EFM32LG995F256 Energy Micro, EFM32LG995F256 Datasheet - Page 43

• Manufacturer Part Number: EFM32LG995F256
• Description: ARM Microcontrollers - MCU 256KB FL 32KB RAM
• Manufacturer: Energy Micro

Specifications of EFM32LG995F256

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: Leopard Gecko (LG)
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: BGA-120
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• Interface Type: I2C, SPI, USB, UART
• Number Of Programmable I/os: 93
• Program Memory Type: Flash

3.14 Voltage Comparator (VCMP)
2012-09-11 - EFM32LG995FXX - d0124_Rev1.00
Table 3.19. VCMP
The V
accordance with the following equation:
VCMP Trigger Level as a Function of Level Setting
Symbol
V
V
I
t
V
V
VCMP
VCMPREF
VCMPIN
VCMPCM
VCMPOFFSET
VCMPHYST
DD
trigger level can be configured by setting the TRIGLEVEL field of the VCMP_CTRL register in
Parameter
Input voltage range
VCMP Common Mode volt-
age range
Active current
Startup time reference gen-
erator
Offset voltage
VCMP hysteresis
V
DD Trigger Level
Preliminary
=1.667V+0.034 ×TRIGLEVEL
Condition
BIASPROG=0b0000
and HALFBIAS=1 in
VCMPn_CTRL register
BIASPROG=0b1111
and HALFBIAS=0 in
VCMPn_CTRL register.
LPREF=0.
NORMAL
Single ended
Differential
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43
Min
Typ
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14.7
V
V
0.1
10
10
10
17
DD
DD
Max
Unit
V
V
µA
µA
µs
mV
mV
mV
(3.2)