EFM32-G890-SK-F128 Energy Micro, EFM32-G890-SK-F128 Datasheet - Page 43

• Manufacturer Part Number: EFM32-G890-SK-F128
• Description: MCU, CORTEX-M3, EFM32-G890 SAMPLE-PK
• Manufacturer: Energy Micro

Specifications of EFM32-G890-SK-F128

• Controller Family/series: ARM Cortex-M3
• Core Size: 32bit
• Interface: I2C, SPI, UART
• Peripherals: ADC, ACMP, DAC, DMA, POR, RTC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.12 Analog Comparator (ACMP)
2010-12-17 - d0009_Rev1.20
Table 3.16. ACMP
The total ACMP current is the sum of the contributions from the ACMP and its internal voltage reference
as given in Equation 3.1 (p. 43) . I
Total ACMP Active Current
Symbol
V
V
I
I
V
V
R
ACMP
ACMPREF
ACMPIN
ACMPCM
ACMPOFFSET
ACMPHYST
CSRES
Parameter
Input voltage range
ACMP Common Mode volt-
age range
Active current
Current consumption of in-
ternal voltage reference
Offset voltage
ACMP hysteresis
Capacitive Sense Internal
Resistance
I
ACMPTOTAL
ACMPREF
Condition
BIASPROG=0b0000, FULL-
BIAS=0 and HALFBIAS=1 in
ACMPn_CTRL register
BIASPROG=0b1111, FULL-
BIAS=0 and HALFBIAS=0 in
ACMPn_CTRL register
BIASPROG=0b1111, FULL-
BIAS=1 and HALFBIAS=0 in
ACMPn_CTRL register
Internal voltage reference off.
Using external voltage refer-
ence
Internal voltage reference,
LPREF=1
Internal voltage reference,
LPREF=0
Single ended
Differential
Programmable
CSRESSEL=0b00 in
ACMPn_INPUTSEL
CSRESSEL=0b01 in
ACMPn_INPUTSEL
CSRESSEL=0b10 in
ACMPn_INPUTSEL
CSRESSEL=0b11 in
ACMPn_INPUTSEL
= I
is zero if an external voltage reference is used.
ACMP
...the world's most energy friendly microcontrollers
43
+ I
ACMPREF
Min
0
0
Typ
www.energymicro.com
2.82
195
104
136
55
50
10
10
17
39
71
0
6
Max
V
V
DD
DD
Unit
V
V
nA
µA
µA
µA
nA
µA
mV
mV
mV
kOhm
kOhm
kOhm
kOhm
(3.1)