer simply needs to place the module on his board and provide power and a
32 KHz Real Time Clock or crystal.
Features

Complies with Bluetooth V4.1, ETSI EN 300 328 and EN 300 440 Class 2, FCC CFR47 Part
15, ARIB STD-T66, and TELEC

Bluetooth Certification
o QD ID Controller (see declaration D028678)
o QD ID Host (see declaration D028679
2.4GHz transceiver and Modem
o -95dBm/ -93dBm programmable receiver sensitivity
o -20 to +3.5dBm programmable TX output power
o Integrated T/R switch
o Single wire antenna connection
ARM Cortex-M0 32-bit processor
o Single wire Debug (SWD) interface
o 4-channel DMA controller
o Brown out detector and Power On Reset
o Watch Dog Timer
Memory
o 128kB embedded RAM (96kB available for application)
o 128kB embedded ROM
Hardware Security Accelerators
o AES-128
o SHA-256
Peripherals
o 12 digital and 1 wake-up GPIO
o 2 Mixed Signal GPIOs
o Programmable 96kΩ pull-up or pull-down resistor for each GPIO
o Retention capable GPIO pads
o 1x SPI (Master/Slave)





Atmel-42514C-ATBTLC1000-MR110CA-BLE-Module_Datasheet_12/2015



2
o 2x I2C (Master/Slave)
o 2x UART
o 1x SPI Flash
o 3-Axis quadrature decoder
o 4x Pulse Width Modulation (PWM), 3 General Purpose Timers and 1 Wake up Timer
o 2 channel 11-bit ADC
Clock
o Integrated 26MHz oscillator
o 26MHz crystal oscillator
o Fully integrated sleep oscillator
o 32kHz RTC crystal oscillator
Ultra Low power
o Less than 1.15uA (8K RAM retention and RTC running)
o 3.0mA peak TX current (VBAT=3.6V, 0dBm TX power)
o 4.2mA peak RX current (VBAT=3.6V, -95dBm sensitivity)
o Very low average advertisement current (dependent on advertisement interval)
Integrated Power management
o 1.8-4.3V input range for PMU
o 1.62-4.3V input range for I/O
o Fully integrated Buck DC-DC converter
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Table of Contents
Description .......................................................................................................................... 1
Features .............................................................................................................................. 1
1
Ordering Information .................................................................................................... 5
2
Package Information ..................................................................................................... 5
3
Block Diagram ............................................................................................................... 6
4
Pin out Information ....................................................................................................... 7
4.1
4.2
4.3
5
Pin Assignment ....................................................................................................................................... 7
Pin Description ........................................................................................................................................ 8
Module Outline Drawing ........................................................................................................................ 10
Electrical Specifications ............................................................................................. 11
5.1
5.2
5.3
5.4
Absolute Maximum Ratings .................................................................................................................. 11
Recommended Operating Conditions ................................................................................................... 12
Restrictions for Power States ................................................................................................................ 12
Power Sequences ................................................................................................................................. 13
5.4.1 Power-up Sequence ..................................................................................................................... 13
5.4.2 Power-down Sequence................................................................................................................. 13
5.2 Digital I/O Pin Behavior During Power-Up Sequences .......................................................................... 14
5.5 RTC Pins............................................................................................................................................... 16
6
Characteristics ............................................................................................................ 17
6.1
6.2
6.3
Device States ........................................................................................................................................ 17
Receiver Performance .......................................................................................................................... 17
Transmitter Performance ...................................................................................................................... 18
7
Module Schematic ...................................................................................................... 19
8
Module Bill Of Materials ............................................................................................. 20
9
Application Schematic................................................................................................ 21
10 Placement and Routing Guidelines ........................................................................... 23
10.1 Power and Ground ................................................................................................................................ 23
11 Interferers .................................................................................................................... 23
12 Reference Documentation & Support ........................................................................ 24
12.1 Reference Documents .......................................................................................................................... 24
13 Certifications ............................................................................................................... 25
13.1 Agency Compliance .............................................................................................................................. 25
14 Errata ........................................................................................................................... 26
15 Revision History.......................................................................................................... 27
3
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3 3
List of Figures
Figure 1: Block Diagram ........................................................................................................................................................... 6
Figure 2: Top View .................................................................................................................................................................... 7
Figure 3: Module Dimensions (millimeters) ............................................................................................................................ 10
Figure 4: ATBTLC1000 Power-up Sequence ......................................................................................................................... 13
Figure 5: ATBTLC1000 Power-down Sequence..................................................................................................................... 14
Figure 7 : Module Schematic .................................................................................................................................................. 19
Figure 8: Module Bill Of Materials ........................................................................................................................................... 20
Figure 9: Reference Schematic Including 32.768KHz Crystal ................................................................................................ 21
Figure 10: Reference Schematic Without 32.768KHz Crystal ................................................................................................ 22
4
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1 Ordering Information
Ordering Code
Package
Description
ATBTLC1000-MR110CA
22 X 15mm
Chip Antenna
2 Package Information
Table 2-1.
