IMX28CEC Datasheet, PDF (23/70 Pages) Freescale Semiconductor, Inc – Processors Data Sheet for Consumer Products

Table 27 shows the digital pin DC characteristics for GPIO in 1.8 V mode.
Table 27. Digital Pin DC Characteristics for GPIO in 1.8 V Mode
Symbol
Min
Max
Input voltage high (DC)
VIH
Input voltage low (DC)
VIL
0.7 × VDDIO18
—
VDDIO18
0.3 × VDDIO18
Output voltage high (DC)
Output voltage low (DC)
Output source current¹
(DC)
gpio
Output sink current¹
(DC)
gpio
Output source current¹
(DC)
gpio_clk
Output sink current¹
(DC)
gpio_clk
VOH
VOL
IOH – low
IOH – medium
IOH – high
IOL – low
IOL – medium
IOL – high
IOH – low
IOH – high
IOL – low
IOL – high
0.8 * VDDIO18
—
-2.2
-3.5
-4.0
3.3
7.0
7.5
-4.2
-6.0
6.8
11.5
—
0.2 × VDDIO18
—
—
—
—
—
—
—
—
—
—
10-K pull-up resistance²
Rpu10k
8
12
47-K pull-up resistance²
Rpu47k
39
56
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.
2 _{See the i.MX28 reference manual for detailed pull-up configuration of each I/O.}
Units
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
KΩ
KΩ
i.MX28 Applications Processors Data Sheet for Consumer Products, Rev. 1
Freescale Semiconductor
23