mma1605wr2 Freescale Semiconductor, Inc, mma1605wr2 Datasheet - Page 13

• Manufacturer Part Number: mma1605wr2
• Description: Dsi Inertial Sensor
• Manufacturer: Freescale Semiconductor, Inc

Table 2. User Accessible Data
3
3.1
array, an OTP user programmable array, and read only registers for device status. The OTP arrays incorporate independent CRC
circuitry for fault detection (reference
grammed trim values. The user accessible data is shown in the table below.
3.1.1
ber is composed of the following information:
sequentially assigned. No lot will contain more devices than can be uniquely identified by the 13-bit serial number. Depending on
lot size and quantities, all possible lot numbers and serial numbers may not be assigned.
regarding the CRC verification. Beyond this, the contents of the serial number registers have no impact on device operation or
performance, and are only used for traceability purposes.
RA[3:0]
Sensors
Freescale Semiconductor
Addr
Byte
$0A
$0B
$0C
$0D
$0E
$00
$01
$02
$03
$04
$05
$06
$07
$08
$09
$0F
A user accessible data array allows for each device to be customized. The array consists of an OTP factory programmable
Type codes
Note: Unused and Unprogrammed Spare bits always read ‘0’.
A unique serial number is programmed into the serial number registers of each device during manufacturing. The serial num-
Serial numbers begin at 1 for all produced devices in each lot, and are sequentially assigned. Lot numbers begin at 1 and are
The serial number registers are included in the factory programmed OTP CRC verification. Reference
F:
R:
DEVCFG1
DEVCFG2
Functional Description
User Accessible Data Array
Device Serial Number Registers
DEVCFG
Register
TYPE
UD01
UD02
UD03
UD04
UD05
UD06
UD07
UD08
SN0
SN1
SN2
SN3
Freescale programmed OTP locationU/F:User and/or Freescale programmed OTP location
Read-only registerU:User Programmed OTP location
Nibble Addr
Reference
Table 39
WA[3:0]
LOCK_U
UD00[5]
UD01[7]
UD02[7]
UD03[7]
UD04[7]
UD05[7]
UD06[7]
UD07[7]
UD08[7]
SN[15]
SN[23]
SN[31]
DEVID
LPF[1]
SN[7]
7
Section
UNUSED
UNUSED
UD00[4]
UD01[6]
UD02[6]
UD03[6]
UD04[6]
UD05[6]
UD06[6]
UD07[6]
UD08[6]
SN[14]
SN[22]
SN[30]
LPF[0]
SN[6]
6
Bit Function
3.2). Portions of the factory programmable array are reserved for factory-pro-
Bit Range
SN[31:13]
SN[12:0]
UNUSED
UD00[3]
UD01[5]
UD02[5]
UD03[5]
UD04[5]
UD05[5]
UD06[5]
UD07[5]
UD08[5]
SN[13]
SN[21]
SN[29]
SN[5]
PCM
5
0
RESERVED
UNUSED
UD00[2]
UD01[4]
UD02[4]
UD03[4]
UD04[4]
UD05[4]
UD06[4]
UD07[4]
UD08[4]
SN[12]
SN[20]
SN[28]
SN[4]
4
0
Serial Number
Lot Number
Content
Nibble Addr
Reference
(WA[3:0])
Table 39
UNUSED
ADDR[3]
UD00[1]
UD01[3]
UD02[3]
UD03[3]
UD04[3]
UD05[3]
UD06[3]
UD07[3]
UD08[3]
RNG[3]
SN[11]
SN[19]
SN[27]
SN[3]
3
CRC_U[2]
ADDR[2]
UD00[0]
UD01[2]
UD02[2]
UD03[2]
UD04[2]
UD05[2]
UD06[2]
UD07[2]
UD08[2]
RNG[2]
SN[10]
SN[18]
SN[26]
SN[2]
2
Bit Function
AT_OTP[1] AT_OTP[0]
CRC_U[1]
Section 3.2.1
ADDR[1]
UD01[1]
UD02[1]
UD03[1]
UD04[1]
UD05[1]
UD06[1]
UD07[1]
UD08[1]
RNG[1]
SN[17]
SN[25]
SN[1]
SN[9]
1
CRC_U[0]
MMA16xxWR
ADDR[0]
UD01[0]
UD02[0]
UD03[0]
UD04[0]
UD05[0]
UD06[0]
UD07[0]
UD08[0]
RNG[0]
SN[16]
SN[24]
SN[0]
SN[8]
0
for details
Type
U/F
F
13