IST GmbH 465BT01 Manuale Utente
465BT-01
User manual Installation
Released by:
Mü
Approved by:
Date:
2014-03-21
Issue :
V1.0
1 / [5]
Description:
The Product BT465 is an Audio Streaming module based on the APM8262 Chip from APM.
The specified profiles are preloaded in the memory. Necessary communication with the Host processor will be
done with a few UART commands.
The specified profiles are preloaded in the memory. Necessary communication with the Host processor will be
done with a few UART commands.
1. Pin Assignment and Interface description
The connector is a standard 20pin 2 Row 2.54mm Header:
Pin
Name
Function
If not used
1
ana R
Analog Audio right out isn’t supported yet - leave vacant
lv.
2
GND
GND
mandatory
3
ana L
Analog Audio left out isn’t supported yet - leave vacant
lv.
4
GND
GND
mandatory
5
Vcc5
For future purpose (analog audio out) - leave vacant
lv.
6
Vcc3V3
Supply 3.3V -
decouple with 10nF / 100nF Ceramic Cap
mandatory
7
GND
GND
mandatory
8
MLK
Not supported - leave vacant
lv.
9
WS
I2S L/R Clock
lv.
10
I2S Clk
I2S Bit clock
lv.
11
I2SDat
I2S Data
lv.
12
res
Reset active low resets the BT module - connect to MCU
lv.
13
RX1
UART RX - connect to TX of MCU
lv.
14
TX1
UART TX - connect to RX of MCU
lv.
15
RX2
Not supported by FW - leave vacant
lv.
16
TX2
Not supported by FW - leave vacant
lv.
17
GPIO1
Not supported by FW - leave vacant
lv.
18
GPIO2
Not supported by FW - leave vacant
lv.
19
GPIO3
Wake signal --
during an active BT connection this Signal will be
periodically triggered. This signal can be used to wake the Host
system from StBy.
lv.
20
GPIO4
Not supported by FW - leave vacant
lv.
Fig. 3 Pin out of interface connector