參數(shù)資料
型號(hào)： MCIMX281AVM4B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 454 MHz, RISC PROCESSOR, PBGA289
封裝： 14 X 14 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-289
文件頁數(shù)： 15/72頁
文件大?。?/td> 915K
代理商： MCIMX281AVM4B
i.MX28 Applications Processors Data Sheet for Automotive Products, Rev. 1
22
Freescale Semiconductor
Table 27 shows the digital pin DC characteristics for GPIO in 1.8 V mode.
10-K pull-up resistance2
Rpu10k
8
12
K
Ω
47-K pull-up resistance2
Rpu47k
39
56
K
Ω
1 The conditions of the current measurements for all different drives are as follows:
IOL: at 0.4 V
IOH: at VDDIO * 0.8 V
Maximum corner for 3.3 V mode: 3.6 V, -40
°C, fast process.
Minimum corner for 3.3 V mode: 3.0 V, 105
°C, slow process
8 gpio pins (LCD_D0-D7) and 2 gpio_clk pins (LCD_DOTCLK and LCD_WR_RWN) simultaneously loaded.
2 See the i.MX28 reference manual for detailed pull-up configuration of each I/O.
Table 27. Digital Pin DC Characteristics for GPIO in 1.8 V Mode
Symbol
Min
Max
Units
Input voltage high (DC)
VIH
0.7
× VDDIO18
VDDIO18
V
Input voltage low (DC)
VIL
—
0.3
× VDDIO18
V
Output voltage high (DC)
VOH
0.8 * VDDIO18
—
V
Output voltage low (DC)
VOL
—
0.2
× VDDIO18
V
Output source current1
(DC)
gpio
1 The condition of the current measurements for all different drives are as follows:
Maximum corner for 1.8 V mode: 1.9 V, -40
°C, Fast process.
Minimum corner for 1.8 V mode: 1.7 V, 105
°C, Slow process.
1 gpio pin (GPMI_D0) and 1 gpio_clk pin (GPMI_WRN) simultaneously loaded.
IOH – low
-2.2
—
mA
IOH – medium
-3.5
—
mA
IOH – high
-4.0
—
mA
Output sink current1
(DC)
gpio
IOL – low
3.3
—
mA
IOL – medium
7.0
—
mA
IOL – high
7.5
—
mA
Output source current1
(DC)
gpio_clk
IOH – low
-4.2
—
mA
IOH – high
-6.0
—
mA
Output sink current1
(DC)
gpio_clk
IOL – low
6.8
—
mA
IOL – high
11.5
—
mA
10-K pull-up resistance2
2 See the i.MX28 reference manual for detailed pull-up configuration of each I/O.
Rpu10k
8
12
K
Ω
47-K pull-up resistance2
Rpu47k
39
56
K
Ω
Table 26. Digital Pin DC Characteristics for GPIO in 3.3-V Mode (continued)
Parameter
Symbol
Min
Max
Units
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