MMA7455LT Freescale Semiconductor, MMA7455LT Datasheet - Page 23

Board Mount Accelerometers 3-AXIS DIGITAL 2 4 8G

MMA7455LT

Manufacturer Part Number
MMA7455LT
Description
Board Mount Accelerometers 3-AXIS DIGITAL 2 4 8G
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MMA7455LT

Sensing Axis
X, Y, Z
Acceleration
2 g, 4 g, 8 g
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.4 V
Supply Current
400 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Sensitivity
64 LSB/g
Package / Case
LGA-14
Output Type
Digital
Acceleration Range
± 2g, ± 4g, ± 8g
No. Of Axes
3
Sensor Case Style
LGA
No. Of Pins
14
Supply Voltage Range
2.4V To 3.6V
Operating Temperature Range
-40°C To +85°C
Filter Terminals
SMD
Rohs Compliant
Yes
Ic Interface Type
I2C, SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Manufacturer
Quantity
Price
Part Number:
MMA7455LT
Manufacturer:
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18 300
Part Number:
MMA7455LT
Manufacturer:
FREESCALE
Quantity:
20 000
Part Number:
MMA7455LT
Quantity:
10
$08: 8bits Output Value Z (Read only)
Signed byte data (2’s complement): 0g = 8’h00
$09: Status Register (Read only)
DRDY
1: Data is ready
0: Data is not ready
DOVR
1: Data is over written
0: Data is not over written
$0A: Detection Source Register (Read only)
LDX
1: Level detection detected on X-axis
0: Level detection not detected on X-axis
LDY
1: Level detection detected on Y-axis
0: Level detection not detected on Y-axis
LDZ
1: Level detection detected on Z-axis
0: Level detection not detected on Z-axis
PDX *Note
1: Pulse is detected on X-axis at single pulse detection
0: Pulse is not detected on X-axis at single pulse detection
PDY *Note
1: Pulse is detected on Y-axis at single pulse detection
0: Pulse is not detected on Y-axis at single pulse detection
$0D: I
I2CDIS
0: I
1: I
DVAD[6:0]: I
$0E: User Information (Read Only: Optional)
UI2[7:0]: User information
Sensors
Freescale Semiconductor
ZOUT[7]
2
2
I2CDIS
C and SPI are available.
C is disabled.
0/OTP
UI[7]
LDX
D7
D7
D7
D7
D7
2
0
--
0
0
0
C Device Address (Bit 6-0: Read only, Bit 7: Read/Write)
2
C device address
ZOUT [6]
DVAD[6]
0/OTP
UI[6]
LDY
D6
D6
D6
D6
D6
0
--
0
0
0
ZOUT [5]
DVAD[5]
0/OTP
UI[5]
LDZ
D5
D5
D5
D5
D5
0
--
0
0
0
ZOUT [4]
DVAD[4]
0/OTP
UI[4]
PDX
D4
D4
D4
D4
D4
0
--
1
0
0
ZOUT [3]
DVAD[3]
0/OTP
UI[3]
PDY
D3
D3
D3
D3
D3
0
--
0
1
0
PERR
1: Parity error is detected in trim data. Then, self-test is dis-
abled
0: Parity error is not detected in trim data
PDZ *Note
1: Pulse is detected on Z-axis at single pulse detection
0: Pulse is not detected on Z-axis at single pulse detection
INT1
1: Interrupt assigned by INTRG[1:0] bits in Control 1
Register ($18) and is detected
0: Interrupt assigned by INTRG[1:0] bits in Control 1
Register ($18) and is not detected
INT2
1: Interrupt assigned by INTRG[1:0] bits in Control 1
Register ($18) and is detected
0: Interrupt assigned by INTRG[1:0] bits in Control 1
Register ($18) and is not detected
*Note: Must define DRDY to be an output to either INT1 or
not. This is done through bit DRPD located in Register $16.
Note: This bit value is not valid at double pulse detection
ZOUT [2]
DVAD[2]
0/OTP
PERR
UI[2]
PDZ
D2
D2
D2
D2
D2
0
1
0
0
ZOUT [1]
DVAD[1]
0/OTP
DOVR
INT2
UI[1]
D1
D1
D1
D1
D1
0
0
0
0
ZOUT [0]
DVAD[0]
0/OTP
DRDY
UI[0]
INT1
D0
D0
D0
D0
D0
0
1
0
0
MMA7455L
Function
Function
Function
Function
Function
Default
Default
Default
Default
Default
Bit
Bit
Bit
Bit
Bit
23

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