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BTM442 Datasheet(PDF) 6 Page - Laird Tech Smart Technology |
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BTM442 Datasheet(HTML) 6 Page - Laird Tech Smart Technology |
6 / 28 page BTM44x Datasheet Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/wireless 6 © Copyright 2015 Laird. All Rights Reserved Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852 2923 0610 2 HARDWARE SPECIFICATIONS Pin Definitions Table 1: Pin definitions 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 I/O for host- 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 See note 3 29 ANT (BTM440 / 442 only) Antenna connection (50 ohm matched) See note 3 30 GND See note 3 31 Unused See note 3 32 Unused See note 3 33 Unused See note 3 34 Unused See note 3 |
Similar Part No. - BTM442 |
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Similar Description - BTM442 |
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