Parameter
Package Size
Pad Count
ATBTLC1000-MR110 module Information(1)
Value
Units
12.700 X 20.152
Tolerance
mm
24
Total Thickness
2.0874
Pad Pitch
.9002
Pad Width
.500
mm
Exposed Pad size
Note:
5
4.4 x 4.4
1. For details, see Package Drawing in section 4.
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3 Block Diagram
Figure 1 shows the block diagram of the BTLC1000-MR110CA module.
Figure 1: Block Diagram
VDDIO
VBAT
Antenna
Chip_En
AO_GPIO_0
LP_GPIO
BTLC1000
BLE 4.1 SOC
GPIO_MS1/MS2
26 MHz
From 32.768kHz
crystal or clock
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Matching
4 Pin out Information
4.1 Pin Assignment
Figure 2 shows the module top view and pin numbering.
Figure 2: Top View
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4.2 Pin Description
Table 4-1 provides details for the module pin assignments and descriptions.
Table 4-1.
NO
Name
Pin Description
Type
Description
Notes
1
Ground
Power
Ground Pin. Connect to PCB ground
2
LP_GPIO_0
I/O
Used for Single Wire Debug Clock.
Debug interface pin. Connect to a
header or test point.
3
LP_GPIO_1
I/O
Used for Single Wire Debug Data.
Debug interface pin. Connect to a
header or test point
4
LP_GPIO_2
I/O
General Purpose I/O.
Default function is Host UART RxD.
5
LP_GPIO_3
I/O
General Purpose I/O.
Default function is Host UART TxD.
6
VBAT
Power
Power Supply Pin for the on chip Power
Management Unit (PMU). Connect to a 1.8V –
4.3V power supply.
7
LP_GPIO_8
I/O
General Purpose I/O.
Default function is Host UART CTS
8
LP_GPIO_9
I/O
General Purpose I/O.
Default function is Host UART RTS
9
Ground
Power
Ground Pin. Connect to PCB ground
10
LP_GPIO_10
I/O
General Purpose I/O.
Default function is SPI_SCK
11
LP_GPIO_11
I/O
General Purpose I/O.
Default function is SPI_MOSI
12
LP_GPIO_12
I/O
General Purpose I/O.
Default function is SPI_SSN
13
Ground
Power
Ground Pin. Connect to PCB ground
14
LP_GPIO_13
I/O
General Purpose I/O.
Default function is SPI_MISO
15
GPIO_MS1
I/O
Mixed Signal I/O.
Configurable to be a GPIO or ADC input.
16
GPIO_MS2
I/O
Mixed Signal I/O.
Configurable to be a GPIO or ADC input.
17
Chip_En
Control
Chip Enable. A high level turns on the On Chip
PMU and enables operation of the device. Low
disables the device and turns off the PMU.
Control this pin with a host GPIO. If not
used, tie to VDDIO.
18
RTC_CLKP
Positive Pin for Real Time Clock Crystal.
Connect to a 32.768KHz Crystal
8
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NO
Name
Type
Description
Notes
19
RTC_CLKN
20
AO_GPIO_0
I/O
Always on GPIO_0. Used to wake up the device
from sleep.
