MMA8452Q
Sensors
Freescale Semiconductor, Inc.
49
9
Revision History
Table 68. Revision history
Revision
number
Revision
date
Description of changes
5
07/2012
• Table 2. Updated Typ values for Sensitivity Accuracy from 2.5% to 2.68%; Zero-g Level Offset Accuracy from
±20 mg to ±17 mg and Zero-g Level Offset Accuracy Post Board Mount from ±30 mg to ±20 mg.
• Updated section 2.3 I
2
C Interface Characteristics
• Added Table 8. Features of the MMA845xQ devices.
• Removed FIFO paragraph at the end of Section 6.1.
• Updated Case outline.
6
02/2013
• Replaced Section 2.3 I
2
C interface characteristics, including Table 4 and Figure 5.
7
03/2013
• Table 66: Register Map table, corrected registers 01, 03, and 05, bits 7-1 values from xD9-xD2 to xD11-xD4;
corrected registers 02, 04, and 06, bits 02, 04, and 06 from xD1, xD0, 0, 0 to xD3, xD2, xD1, xD0 respectively.
8
07/2013
• Table 2: Updated Self-test Output Change row; X, Y, and Z Typ values from +181, +255, and +1680 to +44, +61,
and +392 respectively.
8.1
10/2013
• Table 3: Updated Parameter and Test Condition column definitions for “Time from VDDIO on...”, “Turn-on
(STANDBY)” and “Turn-on time (Power Down to STANDBY)” rows. Expanded Max value for Ton1 into Typ
column and corrected Typ and Max value for Ton2 from “2” to “2/ODR + 2 ms”.
9
• Global change: Updated Pin 3 naming (from NC to DNC) to clarify which pins are not connected internally, and
which pins the customer should not connect anything to.
• Table1: Updated descriptions for most pins, removed Pin Status column.
• Section 4: Changed title from Modes of Operation to System Modes (SYSMOD).
• Updated Figure 6 with more detailed graphic.
• Table 7: Removed VDDIO column, combined contents into other columns and rows.
• Added Section 7. Printed Circuit Board Layout and Device Mounting.
• Created Section 8 for Package Information including pin marking information, tape and reel information and
package.
