參數(shù)資料
型號: EFM32LG232F256
廠商: Energy Micro
文件頁數(shù): 35/65頁
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH BGA112
標準包裝: 1,000
系列: Leopard Gecko
核心處理器: ARM? Cortex?-M4
芯體尺寸: 32-位
速度: 48MHz
連通性: I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.85 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG232FXX - d0106_Rev1.10
40
www.energymicro.com
3.13 Analog Comparator (ACMP)
Table 3.17. 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
0.1
A
BIASPROG=0b1111, FULL-
BIAS=0 and HALFBIAS=0 in
ACMPn_CTRL register
2.87
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
IACMPREF
Current consumption of in-
ternal voltage reference
Internal voltage reference
5
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. 40) . IACMPREF is zero if an external voltage reference is used.
Total ACMP Active Current
IACMPTOTAL = IACMP + IACMPREF
(3.1)
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