Amp’ed RF, Inc.
(phone) 408 213-9530
(fax) 408 213-9533
Product Specification - Preliminary
Features
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Bluetooth Radio
Fully embedded Bluetooth v2.0 Serial and OBEX Profiles
Class 2 radio
Complete RF ready module
Wireless data communications
128-bit encryption security
Range up to 30m LOS
FCC & Bluetooth qualified
ST Micro ARM7 microprocessor up to 50MHz
Memory
256K bytes flash memory
64K bytes RAM memory
Data Rate
2M bps maximum data rate
Multipoint capability
Serial Interface
UART, up to 480K baud (up to 3.25M baud on BT22.2)
Buffered SPI interface
I2C interface
General I/O
4 general purpose I/O
1x12-bit A/D input
User Interface
AT command set
Firmware upgrade over UART
10mm x 13mm
Description
Our micro-sized Bluetooth module is one of the smallest form factors
available. The BT-22 is designed for maximum performance in a minimal
space and includes 4 general purpose input/output lines, several serial
interface options, analog-to-digital input, and up to 2M bps data throughput.
The BT-22 is a surface mount PCB module that provides fully embedded,
ready to use Bluetooth wireless technology. The reprogrammable flash
memory contains embedded firmware for serial cable replacement using the
Bluetooth SPP profile. Other popular Bluetooth profiles, such as OBEX, are
also available.
Customized firmware for peripheral device interaction, power optimization,
security, and other proprietary features may be supported and can be
ordered pre-loaded and configured.
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Additional Documentation
BT HW Design Guide
BT Getting Started Guide
abSerial User Guide
abSerial Reference Guide
©2008 Amp’ed RF Inc
1
10/07/08
1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA
www.ampedrf.com
BT-22 Datasheet
Page 1 of 11
Amp’ed RF, Inc.
(phone) 408 213-9530
(fax) 408 213-9533
Software Architecture
Upper Layer Stack: Amp’ed UP
Lower Layer Stack
Full Bluetooth v2.0 data rate (3M bps maximum)
Device power modes—active, sleep and deep sleep
Wake on Bluetooth feature—optimized power consumption of host CPU
Authentication and encryption
Encryption key length from 8-bits to 128-bits maximum
Persistent FLASH memory—for BD Address and radio parameter
storage
All ACL (Asynchronous Connection Less) packet types (DM1, DH1, DM3,
DH3, DM5, DH5, 2-DH1, 2-DH3, 2-DH5, 3-DH1, 3-DH3, 3-DH5, AUX1)
SCO (Synchronous Connection Oriented) packet types (HV1, HV2, HV3)
Point to multipoint and scatternet support—3 master and 7 slave links
allowed (10 active links simultaneously)
Park, sniff, and hold modes—fully supported to maximum allowed
intervals
Master slave switch—supported during connection and post connection
Dedicated Inquiry Access Code—for improved inquiry scan performance
Dynamic packet selection—channel quality driven data rate to optimize
link performance
Dynamic power control—interference reduction and link performance
Bluetooth test modes—per Bluetooth v2.0 specification
802.11b co-existence—AWMA and AFH
Vendor specific HCI commands—to support device configuration and
certification test modes
SPP, OBEX, SDAP, GAP, and DUN protocols
RFComm, SDP, and L2CAP supported
Multipoint with 7 simultaneous slaves
HCI Interface
Bluetooth v2.0 specification compliant
HCI UART transport layer (H4)
AT Command Set: abSerial
Please see
abSerial Reference Guide
for details
©2008 Amp’ed RF Inc
2
10/07/08
1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA
www.ampedrf.com
BT-22 Datasheet
Page 2 of 11
Amp’ed RF, Inc.
