參數(shù)資料
型號: EFM32LG880F256
廠商: Energy Micro
文件頁數(shù): 30/72頁
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH QFP100
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: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 86
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: 100-LQFP
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG880FXX - d0117_Rev1.10
36
www.energymicro.com
Figure 3.19. ADC Temperature sensor readout
–40
–25 –15
–5
5
15
25
35
45
55
65
75
85
Tem perat ure [ ° C]
2100
2200
2300
2400
2500
2600
S
e
n
s
o
r
re
a
d
o
u
t
Vdd= 1.8
Vdd= 3
Vdd= 3.8
3.11 Digital Analog Converter (DAC)
Table 3.15. DAC
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VDD voltage reference, single
ended
0
VDD V
VDACOUT
Output voltage range
VDD voltage reference, differ-
ential
-VDD
VDD V
VDACCM
Output common mode volt-
age range
0
VDD V
500 kSamples/s, 12bit
400
A
100 kSamples/s, 12 bit
200
A
IDAC
Active current including ref-
erences for 2 channels
1 kSamples/s 12 bit NORMAL
38
A
SRDAC
Sample rate
500
ksam-
ples/s
Continuous Mode
1000
kHz
Sample/Hold Mode
250
kHz
fDAC
DAC clock frequency
Sample/Off Mode
250
kHz
CYCDACCONV
Clock cyckles per conver-
sion
2
tDACCONV
Conversion time
2
s
tDACSETTLE
Settling time
5
s
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
58
dB
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
59
dB
SNRDAC
Signal to Noise Ratio
(SNR)
500 kSamples/s, 12 bit, dif-
ferential, internal 1.25V refer-
ence
58
dB
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EFM32LG880F64 功能描述:ARM微控制器 - MCU 64KB FL 32KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT