參數(shù)資料
型號: EFM32G840F64
廠商: Energy Micro
文件頁數(shù): 13/69頁
文件大?。?/td> 0K
描述: MCU 32BIT 64KB FLASH 64-QFN
標(biāo)準(zhǔn)包裝: 1,000
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/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 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: 帶卷 (TR)
其它名稱: EFM32G840F64-QFN64
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
20
www.energymicro.com
3.8 General Purpose Input Output
Table 3.8. GPIO
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VIOIL
Input low voltage
0.3VDD V
VIOIH
Input high voltage
0.7VDD
V
Sourcing 6 mA, VDD=1.8V,
GPIO_Px_CTRL DRIVE-
MODE = STANDARD
0.75VDD
V
Sourcing 6 mA, VDD=3.0V,
GPIO_Px_CTRL DRIVE-
MODE = STANDARD
0.95VDD
V
Sourcing 20 mA, VDD=1.8V,
GPIO_Px_CTRL DRIVE-
MODE = HIGH
0.7VDD
V
VIOOH
Output high voltage
Sourcing 20 mA, VDD=3.0V,
GPIO_Px_CTRL DRIVE-
MODE = HIGH
0.9VDD
V
Sinking 6 mA, VDD=1.8V,
GPIO_Px_CTRL DRIVE-
MODE = STANDARD
0.25VDD V
Sinking 6 mA, VDD=3.0V,
GPIO_Px_CTRL DRIVE-
MODE = STANDARD
0.05VDD V
Sinking 20 mA, VDD=1.8V,
GPIO_Px_CTRL DRIVE-
MODE = HIGH
0.3VDD V
VIOOL
Output low voltage
Sinking 20 mA, VDD=3.0V,
GPIO_Px_CTRL DRIVE-
MODE = HIGH
0.1VDD V
IIOLEAK
Input leakage current
High Impedance IO connect-
ed to GROUND or VDD
+/-25
nA
RPU
I/O pin pull-up resistor
40
kOhm
RPD
I/O pin pull-down resistor
40
kOhm
RIOESD
Internal ESD series resistor
200
Ohm
tIOGLITCH
Pulse width of pulses to be
removed by the glitch sup-
pression filter
10
50
ns
0.5 mA drive strength
and load capacitance
CL=12.5-25pF.
20+0.1CL
250
ns
tIOOF
Output fall time
2mA drive strength and load
capacitance CL=350-600pF
20+0.1CL
250
ns
VIOHYST
I/O pin hysteresis (VIOTHR+
- VIOTHR-)
VDD = 1.8 - 3.8 V
0.1VDD
V
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