NXP Semiconductors
UM11227
NTM88 family of tire pressure monitor sensors
UM11227 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
User manual Rev. 6 — 24 April 2020
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12 Revision history
Table 210. Revision history
Document ID Release
date
Description
UM11227 v.6 20200424 • Section 3, revised second bullet for "Optional accelerometer ranges" and added a footnote.
• Section 5.1, revised as follows:
– Table 3, revised tables notes 1, 3, 4, and 5.
– Table 4, revised table note 1
• Section 10.1.1, deleted rows for register map addresses $E7E0 through $E7FF.
• Section 10.2.2, deleted the last paragraph starting with "The LF, SMI, and ADU user...."
• Section 10.3, Table 17, revised vector priority 8 removing "reserved" and providing values.
• Section 10.12.1, revised as follows:
– Moved the figure titled "KBI block diagram" to Section 10.12.2.1 prior to Table 36.
– Moved the figure titled "External interrupt logic" to Section 10.12.2.4 prior to Table 42.
– Figure 14, revised image.
– Table 23, in the "Pull enable" row, revised the "x" in the "KBI pin enable" column to "0".
• Section 10.12.1.1, revised as follows:
– Removed second paragraph starting with "PTA[4:0] pins are shared with on-chip
peripheral functions."
– Removed redundant Figures titled "General purpose I/O block diagram" and "General
purpose I/O logic".
– Removed redundant Table titled "Truth table for pullup and pulldown resistors".
– Table 37, revised the "Description" for "KBACK".
• Section 10.12.2.4, Table 43, revised the "Description" for "IRQACK".
• Section 10.14.1.1, Table 63, revised the "Description" for "WUFACK" and "PRFACK".
• Section 10.15.17.5, Table 84, revised the "Description" for "LFIAK".
• Section 10.16.11.8, Table 118, revised the "Description" for "RFIAK".
• Section 10.19.2.1, Table 147, revised the "Description" for "SMIFAK".
• Section 10.19.2.3, Table 151, revised the description for 1:0, FILT[1:0]
• Section 10.23.3.1, Table 175, revised and unmerged the Bit 6 cell for "R" and "W", inserting
"0" in Bit 6 for "R" and revised the "Description" for "RTIACK" in Table 176.
• Section 10.23.3.2, Table 177, revised and unmerged the Bit 6 cell for "R" and "W", inserting
"0" in Bit 6 for "R" and revised the "Description" for "LVDACK" in Table 178.
• Section 10.23.3.3, Table 179, revised and unmerged the Bit 2 cell for "R" and "W", inserting
"0" in Bit 2 for "R" and revised the "Description" for "PPDACK" in Table 180.
• Section 10.25, inserted a new first bullet, revised the second bullet, and inserted a new
bullet before the last bullet.
• Section 10.26, Added new first paragraph.
• Section 10.26.6, revised the first sentence and the figure title for Figure 59.
• Section 11, revised the paragaph starting with "A gel is used to provide media
protection...", adding two new sentences at the end of the paragraph.
UM11227 v.5 20200124 • Section 10.19, revised entire section.
UM11227 v.4 20191004 • Section 3: Revised third bullet under "Transducer measurement interfaces" from "12-bit
compensated..." to "8-bit compensated...."
• Section 4.1: Revised the first bullet adding "For devices programmed by NXP with an
embedded firmware..." and added new paragraph beginning with "Prototype samples...."
• Section 4.4, revised the second paragraph.
• Section 7.3, Figure 4: Revised Figure 4.
• Section 10.1.1, Table 15, revised rows $1860, $1861 and $FD66:$FDFA.
• Section 10.8.5.2, Table 20: Removed "Normal Temperature Restart" row.
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