21
LP_GPIO_16
I/O
General Purpose I/O.
Default function is Debug UART RxD
22
VDDIO
Power
Power Supply Pin for the I/O pins. Connect to a
1.62V – 4.3V power supply.
I/O supply can be less than or equal to
VBAT
23
LP_GPIO_18
I/O
General Purpose I/O.
Default function is Debug UART TxD
24
Ground
Power
Ground Pin. Connect to PCB ground
25
Paddle
Power
Center Ground Paddle
9
Negative Pin for Real Time Clock Crystal.
Connect to a 32.768KHz Crystal
Connect to inner PCB ground plane with
an array of vias.
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4.3 Module Outline Drawing
Figure 3 shows the view of the module and the module dimensions. All dimensions are in mm.
Figure 3: Module Dimensions (millimeters)
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5
Electrical Specifications
5.1 Absolute Maximum Ratings
This section describes the minimum and maximum ratings the module can tolerate.
Table 5-1.
Symbol
BTLC1000-MR110CA Absolute Maximum Ratings
Characteristic
Min
Max
Unit
VDDIO
I/O Supply Voltage
-0.3
4.6
V
VBAT
Battery Supply Voltage
-0.3
5.0
V
VIN(1)
Digital Input Voltage
-0.3
VDDIO
V
VAIN(2)
Analog Input Voltage
-0.3
1.5
V
VESDHBM(3)
ESD Human Body Model
-1000, -2000
(see notes below)
+1000, +2000
(see notes below)
V
TA
Storage Temperature
-65
150
oC
125
oC
Junction Temperature
Notes:
1. VIN corresponds to all the digital pins
2. VAIN corresponds to the following analog pins: VDDRF_RX, VDDAMS, RFIO, XO_N, XO_P, VDD_SXDIG,
VDD_VCO
3. For VESDHBM, each pin is classified as Class 1, or Class 2, or both:
o The Class 1 pins include all the pins (both analog and digital)
o The Class 2 pins include all digital pins only
o VESDHBM is +/-1kV for Class1 pins. VESDHBM is +/-2kV for Class2 pins.
1
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5.2 Recommended Operating Conditions
Table 5-2.
BTLC1000-MR110CA Recommended Operating Conditions
Symbol
Characteristic
Min
Typ
Max
Units
VDDIO
I/O Supply Voltage Low Range
1.62
1.80
4.3
V
VBAT
Battery Supply Voltage
1.8(note 1)
3.6
4.3
V
Operating Temperature
-40
85
oC
Notes: 1. VBAT supply must be greater than or equal to VDDIO
5.3 Restrictions for Power States
When VDDIO is off (either disconnected or at ground potential), a voltage must not be applied to the device pins. This is because
each pin contains an ESD diode from the pin to the VDDIO supply. This diode will turn on when a voltage higher
than one diode-drop is supplied to the pin. This in turn will try to power up the part through the VDDIO supply.
If a voltage must be applied to the signal pads while the chip is in a low power state, the VDDIO supply must be on.
Similarly, to prevent the pin-to-ground diode from turning on, do not apply a voltage that is more than 0.3V below
ground to any pin.
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5.4 Power Sequences
Describes that sequence and parameters for powering up and down the device.
5.4.1
Power-up Sequence
The power-up sequence for BTLC1000 is shown in 0. The timing parameters are provided in Table 5-3.
Figure 4: ATBTLC1000 Power-up Sequence
VBATT
t BIO
VDDIO
t IOCE
CHIP_EN
t SCS
32kHz
RC Osc
Table 5-3.
ATBTLC1000 Power-up Sequence Timing
Parameter
Min.
tBIO
0
Max.
Units
Description
VBATT rise to VDDIO rise
VBATT and VDDIO can rise simultaneously
or can be tied together.
VDDIO rise to CHIP_EN rise
CHIP_EN must not rise before VDDIO.
