NXP Semiconductors UM11227 - Tab. 135. ADC Result High Register (ADRH) (Address $0032); Tab. 136. ADC Result Low Register (ADRL) (Address $0033); ADC Result High and Low Registers (ADRH;L)

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
134 / 205
Field Description
6
ADTRG
ADTRG – Software / Hardware triggered conversions
The ADTRG bit selects between software triggered conversions and hardware trigger conversions.
0 = Software triggered conversions are selected; Result of Reset
1 = Hardware triggered conversions are selected
5
ACFE
ACFE – Normal or Compare Conversions
The ACFE bit selects between normal conversion operation and compare operation.
0 = normal conversions are selected; Result of Reset
1 = Compare conversions are selected
4
ACFGT
ACFGT – Greater Than / Less Than Matching
The ACFGT bit selects between "greater than" or "less than" matching criteria when in compare operation.
0 = less than mode is selected; Result of Reset
1 = greater than mode is selected
1:0
REFSEL[1:0]
REFSEL[1:0] – Reference selections
The REFSEL[1:0] bits select the source for the voltage reference used for analog conversions. The analog
block supports three options:
• the standard VREFH/VREFL pins (these may be shared with standard I/O pins in the future)
• the VDDA/VSSA pins
• an alternate reference source (i.e., an on-chip band gap reference)
0 0 = V
REFH
and V
REFL
; Result of Reset
0 1 = V
DDA
and V
SSA
1 0 = band gap
H
and band gap
L
1 1 = V
REFH
and V
REFL
10.17.1.3 ADC result high and low registers (ADRH/L)
Table 135. ADC result high register (ADRH) (address $0032)
Bit 7 6 5 4 3 2 1 0
R 0 0 0 0 ADR11 ADR10 ADR9 ADR8
W — — — — — — — —
Reset ($00) 0 0 0 0 0 0 0 0
Table 136. ADC result low register (ADRL) (address $0033)
Bit 7 6 5 4 3 2 1 0
R ADR7 ADR6 ADR5 ADR4 ADR3 ADR2 ADR1 ADR0
W — — — — — — — —
Reset ($00) 0 0 0 0 0 0 0 0