User Manual

Application Schematic
Title
Size Document Number Rev
Date: Sheet of
<Doc> <Rev Code>
<Title>
A
1 1Thursday , June 24, 2010
TP6
TP5
C69
0.22uF
L7
TP7
R69
100K
C70
2.2uF
C71
CAP NP
L8
INDUCTOR
C72
CAP NP
R70
27
C73
2.2uF
R71
27
SW5
12
E3
ANTENNA
1
TP8
R72
330
J2
USB JACK
VCC
1
D-
2
D+
3
GND
4
U2
XC6209
VOUT
5
NC
4
GND
2
VIN
1
CE
3
D16
Blue LED / AP2012PBC
3.3V
3.3V
3.3V
3.3V
TX
RX
Link
ANTENNA
matching
circuit
TO Host
R73
330
D17
LED
R74
330
D18
LED
Data
C74
0.1u
U1
BTM-222
GND
1
+V_PA
2
RESET
16
SPIMISO
34
SPIMOSI
31
SPICSB
32
SPICLK
33
UART_CTS
30
UART_TX
27
UART_RTS
28
UART_RX
26
AIO0
3
USBDN
21
USBDP
20
PCM_IN
23
PCM_CLK
25
PCM_OUT
24
PCM_SYNC
22
AIO1
4
3V3
17
GND
19
PIO2
7
PIO3
8
PIO4
9
PIO5
11
PIO6
12
PIO7
13
PIO8
14
PIO1
6
PIO0
5
PIO10
36
PIO9
15
RFIO
37
GND
38
GND
29
PIO11
35
GND
39
GND
40
GND
10
GND
18
SPP AT Command sets
+++
(Escape
Sequence)
When the device is in Data mode, it can be forced back into Command mode while
maintaining the connection to the remote device. The sequence characters should be
with 1000ms guard time
When it’s in master mode. This command establish a connection. When it’s in slave
mode, the command will be rejected.
Modifiers Description
A Connect to a device which has been assigned by “ATD= xxxxxxxxxxxx”
A
(
Establish a
connection)
A1~A8 Connect to a device1~8 in neighborhood found through “ATF?”.
This command display the local device BD address
Modifiers Description
B
(Display local
BD address)
B? Inquire the Local BD address
This command enable or disable flow control signals (CTS/RTS) of the COM port. Note,
the setting is not affected by ATZ0 but will cause a reboot
Modifiers Description
C
(Flow
Control)
C0
Disable flow control.