CHIP_EN must be driven high or low, not left
floating.
ms
tIOCE
0
tSCS
10
5.4.2
µs
Notes
CHIP_EN rise to 31.25kHz
(2MHz/64) oscillator stabilizing
Power-down Sequence
The power-0down sequence for BTLC1000 is shown in 05. The timing parameters are provided in Table 5-4
1
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Figure 5: ATBTLC1000 Power-down Sequence
CHIP_EN
t IOCE
VDDIO
t BIO
VBATT
32kHz
RC Osc
Table 5-4.
Parameter
Min.
tIOCE
0
ATBTLC1000 Power-down Sequence Timing
Max.
Units
Description
Notes
CHIP_EN fall to VDDIO fall
CHIP_EN must fall before VDDIO. CHIP_EN
must be driven high or low, not left floating.
VDDIO fall to VBATT fall
VBATT and VDDIO can fall simultaneously or
can be tied together.
ms
tBIO
5.2
0
Digital I/O Pin Behavior During Power-Up Sequences
Table 5-6 describes the digital IO Pin states corresponding to device power modes.
Table 5-5.
Digital I/O Pin Behavior in Different Device States
14
Pull Up/Down
VDDIO
CHIP_EN
RESETN
Output
Driver
Input
Driver
Resistor (96 kΩ)
Power_Down:
core supply off
High
Low
Low
Disabled (Hi-Z)
Disabled
Disabled
Power-On Reset:
core supply on
High
High
Low
Disabled (Hi-Z)
Disabled
Enabled
Power-On Default:
core supply on, device out of reset
but not programmed yet
High
High
High
Disabled (Hi-Z)
Enabled
Enabled
Device State
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On_Doze/
On_Transmit/
On_Receive:
core supply on, device programmed
by firmware
1
5
High
High
High
Programmed
by firmware
for each pin:
Enabled or
Disabled
Opposite of
Output Driver
state
Programmed
by firmware
for each pin:
Enabled or
Disabled
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5.5 RTC Pins
Module pins 18 and 19 (RTC_CLKP and RTC_CLKN, respectively) are used for a 32.768KHz crystal. To be compliant with
the BLE specifications for connection events, the frequency accuracy of this clock has to be within +/- 500ppm. Because of
the low drift of the 32.768kHz crystal oscillator clock and the fact that it can be accurately calibrated (+/-25ppm), the power
consumption of the BTLC1000 can be minimized by leaving radio circuits in low power sleep mode for as long as possible
until they need to wake up for the next connection timed event.
The block diagram in 2(a) shows how the internal low frequency Crystal Oscillator (XO) is connected to the external crystal.
Typically, the crystal should be chosen to have a load capacitance of 7pF to minimize the oscillator current.
Alternatively, if an external 32.768KHz clock is available, it can be used to drive the RTC_CLKP pin instead of using a crystal.
The XO has 6pF internal capacitance on the RTC_CLKP pin. To bypass the crystal oscillator an external signal capable of
driving 6pF can be applied to the RTC_CLK_P terminal as shown in Figure 6(b). This signal must be 1.2V maximum.
RTC_CLK_N must be left unconnected when driving an external source into RTC_CLK_P.
Figure 6: BTLC1000 Connections to Low Frequency Crystal Oscillator
(a) Crystal oscillator is used, (b) crystal oscillator is bypassed
Table 5-6.
BTLC1000-MR110CA 32.768KHz External Clock Specification
Parameter
Min
Oscillation frequency
VinH
16
Typ
Max
32.768
0.7
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Unit
KHz
1.2
V
Comments
Must be able to drive 6pF load @ desired
frequency
High level input voltage
Parameter
Min
VinL
Stability – Temperature
Typ
Max
Unit
0
0.2
V
-250
+250
ppm
Comments
Low level input voltage
6 Characteristics
6.1 Device States
Table 6-1.
Device State
BTLC1000-MR110CA Device States
CHIP_EN
VDDIO
BLE_On_Transmit
On
On
3.0mA
0.0uA
VBAT = 3.6V @ 0dBm Pout
BLE_On_Receive
On
On
4.2mA
0.0uA
VBAT = 3.6V
Ultra Low Power
On
On
1.25uA
0.0uA
With 8KB retention memory, BLE
Timer & RTC enabled
Power_Down
GND
On
<0.05uA
<0.05uA
Chip Enable Off
IVBAT (typical)
Remark
IVDDIO (typical)
PLEASE ADD same Advertising current curves plot as BTLC1000 QFn DS stating the same conditions VBAT, POUT, full
advertising payload
6.2 Receiver Performance
Table 6-2.
