PMMA7450LR2 Freescale Semiconductor, Inc, PMMA7450LR2 Datasheet - Page 13

• Manufacturer Part Number: PMMA7450LR2
• Description: ?2g/?4g/?8g Three Axis Low-g Digital Output Accelerometer
• Manufacturer: Freescale Semiconductor, Inc

Sensors
Freescale Semiconductor
Table 7. User Register Summary
Address
$1A
$1B
$1C
$1D
$1E
$10
$11
$12
$13
$14
$15
$16
$17
$18
$19
$1F
INTRST
XOFFH
YOFFH
ZOFFH
XOFFL
YOFFL
ZOFFL
Name
MCTL
PDTH
LDTH
CTL1
CTL2
PW
TW
LT
Pulse detection threshold limit value
Level detection threshold limit value
Time window for 2
Offset drift X value (MSB)
Offset drift Y value (MSB)
Offset drift Z value (MSB)
Offset drift X value (LSB)
Offset drift Y value (LSB)
Offset drift Z value (LSB)
Pulse duration value
Interrupt latch reset
Latency time value
Mode control
Definition
(Reserved)
Control 1
Control 2
nd
pulse value
XOFF[7]
YOFF[7]
PDTH[7]
ZOFF[7]
LDTH[7]
LPEN
TW[7]
Bit 7
PD[7]
LT[7]
--
--
--
--
--
--
--
PDTH[6]
XOFF[6]
YOFF[6]
ZOFF[6]
LDTH[6]
THOPT
DRPD
TW[6]
Bit 6
PD[6]
LT[6]
--
--
--
--
--
--
XOFF[5]
YOFF[5]
PDTH[5]
ZOFF[5]
LDTH[5]
SPI3W
TW[5]
Bit 5
PD[5]
LT[5]
ZDA
--
--
--
--
--
--
PDTH[4]
XOFF[4]
YOFF[4]
ZOFF[4]
LDTH[4]
STON
TW[4]
Bit 4
PD[4]
LT[4]
YDA
--
--
--
--
--
--
XOFF[3]
YOFF[3]
PDTH[3]
ZOFF[3]
GLVL[1]
LDTH[3]
TW[3]
Bit 3
PD[3]
LT[3]
XDA
--
--
--
--
--
--
XOFF[10]
YOFF[10]
ZOFF[10]
INTRG[1] INTRG[0]
PDTH[2]
XOFF[2]
YOFF[2]
ZOFF[2]
GLVL[0]
LDTH[2]
DRVO
TW[2]
Bit 2
PD[2]
LT[2]
--
--
CLRINT2 CLRINT1
XOFF[1]
XOFF[9]
YOFF[1]
YOFF[9]
ZOFF[1]
ZOFF[9]
LDTH[1]
PDTH[1]
MOD[1]
TW[1]
PDPL
PD[1]
Bit 1
LT[1]
--
MMA7450L
PDTH[0]
XOFF[0]
XOFF[8]
YOFF[0]
YOFF[8]
ZOFF[0]
ZOFF[8]
LDTH[0]
MOD[0]
INTPIN
TW[0]
Bit 0
LDPL
PD[0]
LT[0]
--
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