参数资料
型号: EFM32G222F64
厂商: Energy Micro
文件页数: 38/65页
文件大小: 0K
描述: IC MCU 32BIT 64KB FLASH QFP48
标准包装: 1,000
系列: Gecko
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 32MHz
连通性: I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 37
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.8 V
数据转换器: A/D 4x12b,D/A 1x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 48-TQFP
包装: 带卷 (TR)
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G222FXX - d0033_Rev1.60
43
www.energymicro.com
3.12 Analog Comparator (ACMP)
Table 3.16. ACMP
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VACMPIN
Input voltage range
0
VDD V
VACMPCM
ACMP Common Mode volt-
age range
0
VDD V
BIASPROG=0b0000, FULL-
BIAS=0 and HALFBIAS=1 in
ACMPn_CTRL register
55
nA
BIASPROG=0b1111, FULL-
BIAS=0 and HALFBIAS=0 in
ACMPn_CTRL register
2.82
A
IACMP
Active current
BIASPROG=0b1111, FULL-
BIAS=1 and HALFBIAS=0 in
ACMPn_CTRL register
195
A
Internal voltage reference off.
Using external voltage refer-
ence
0
A
Internal voltage reference,
LPREF=1
50
nA
IACMPREF
Current consumption of in-
ternal voltage reference
Internal voltage reference,
LPREF=0
6
A
Single ended
10
mV
VACMPOFFSET
Offset voltage
Differential
10
mV
VACMPHYST
ACMP hysteresis
Programmable
17
mV
CSRESSEL=0b00 in
ACMPn_INPUTSEL
39
kOhm
CSRESSEL=0b01 in
ACMPn_INPUTSEL
71
kOhm
CSRESSEL=0b10 in
ACMPn_INPUTSEL
104
kOhm
RCSRES
Capacitive Sense Internal
Resistance
CSRESSEL=0b11 in
ACMPn_INPUTSEL
136
kOhm
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) . IACMPREF is zero if an external voltage reference is used.
Total ACMP Active Current
IACMPTOTAL = IACMP + IACMPREF
(3.1)
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