FMT1000 Datasheet, PDF (6/29 Pages) Fairchild Semiconductor – Motion Tracking Module with Output of Orientation, Inertial Motion Data and Magnetic Field

1.6 Pin Descriptions
Name
Type
Description
Power Interface
VDD
Power
Power supply voltage for sensing elements.
VDDIO
Power
Digital I/O supply voltage.
Controls
PSEL0
PSEL1
These pins determine the signal interface. See table below. Note that when the
Selection Pins PSEL0/PSEL1 is not connected, its value is 1. When PSEL0/PSEL1 is connected
to GND, its value is 0.
nRST
Active low reset pin. Only drive with an open drain output or momentary (tactile)
switch to GND. During normal operation this pin must be left floating, because this
line is also used for internal resets. This pin has a weak pull-up to VDDIO.
ADD2
ADD1
Selection Pins I²C address selection lines.
ADD0
Signal Interface
I2C_SDA
I2C_SCL
I²C Interface
I²C serial data.
I²C serial clock.
SPI_nCS
SPI chip select (active low).
SPI_MOSI
SPI_MISO
SPI serial data input (slave).
SPI Interface
SPI serial data output (slave).
SPI_SCK
SPI serial clock.
RTS
Hardware flow control in UART full duplex mode (Ready-to-Send).
CTS
Hardware flow control in UART full duplex mode (Clear-to-Send).
nRE
UART
Receiver control signal in UART half duplex mode.
DE
Interface _{Transmitter control signal in UART half duplex mode.}
UART_RX
Receiver data input.
UART_TX
Transmitter data output.
SYNC_IN
DRDY
Sync Interface SYNC_IN accepts a trigger which sends out the latest available data message
Data Ready Data ready pin indicates that data is available (SPI / I²C).
© 2015 Fairchild Semiconductor Corporation
FMT1000-series • Rev. 1.0
6
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