OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 290

• Manufacturer Part Number: OM13008,598
• Description: BOARD LPC XPRESSO LPC122X
• Manufacturer: NXP Semiconductors
• Series: LPCXpressor

Specifications of OM13008,598

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-6642; OM13008

NXP Semiconductors
UM10441
User manual
Table 274. Comparator control register (CMP, address 0x4005 4000) bit description
Bit
5
6
7
10:8
13:11 CMP0_VM_CTRL
16:14 CMP1_VP_CTRL
Symbol
CMPSR
CMPSA0
CMPSA1
CMP0_VP_CTRL
All information provided in this document is subject to legal disclaimers.
Rev. 1.1 — 10 March 2011
Value
0
1
0
1
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
Description
Select orientation of the two comparators in the
relaxation oscillator circuit.
Select async/sync output of the comparator 0.
The comparator output is used directly.
The comparator output is synchronized with the bus
clock for output to other modules.
Select async/sync output of the comparator 1.
The comparator output is used directly.
The comparator output is synchronized with the bus
clock for output to other modules.
Selection of comparator 0, positive voltage (VP) input
channel.
Voltage ladder output
ACMP0_I0
ACMP0_I1
ACMP0_I2
ACMP0_I3
ACMP1_I0
ACMP1_I1
BOD 0.9 V band gap
Selection of comparator 0, negative voltage (VM)
input channel.
Voltage ladder output
ACMP0_I0
ACMP0_I1
ACMP0_I2
ACMP0_I3
ACMP1_I0
ACMP1_I1
BOD 0.9 V band gap
Selection of comparator 1, positive voltage (VP) input
channel.
Voltage ladder output
ACMP1_I0
ACMP1_I1
ACMP1_I2
ACMP1_I3
ACMP0_I0
ACMP0_I1
BOD 0.9 V band gap
Chapter 18: LPC122x Comparator
UM10441
© NXP B.V. 2011. All rights reserved.
290 of 442
Reset
value
0
0
0
000
000
000