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MMA6519KW 数据表(PDF) 46 Page - Freescale Semiconductor, Inc

部件名 MMA6519KW
功能描述  Dual-Axis SPI Inertial Sensor
PDF  56 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MMA6519KW 数据表(HTML) 46 Page - Freescale Semiconductor, Inc

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Sensor
46
Freescale Semiconductor, Inc.
MMA65xx
4.1
SPI Command Format
Commands are transferred from the SPI master to the device. Valid commands fall into two categories: register operations,
and acceleration data requests.
Table 29. SPI Command Message Summary
MSB
LSB
15
14
13
12
11
10
987654
3210
0
AX
A
OC
0
0
0
0
0
0
0
0
1
SD
ARM
P
Command Type
Reference
AX= Axis Selection
0
X-Axis Acceleration Data
1
Y-Axis Acceleration Data
A = Acceleration Data Request
0
Register Operation
1
Acceleration Data Request
OC = Offset Cancelled Data Confirmation
0
Offset Cancelled Data Enabled
1
Raw Acceleration Data Enabled
SD = Signed Data Confirmation
Signed Data Enabled
0
Unsigned Data Enabled
1
ARM = ARM Function Status Confirmation
Disabled / PCM Output Enabled
0
Arming Function Enabled
1
P = Odd Parity
0
AX
A
OC
0
0
0
0
0
0
0
0
0
SD
ARM
P
Accel Data
001000000000
1001
X-Axis OC, Signed, Disabled/PCM
001000000000
1010
X-Axis OC, Signed, ARM Enabled
001000000000
1100
X-Axis OC, Unsigned, Disabled/PCM
001000000000
1111
X-Axis OC, Unsigned, ARM Enabled
001100000000
1000
X-Axis Raw, Signed, Disabled/PCM
001100000000
1011
X-Axis Raw, Signed, ARM Enabled
001100000000
1101
X-Axis Raw, Unsigned, Disabled/PCM
001100000000
1110
X-Axis Raw, Unsigned, ARM Enabled
011000000000
1000
Y-Axis OC, Signed, Disabled/PCM
011000000000
1011
Y-Axis OC, Signed, ARM Enabled
011000000000
1101
Y-Axis OC, Unsigned, Disabled/PCM
011000000000
1110
Y-Axis OC, Unsigned, ARM Enabled
011100000000
1001
Y-Axis Raw, Signed, Disabled/PCM
011100000000
1010
Y-Axis Raw, Signed, ARM Enabled
011100000000
1100
Y-Axis Raw, Unsigned, Disabled/PCM
011100000000
1111
Y-Axis Raw, Unsigned, ARM Enabled
P
AX
A
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Command Type
Reference
P0
0
A4
A3
A2
A1
A0
0000
0000
Register Read
Section 4.4
Register Address
P1
0
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
Register Write
Section 4.4
Register Address
Data to be Written to Register
P = Odd Parity



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