BTLC1000-MR110CA Receiver Performance
Parameter
Frequency
Unit
MHz
Minimum
Typical
2,402
Maximum
2,480
Sensitivity ( max RX Gain setting)
dBm
-95
Maximum Receive Signal Level
dBm
0
CCI
dB
13
ACI (N±1)
dB
0
1
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Parameter
Unit
Minimum
Typical
N+2 Blocker (Image)
dB
-20
N-2 Blocker
dB
-30
N+3 Blocker (Adj. Image)
dB
-32
N-3 Blocker
dB
-44
N±4 or greater
dB
Intermod (N+3, N+6)
dBm
-33
OOB (2GHz<f<2.399GHz)
dBm
-15
OOB (f<2GHz)
dBm
-10
Maximum
-45
Note 1: Expected values for production silicon
All measurements performed at 3.6V VBAT and 25C, with tests following Bluetooth V4.1 standard tests
6.3 Transmitter Performance
Table 6-3.
BTLC1000-MR110CA Transmitter Performance
Parameter
Unit
Minimum
Frequency
MHz
2,402
2,480
Output Power
Range
dBm
-20
3.5
Minimum Output
Power
Typical
Maximum
-55
In-band Spurious
(N±2)
dBm
-40
In-band Spurious
(N±3)
dBm
-50
2nd Harmonic Pout
dBm
-45
Frequency Dev
kHz
250
All measurements performed at 3.6V VBAT and 25C, with tests following Bluetooth V4.1 standard tests
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7 Module Schematic
Figure8 shows the module schematic.
Figure 7 : Module Schematic
1
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8 Module Bill Of Materials
Figure 8 defines the module Bill of Materials.
Figure 8: Module Bill of Materials
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9 Application Schematic
The BTLC1000-MR110 module is fully self-contained. To use the module, just provide VBAT and VDDIO supplies.
shows a typical design using the BTLC1000-MR110 module. The schematic shows several host interfaces: UART
with Flow Control (4 wire) and SPI as well as an input to the ADC on the GPIO_MS2 pin. A user can choose the
interface(s) required for their application. If a 32.768KHz Real Time Clock is not available in the system, a
32.768KHz crystal can be used. shows a design using a crystal for the Real Time Clock. The crystal should be
specified with a load capacitance, CL=7pF and a total frequency error of 200ppm.
Figure 9: Application Schematic Including 32.768KHz Crystal
2
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Figure 10: Application Schematic Without 32.768KHz Crystal
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10 Placement and Routing Guidelines
It is critical to follow the recommendations listed below to achieve the best RF performance:

The board should have a solid ground plane. The center ground pad of the device must be solidly connected to the
ground plane by using a 3 x 3 grid of vias. Each ground pin of the module should have a ground via placed either in
the pad or right next to the pad going down to the ground plane.
When the module is placed on the motherboard, a provision for the antenna must be made. There should be
nothing under the portion of the module which contains the antenna. This means the antenna should not be placed
directly on top of the motherboard PCB. This can be accomplished by, for example, placing the module at the edge
of the board such that the module edge with the antenna extends beyond the main board edge by 6.5mm. Alternatively, a cut out in the motherboard can be provided under the antenna. The cutout should be at least 22mm x
6.5mm. Ground vias spaced 2.5mm apart should be placed all around the perimeter of the cutout. No large
components should be placed near the antenna.
Keep away from antenna, as far as possible, large metal objects to avoid electromagnetic field blocking.
Do not enclose the antenna within a metal shield.
Keep any components which may radiate noise or signals within the 2.4GHz – 2.5GHz frequency band far away
from the antenna or better yet, shield those components. Any noise radiated from the main board in this frequency
band will degrade the sensitivity of the module.




