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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9.3.4 System background debug force reset register (SBDFR)
This register contains a single write-only control bit. A serial BACKGROUND mode
command such as WRITE_BYTE must be used to write to SBDFR. Attempts to write this
register from a user program are ignored. Reads always return 0x00.
Table 13. System background debug force reset register (SBDFR)
Bit 7 6 5 4 3 2 1 0
R 0 0 0 0 0 0 0 0
W reserved reserved reserved reserved reserved reserved reserved BDFR
[1]
Reset 0 0 0 0 0 0 0 0
[1] BDFR is writable only through serial BACKGROUND mode debug commands, not from user programs.
Table 14. SBDFR register field description
Field Description
0
BDFR
Background Debug Force Reset — A serial ACTIVE BACKGROUND mode command such as WRITE_
BYTE allows an external debug host to force a target system reset. Writing 1 to this bit forces an MCU
reset. This bit cannot be written from a user program.
10 Functional description
10.1 Register information
10.1.1 Register map
Table 15. Register map description
Address Name Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
$0000 PTAD reserved reserved reserved PTAD4 PTAD3 PTAD2 PTAD1 PTAD0
$0001 PTAPE — — — — PTAPE3 PTAPE2 PTAPE1 PTAPE0
$0002 reserved — — — — — — — —
$0003 PTADD — — — — PTADD3 PTADD2 PTADD1 PTADD0
$0004 PTBD — — — — — — PTBD1 PTBD0
$0005 PTBPE — — — — — — PTBPE1 PTBPE0
$0006 SPARE06 reserved reserved reserved reserved reserved reserved reserved reserved
$0007 PTBDD — — — — — — PTBDD1 PTBDD0
$0008 reserved reserved reserved reserved reserved reserved reserved reserved reserved
$0009 SPARE09 reserved reserved reserved reserved reserved reserved reserved reserved
$000A:B reserved — — — — — — — —
$000C KBISC — — — — KBF KBACK KBIE KBIMOD
$000D KBIPE — — — — KBIPE3 KBIPE2 KBIPE1 KBIPE0
$000E KBIES — — — — KBEDG3 KBEDG2 KBEDG1 KBEDG0
$000F IRQSC — IRQPDD IRQEDG IRQPE IRQF IRQACK IRQIE IRQMOD
$0010 TPMSC TOF TOIE CPWMS CLKSB CLKSA PS2 PS1 PS0
$0011 TPMCNTH bit15 bit14 bit13 bit12 bit11 bit10 bit9 bit8
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