參數(shù)資料
型號(hào): EFM32G840F128
廠商: Energy Micro
文件頁(yè)數(shù): 40/69頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 64QFN
特色產(chǎn)品: EFM32 Gecko
標(biāo)準(zhǔn)包裝: 1
系列: Gecko
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 32MHz
連通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲(chǔ)器容量: 128KB(128K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 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-VFQFN 裸露焊盤
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 914-1015-6
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
45
www.energymicro.com
3.13 Voltage Comparator (VCMP)
Table 3.17. VCMP
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VVCMPIN
Input voltage range
VDD
V
VVCMPCM
VCMP Common Mode volt-
age range
VDD
V
BIASPROG=0b0000
and HALFBIAS=1 in
VCMPn_CTRL register
0.1
A
IVCMP
Active current
BIASPROG=0b1111
and HALFBIAS=0 in
VCMPn_CTRL register.
LPREF=0.
14.7
A
tVCMPREF
Startup time reference gen-
erator
NORMAL
10
s
Single ended
10
mV
VVCMPOFFSET
Offset voltage
Differential
10
mV
VVCMPHYST
VCMP hysteresis
17
mV
The VDD trigger level can be configured by setting the TRIGLEVEL field of the VCMP_CTRL register in
accordance with the following equation:
VCMP Trigger Level as a Function of Level Setting
VDD Trigger Level=1.667V+0.034 ×TRIGLEVEL
(3.2)
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