I3G4250D Datasheet, PDF (8/43 Pages) STMicroelectronics – 3-axis digital output gyroscope

Block diagram and pin description
I3G4250D
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
Vdd_IO
SCL
SPC
SDA
SDI
SDO
SDO
SA0
CS
DRDY/INT2
INT1
Reserved
Reserved
Reserved
Reserved
Reserved
GND
PLLFILT
Reserved
Vdd
Table 2. Pin description
Function
Power supply for I/O pins
I²C serial clock (SCL)
SPI serial port clock (SPC)
I²C serial data (SDA)
SPI serial data input (SDI)
3-wire interface serial data output (SDO)
SPI serial data output (SDO)
I²C least significant bit of the device address (SA0)
SPI enable
I²C/SPI mode selection (1: SPI idle mode / I²C communication
enabled; 0: SPI communication mode / I²C disabled)
Data ready/FIFO interrupt
Programmable interrupt
Connect to GND
Connect to GND
Connect to GND
Connect to GND
Connect to GND
0 V supply
Phase-locked loop filter (see Figure 3)
Connect to Vdd
Power supply
Figure 3. I3G4250D external low-pass filter
WRSLQ
&DSDFLWRUIRU
/RZSDVVILOWHU
&
Note:
&
5
Pin 14 PLLFILT maximum voltage level is equal to Vdd.
*1'
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DocID027628 Rev 2