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BTM430 bảng dữ liệu(PDF) 7 Page - Laird Tech Smart Technology

tên linh kiện BTM430
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BTM430/431
Bluetooth® AT Data Module Datasheet
Embedded Wireless Solutions Support
Center: http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
7
Laird Technologies
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
2.2
Pin Definitions
Table 2: Pin Definitions
Pin
Signal
Description
Voltage Specification
1
Unused
2
GND
3
UART_CTS
Clear to Send I/P
VUSB
4
UART_RXD
Receive data I/P
VUSB
5
UART_RTS
Request to Send O/P
VUSB
6
UART_TXD
Transmit data O/P
VUSB
7
GND
8
SPI_CSB
SPI bus chip select I/P
VIO
9
SPI_MISO
SPI bus serial O/P
VIO
10
SPI_MOSI
SPI bus serial I/P
VIO
11
SPI_CLK
SPI bus clock I/P
VIO
12
VDD_USB
USB & UART supply voltage
13
VDD_IO
I/O supply voltage
14
VDD_IN
Main supply voltage
15
GND
16
PCM_IN
PCM data I/P
VIO
17
PCM_SYNC
PCM sync I/P
VIO
18
PCM_CLK
PCM clock I/P
VIO
19
PCM_OUT
PCM Data O/P
VIO
20
RESET
Module reset I/P
See note 2
21
GPIO4
BT_ACTIVE / BT_STATE
VIO
22
GPIO2 / UART_DCD
I/O for host
VIO
23
GND
24
Unused
25
Unused
See note 3
26
Unused
See note 3
27
Unused
See note 3
28
GND (BTM430 only)
See note 3
29
ANT (BTM430 only)
Antenna connection (50 ohm
matched)
See note 3
30
GND (BTM430 only)
See note 3
31
Unused
See note 3
32
Unused
See note 3
33
Unused
See note 3
34
Unused
See note 3
35
Unused
See note 3
36
Unused
See note 3
37
Unused
See note 3
38
Unused



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