KITMMA9550LEVM Freescale Semiconductor, KITMMA9550LEVM Datasheet - Page 15

• Manufacturer Part Number: KITMMA9550LEVM
• Description: Acceleration Sensor Development Tools EVM KIT FOR MMA9550L
• Manufacturer: Freescale Semiconductor

Specifications of KITMMA9550LEVM

• Rohs: yes
• Tool Is For Evaluation Of: MMA955xL
• Acceleration: 2 g, 4 g, 8 g
• Sensing Axis: Triple Axis
• Interface Type: I2C, SPI
• Operating Voltage: 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Current: 3.1 mA
• Output Type: Analog, Digital

3.4.4
The MMA955xL device includes a powerful, 32-bit ColdFire V1 CPU; a second, I
features can all be monitored using the on-chip ADC.
The combination of low power consumption and powerful features mean that the MMA955xL platform can effectively operate as
a power controller for handheld units such as cell phones, PDAs, and games. The host platform can put itself to sleep with con-
fidence that the MMA955xL device will issue a wake request should any external event require its attention.
The following figure illustrates the MMA955xL device being used in this configuration. Observe how all that is required is a few
bypass capacitors, a ferrite bead, and some pullup resistors for the I
Sensors
Freescale Semiconductor, Inc.
I2C_DATA
RESETB
I2C_CLK
MMA955xL Platform as a Sensor Hub
4.7KΩ
R3
1.8V
C4
1μF
1.8V
1.8V
R2
4.7KΩ
R1
4.7KΩ
C3
0.1μF
1
2
3
4
5
U1
MMA955X
VDD
BKGD/MS/IO9
RESETB
SCL0/IO0/SCLK
VSS
Figure 9. Platform as sensor hub
Quiet VDDA for
best performance
IO5/PDB_A/INT_O
0.1μF
C2
IO7/AN1
IO6/AN0
IO4/INT
2
C buses.
VSS
4.7KΩ
13
12
11
10
9
R3
C1
1μF
1.8V
1
L1
10μF BEAD
2
C bus; and one, external analog input. These
R4
4.7KΩ
2
1.8V
INT_OUT
INT_IN
I2C_DATA
I2C_CLK
Differential
Analog
Sensor
I2C Digital
Sensors
MMA955xL
15