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MMA6901Q 数据表(PDF) 7 Page - Freescale Semiconductor, Inc

部件名 MMA6901Q
功能描述  High Accuracy Low g Inertial Sensor MEMS Sensing, State Machine ASIC
PDF  36 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MMA6901Q 数据表(HTML) 7 Page - Freescale Semiconductor, Inc

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Sensors
Freescale Semiconductor
7
MMA690xQ
SECTION 2 INTERNAL MODULES
2.1
DATA ARRAY
A 400-bit data array allows each device to be customized. The array interface incorporates parity circuitry for fault detection
along with a locking mechanism, to prevent unintended changes. Portions of the array are reserved for factory-programmed trim
values. Customer accessible data stored in the array are shown in the Table 2-1.
Addresses $00 - $0D are associated with the data array. A writable register at address $0E is provided for device control
operations. Two read-only registers at addresses $0F and $10 provide status information.
Unused bits within the data array are always read as ‘0’ values. Unprogrammed OTP bits are also read as ‘0’ values.
F: Factory programmed OTP location
R: Read-only register
R/W: Read/write register
N/A: Not applicable
Table 2-1. DSP Configuration Register
Location
Bit Function
Type
Addr
Register
7
6
5
4
3
2
1
0
$00
SN0
SN[7]
SN[6]
SN[5]
SN[4]
SN[3]
SN[2]
SN[1]
SN[0]
F/R
$01
SN1
SN[15]
SN[14]
SN[13]
SN[12]
SN[11]
SN[10]
SN[9]
SN[8]
$02
SN2
SN[23]
SN[22]
SN[21]
SN[20]
SN[19]
SN[18]
SN[17]
SN[16]
$03
SN3
SN[31]
SN[30]
SN[29]
SN[28]
SN[27]
SN[26]
SN[25]
SN[24]
$04
DEVCFG0
0
0
0
0
RNG[3]
RNG[2]
RNG[1]
RNG[0]
F/R
$05
DEVCFG1
0
0
0
0
RNG[3]
RNG[2]
RNG[1]
RNG[0]
$06
DEVCFG2
0
0
0
0
0
0
0
0
$07
DEVCFG3
0
0
0
0
0
0
0
0
$08
DEVCFG4
0
0
0
0
0
0
0
0
$09
DEVCFG5
1
0
1
0
0
0
0
0
$0A
AXCFG_X
0
1
0
1
0
1
0
1
F/R
$0B
AXCFG_Y
0
1
0
1
0
1
0
1
$0C
Unused
N/A
$0D
DSPCFG
0
0
1
0
0
1
0
0
F/R
$0E
DEVCTL
RES_1
RES_0
CE
PCM_EN
HPFB
YINV
ST1
ST0
R/W
$0F
TEMP
TEMP[7]
TEMP[6]
TEMP[5]
TEMP[4]
TEMP[3]
TEMP[2]
TEMP[1]
TEMP[0]
R
$10
DEVSTAT
IDE
OSCF
DEVINIT
TF
0
0
0
DEVRES
$11
COUNT
COUNT[7]
COUNT[6]
COUNT[5]
COUNT[4]
COUNT[3]
COUNT[2]
COUNT[1]
COUNT[0]
$24
ACC_X11L
ACC_X[7]
ACC_X[6]
ACC_X[5]
ACC_X[4]
ACC_X[3]
ACC_X[2]
ACC_X[1]
ACC_X[0]
$25
ACC_X11H
0
0
0
0
0
ACC_X[10]
ACC_X[9]
ACC_X[8]
$26
ACC_Y11L
ACC_Y[7]
ACC_Y[6]
ACC_Y[5]
ACC_Y[4]
ACC_Y[3]
ACC_Y[2]
ACC_Y[1]
ACC_Y[0]
$27
ACC_Y11H
0
0
0
0
0
ACC_Y[10]
ACC_Y[9]
ACC_Y[8]



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