(phone) 408 213-9530
(fax) 408 213-9533
Hardware Specifications
General Conditions (V
IN
= 3.0V and 25°C)
Recommended Operating Conditions
Rating
Operating Temperature Range
Supply Voltage V
IN
Signal Pin Voltage
RF Frequency
Min
-40
2.85
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2400
Typical
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3.0
3.0
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Max
85
3.4
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2483.5
Unit
°C
Volts
Volts
MHz
Absolute Maximum Ratings
Rating
Storage temperature range
Supply voltage, V
IN
I/O pin voltage, V
IO
RF input power
Min
-55
-0.3
-0.3
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Typical
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Max
+150
+ 3.6
+ 4.0
-5
Unit
°C
Volts
Volts
dBm
Current Consumption
Modes
Typical Power Consumption
ACL data 115K Baud UART at max throughput (Master)
ACL data 115K Baud UART at max throughput (Slave)
Connection, no data traffic, master
Connection, no data traffic, slave
Standby, without deep sleep
Avg
33.0
34.0
16.0
24.0
14.0
Unit
I/O Operating Characteristics
mA
mA
mA
mA
mA
Symbol
V
IL
V
IH
V
OL
V
OH
I
OL
I
OH
BT Spec
Typical
50
Unit
ohm
dBm
dBm
R
PU
R
PD
Parameter
Low-Level Input Voltage
High-Level Input Voltage
Low-Level Output Voltage
High-Level Output Voltage
Low -Level Output Current
High-Level Output Current
Pull-up Resistor
Pull-down Resistor
Min
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2.1
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2.2
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80
80
Max
0.9
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0.4
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4.0
4.0
120
120
Unit
Volts
Volts
Volts
Volts
mA
mA
KΩ
KΩ
Conditions
V
IN
, 3.0V
V
IN
, 3.0V
V
IN
, 3.0V
V
IN
, 3.0V
V
OL
= 0.4 V
V
OH
= 2.2 V
Resistor Turned On
Resistor Turned On
Selected RF Characteristics
Parameters
Antenna load
Radio Receiver
Sensitivity level
Maximum usable level
Input VSWR
Radio Transmitter
Maximum output power
50
Ω
load
-6 to +4
± 75
≤
1000
+5
0
932
dBm
kHz
kHz
Initial Carrier Frequency Tolerance
20 dB Bandwidth for modulated carrier
BER < .001 with DH5
BER < .001 with DH1
≤
-70
≥
-20
-84
-9
2.5:1
Conditions
©2008 Amp’ed RF Inc
3
10/07/08
1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA
www.ampedrf.com
BT-22 Datasheet
Page 3 of 11
Amp’ed RF, Inc.
(phone) 408 213-9530
(fax) 408 213-9533
Pin Assignment
Name
Type
UART Interface
RXD
TXD
CTS
RTS
Antenna
ANT
STDBYN
V
in
GND
Reset
RESETN
GPIO [1]
GPIO [2]
GPIO [3]
GPIO [4]
I
I/O
I/O
I/O
I/O
10
1
2
3
4
Reset input (active low for 5 ms);
General Purpose Input/Output
General Purpose Input/Output
General Purpose Input/Output
General Purpose Input/Output
SPI MISO
SPI MOSI
SPI SCLK/ADC 0
SPI SS
GPIO – General Purpose Input/Output
RF I/O
I
6
9
8
5, 7
50Ω Rx/Tx antenna port
Standby
V
in
GND
Reserved – Future Boot 0
Power and Ground
I
O
I
O
Pin #
13
14
11
12
Description
Receive data
Transmit data
Clear to send (active low)
Request to send (active low)
I2C Data
I2C Clock
ALT Function
©2008 Amp’ed RF Inc
4
10/07/08
1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA
www.ampedrf.com
BT-22 Datasheet
Page 4 of 11
Amp’ed RF, Inc.
(phone) 408 213-9530
(fax) 408 213-9533
Layout Drawing, BT-22 (Standard Size)
Size: 10 mm x 13.1 mm x 2.2 mm (heigth)
©2008 Amp’ed RF Inc
5
10/07/08
1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA
www.ampedrf.com
BT-22 Datasheet
Page 5 of 11
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