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
46 / 205
Address Name Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
$FFB2 NVBACKK
EY2
KEY23 KEY22 KEY21 KEY20 KEY19 KEY18 KEY17 KEY16
$FFB3 NVBACKK
EY3
KEY31 KEY30 KEY29 KEY28 KEY27 KEY26 KEY25 KEY24
$FFB4 NVBACKK
EY4
KEY39 KEY38 KEY37 KEY36 KEY35 KEY34 KEY33 KEY32
$FFB5 NVBACKK
EY5
KEY47 KEY46 KEY45 KEY44 KEY43 KEY42 KEY41 KEY40
$FFB6 NVBACKK
EY6
KEY55 KEY54 KEY53 KEY52 KEY51 KEY50 KEY49 KEY48
$FFB7 NVBACKK
EY7
KEY63 KEY62 KEY61 KEY60 KEY59 KEY58 KEY57 KEY56
$FFB8:$FF
BC
reserved — — — — — — — —
$FFBD NVPROT FPS7 FPS6 FPS5 FPS4 FPS3 FPS2 FPS1 FPDIS
$FFBE reserved — — — — — — — —
$FFBF NVOPT KEYEN FNORED — — — — SEC01 SEC00
$FFC0:$FF
DF
reserved — — — — — — — —
$FFE0 Keyboard
Int. High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFE1 Keyboard
Int. Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFE2 FRC Int.
High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFE3 FRC Int.
Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFE4 reserved — — — — — — — —
$FFE5 reserved — — — — — — — —
$FFE6 RTI High addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFE7 RTI Low addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFE8 LF RX Int.
High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFE9 LF RX Int.
Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFEA ADC Int.
High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFEB ADC Int.
Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFEC RF TX Int.
High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFED RF TX Int.
Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFEE SMI Int.
High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8
$FFEF SMI Int.
Low
addr7 addr6 addr5 addr4 addr3 addr2 addr1 addr0
$FFF0 TPM OVF
Int. High
addr15 addr14 addr13 addr12 addr11 addr10 addr9 addr8