參數(shù)資料
型號(hào): EFM32LG232F256
廠商: Energy Micro
文件頁(yè)數(shù): 18/65頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 256KB FLASH BGA112
標(biāo)準(zhǔn)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(cè)/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲(chǔ)器容量: 256KB(256K x 8)
程序存儲(chǔ)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
25
www.energymicro.com
3.9.5 ULFRCO
Table 3.13. ULFRCO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
fULFRCO
Oscillation frequency
25°C, 3V
0.8
1.5
kHz
TCULFRCO
Temperature coefficient
0.05
%/°C
VCULFRCO
Supply voltage coefficient
-18.2
%/V
3.10 Analog Digital Converter (ADC)
Table 3.14. ADC
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Single ended
0
VREF V
VADCIN
Input voltage range
Differential
-VREF/2
VREF/2 V
VADCREFIN
Input range of external ref-
erence voltage, single end-
ed and differential
1.25
VDD V
VADCREFIN_CH7 Input range of external neg-
ative reference voltage on
channel 7
See VADCREFIN
0
VDD - 1.1 V
VADCREFIN_CH6 Input range of external pos-
itive reference voltage on
channel 6
See VADCREFIN
0.625
VDD V
VADCCMIN
Common mode input range
0
VDD V
IADCIN
Input current
2pF sampling capacitors
<100
nA
CMRRADC
Analog input common
mode rejection ratio
65
dB
1 MSamples/s, 12 bit, exter-
nal reference
351
A
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b00
67
A
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b01
63
A
IADC
Average active current
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b10
64
A
IADCREF
Current consumption of in-
ternal voltage reference
Internal voltage reference
65
A
CADCIN
Input capacitance
2
pF
RADCIN
Input ON resistance
1
MOhm
RADCFILT
Input RC filter resistance
10
kOhm
CADCFILT
Input RC filter/decoupling
capacitance
250
fF
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