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3.1.5
Device Configuration Registers 6, 7, and 8 (DEVCFG6, DEVCFG7, DEVCFG8)
Device configuration registers 6, 7 and 8 are user programmable OTP registers which contain device configuration and user
specific manufacturing information. The user specific manufacturing information bits have no impact on the performance, but are
transmitted during the PSI5 initialization phase 2 in 10-bit mode.
Location
Bit
Address
$09
$0A
$0B
Register
DEVCFG6
DEVCFG7
DEVCFG8
7
INIT2_EXT
MONTH[3]
UD[2]
6
ASYNC
MONTH[2]
UD[1]
5
U_DIR[1]
MONTH[1]
UD[0]
4
U_DIR[0]
MONTH[0]
DAY[4]
3
U_REV[3]
YEAR[3]
DAY[3]
2
U_REV[2]
YEAR[2]
DAY[2]
1
U_REV[1]
YEAR[1]
DAY[1]
0
U_REV[0]
YEAR[0]
DAY[0]
Factory Default
0
0
0
0
0
0
0
0
3.1.5.1
Initialization Phase 2 Data Extension Bit (INIT2_EXT)
The initialization phase 2 data extension bit enables or disables data transmission in data fields D27 through D32 of PSI5 Ini-
tialization Phase 2 as shown below.
INIT2_EXT
0
1
Description
D27 through D32 are set to “0000”
D27 through D32 are transmitted as defined in Section 4.4.2.1
3.1.5.2
Asynchronous Mode Bit (ASYNC)
The asynchronous mode bit enables asynchronous data transmission as described in Section 3.1.4.3 .
3.1.5.3
User Sensing Direction (U_DIR[1:0])
The user sensing direction registers are user programmable OTP registers which contain the module level sensing direction.
This data is transmitted to the main ECU during PSI5 initialization phase 2 in 10-bit mode, as described in Section 4.4.2.1 .
U_DIR[1]
0
0
1
1
U_DIR[0]
0
1
0
1
Module Sensing Direction
As Defined in AKLV27
Connector Direction ( β )
Bushing Direction ( α )
Perpendicular to α and β (γ)
Not used
PSI5 Init Data Transmission (D8)
Reference Table 10
0000
0100
1000
1100
3.1.5.4
User Product Revision (U_REV[3:0])
The user product revision registers are user programmable OTP registers which contain the module production revision. The
device supports up to 16 product revisions. This data is transmitted to the main ECU during PSI5 initialization phase 2 in 10-bit
mode, as described in Section 4.4.2.1 .
MMA52xxKW
Sensors
16
Freescale Semiconductor, Inc.
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