DVK-BTM521 Laird Technologies, DVK-BTM521 Datasheet - Page 54

• Manufacturer Part Number: DVK-BTM521
• Description: BT MM DEV KIT
• Manufacturer: Laird Technologies
• Type: Transceiver, Bluetoothr

Specifications of DVK-BTM521

• Frequency: 2.4GHz
• Interface Type: RS-232
• Processor Series: BTM521
• Silicon Manufacturer: Laird Technologies
• Kit Application Type: Communication & Networking
• Application Sub Type: Bluetooth
• Kit Contents: Development Board & Software Tools
• Features: Supports CSR
• Rohs Compliant: Yes
• For Use With/related Products: BTM521
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: DVK-BTM521

BTM520/521
Bluetooth
AT COMMAND SET
REFERENCE
54 www.lairdtech.com
®
Multimedia Plus Module
Message
CONNECT 123456789012,110E,>
CONNECT 123456789012,110E,<
NO CARRIER 110E
NO CARRIER
AVUR 0<n>,<unit_id>,<unit_type
AVUR <n>
AVRC Response Type
Not implemented
Accepted
Rejected
(note: incoming pass through commands (AVPTI) will not be displayed to
the host if this is the value of S311)
In transition
Stable
Changed
Interim
Bad profile
(n>0)
Unit / Subunit Type
Monitor
Audio
Printer
Disc
Tape recorder player
Tuner
CA
Camera
Reserved
Panel
Bulletin board
Camera storage
Vendor unique
Reserved for all
Extended
Unit
hex
> <company_id
Table 3.21: AV/C Unit/Subunit Types
Table 3.22: AVRC Response Types
hex
> Successful response to AT+AVU (UNIT INFO
Value
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x1C
0x1D
0x1E
0x1F
Comment
Outgoing AVRCP connection established
‘123456789012’ – bd_addr of peer device
‘110E’ – UUID indicating AVRCP
Incoming AVRCP connection established
‘123456789012’ – bd_addr of peer device
AVRCP connection rejected or closed
All Connections closed
Request), indicates completion of command
<unit_id
<unit_type>: see Table 3.21
<company_id>: IEEE Company ID
Unsuccessful response to AT+AVU (UNIT INFO
Request), indicates completion of command
<n> = status
‘110E’ – UUID indicating AVRCP
hex
Read-Value (S311,
sent in response)
8
9
10
11
12
13
15
16
>: Unit ID
dec
:
1 – fail
4 – timeout
Write-Value (S311) or
AT+AVR<parameter>
0
1
2
3
4
5
6
7
Laird Technologies