Maestro A2200-A Manual do Utilizador descarregar pdf (Página 22)

V1.0 – Aug-13

User’s Manual

Page 22 of 37

Table 5: Pin description A2235-H

ExtInt

(GPIO8)

Input

Interrupt input for MEMS interface (If ExtInt is not going to

be used, it is recommended that this pin be tied directly to

ground. Otherwise, a 100K pull-down resistor to ground

should be connected to the ExtInt pin.)

TX0 /

(SPI DO)

Output

Serial output 0.NMEA out if configured for UART;

SPI data out pin when module works in SPI mode.

RX0 /

(SPI DI) /

(Host Port

I2C_DIO)

Input

Serial input 0.NMEA in if configured for UART;

SPI data in pin when module works in SPI mode;

Host port I2C data I/O pin when module works in hist port

I2C mode.

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