Technical Manual

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

4. Hardware Interface

4.1. Module Pin Assignments

Signal Name Function Direction Pin #

GROUND Power supply return 1

PCM_OUT Serial data from audio CODEC IN 2

PCM_IN Serial data to audio CODEC OUT 3

PIO_1 Generic I/O local host OUT 4

PIO_4 Generic I/O local host RS232 (DTR) OUT 5

UART_RXD Serial data from local host RS232 (RXD) IN 6

UART_TXD Serial data to local host RS232 (TXD) OUT 7

RESET Reset module when HIGH IN 8

PIO_3 Generic I/O local host RS232 (DSR) IN 9

SPI_CSB SPI chip select IN 10

GROUND Power supply return 11

UART_RTS Local host must not send when HIGH OUT 12

SPI_CLK SPI Clock IN 13

UART_CTS Module must not send when HIGH IN 14

PCM_SYNC Audio CODEC signal OUT 15

PIO_2 Generic I/O local host RS232 (DCD) IN 16

SPI_MOSI SPI master out slave in IN 17

PCM_CLK Audio CODEC signal OUT 18

SPI_MISO SPI master in slave out OUT 19

VCC_3.3V Power supply 20

Table 6: Module Pin Assignment