10.1 Power and Ground
Dedicate one layer as a ground plane. Make sure that this ground plane does not get broken up by routes. Power
can route on all layers except the ground layer. Power supply routes should be heavy copper fill planes to insure the
lowest possible inductance. The power pins of the module should have a via directly to the power plane as close to
the pin as possible. Decoupling capacitors should have a via right next to the capacitor pin and this via should go
directly down to the power plane – that is to say, the capacitor should not route to the power plane through a long
trace. The ground side of the decoupling capacitor should have a via right next to the pad which goes directly down
to the ground plane. Each decoupling capacitor should have it’s own via directly to the ground plane and directly to
the power plane right next to the pad. The decoupling capacitors should be placed as close to the pin that it is
filtering as possible.
11 Interferers
One of the biggest problems with RF receivers is poor performance due to interferers on the board radiating noise
into the antenna or coupling into the RF traces going to input LNA. Care must be taken to make sure that there is no
noisy circuitry placed anywhere near the antenna or the RF traces. All noise generating circuits should also be
shielded so they do not radiate noise that is picked up by the antenna. Also, make sure that no traces route
underneath the RF portion of the BTLC1000. Also, make sure that no traces route underneath any of the RF traces
from the antenna to the BTLC1000 input. This applies to all layers. Even if there is a ground plane on a layer between
the RF route and another signal, the ground return current will flow on the ground plane and couple into the RF
traces.
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12 Reference Documentation & Support
12.1 Reference Documents
Atmel offers a set of collateral documentation to ease integration and device ramp.
The following list of documents available on Atmel web or integrated into development tools.
Title
Content
Datasheet
This document
BTLC1000 SOC
Datasheet
Data sheet for the BTLC1000 SOC contained on this module.
SW Design Guide
SW Programmer
guide
24
Integration guide with clear description of: High level Arch, overview on how to
write a networking application, list all API, parameters and structures.
Features of the device, SPI/handshake protocol between device and host MCU,
with flow/sequence/state diagram, timing.
Explain in details the flow chart and how to use each API to implement all generic use cases (e.g. start AP, start STA, provisioning, UDP, TCP, http, TLS,
p2p, errors management, connection/transfer recovery mechanism/state diagram) - usage & sample App note
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13 Certifications
13.1 Agency Compliance
The BTLC1000-MR110CA has been tested and certified to meet the compliance for the following agencies:


Bluetooth 4.1
o QD ID Controller (see declaration D028678)
o QD ID Host: (see declaration D028679)
FCC
o
FCC ID: 2ADHKBTLC1000



ETSI
o
EN 300 328
o
EN 300 400 Class 2
ARIB
o

2
5
CFR47 Part 15
STD-T66
TELEC
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14 Errata
Issue:
The measured current for the cases listed in Figure 6-3 will be higher than what is
reported in the figure.
This is because the Power number values in the SDK4.0 release have not been fully
optimized to their final values.
A small sample measurement has been performed on 10 samples and they show the
following results:
Measurement condition:
-
1-sec adverting interval.
37 byte advertising payload.
Connectable beacon
Advertising on 3 channels (37,38,39).
Vbatt and VDDIO are set to 3.3V.
SAML21 has a measurement floor of 80nA which was compensated in the reported
numbers (this number varies from board to board and needs to be compensated).
The Average advertising current: 11.3uA
The Average sleep current between beacons: 1.17uA
The average current for the 10 boards was (including 80nA floor):
Sample #
Average Current (uA)
1
11.55
2
11.45
Work around:
3
11.45
4
11.7
5
11.4
6
11.25
7
10.95
8
11.2
9
11.6
10
11.4
Will be resolved in a SDK update.
For a complete listing of development-support tools & documentation, visit http://www.atmel.com/
Or contact the nearest Atmel field representative.
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15 Revision History
Doc Rev.
Date
Comments
42514C
12/2015
Updated performance numbers.
Added UART Flow Control.
Added clearer diagrams.
Added Agency Certification section.
42514B
7/16/15
Updated for B0 silicon
42514A
4/15/2015
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