BTM44X Datasheet, PDF (6/28 Pages) Laird Tech Smart Technology – modules from Laird Technologies have been designed to meet the needs of developers

BTM44x
Datasheet
2 HARDWARE SPECIFICATIONS
Pin Definitions
Table 1: Pin definitions
Signal
1 Unused
2 GND
3 UART_CTS
4 UART_RXD
5 UART_RTS
6 UART_TXD
7 GND
8 SPI_CSB
9 SPI_MISO
10 SPI_MOSI
11 SPI_CLK
12 VDD_USB
13 VDD_IO
14 VDD_IN
15 GND
16 PCM_IN
17 PCM_SYNC
18 PCM_CLK
19 PCM_OUT
20 RESET
21 GPIO4
22 GPIO2 / UART_DCD
23 GND
24 Unused
25 Unused
26 Unused
27 Unused
28 GND
29 ANT (BTM440 / 442 only)
30 GND
31 Unused
32 Unused
33 Unused
34 Unused
Description
Clear to Send I/P
Receive data I/P
Request to Send O/P
Transmit data O/P
SPI bus chip select I/P
SPI bus serial O/P
SPI bus serial I/P
SPI bus clock I/P
USB & UART supply voltage
I/O supply voltage
Main supply voltage
PCM Data I/P
PCM sync I/P
PCM clock I/P
PCM Data O/P
Module reset I/P
I/O for host- BT_Active BT_State
I/O for host
See note 3
See note 3
See note 3
See note 3
Antenna connection (50 ohm
matched)
See note 3
See note 3
See note 3
See note 3
See note 3
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
6
© Copyright 2015 Laird. All Rights Reserved
Voltage Specification
VUSB
VUSB
VUSB
VUSB
VIO
VIO
VIO
VIO
VIO
VIO
VIO
VIO
See note 2
VIO
VIO
See note 3
Americas: [phone]
Europe: [phone]
Hong Kong: [phone]