MCIMX35_101 Datasheet, PDF (20/148 Pages) Freescale Semiconductor, Inc – i.MX35 Applications Processors for Industrial and Consumer Products

Table 13 shows the DC electrical characteristics for GPIO, DDR2, mobile DDR, and SDRAM pins. The
term NVCC refers to the power supply voltage that feeds the I/O of the module in question. For example,
NVCC for the SD/MMC interface refers to NVCC_SDIO.
Table 13. I/O Pin DC Electrical Characteristics
Pin DC Electrical Characteristics Symbol
GPIO High-level output voltage
Voh
Low-level output voltage
Vol
High-level output current for
slow mode
(Voh = 0.8 × NVCC)
High-level output current
for fast mode
(Voh = 0.8 × NVCC)
Low-level output current
for slow mode
(Voh = 0.2 × NVCC)
Low-level output current
for fast mode
(Voh = 0.2 × NVCC)
High-level DC Input
Voltage with 1.8 V,
3.3 V NVCC (for digital
cells in input mode)
Low-level DC Input
Voltage with 1.8 V,
3.3 V NVCC (for digital
cells in input mode
Input Hysteresis
Ioh
Ioh
Iol
Iol
VIH
VIL
VHYS
Schmitt trigger VT+
VT+
Schmitt trigger VT–
VT–
Pull-up resistor
Rpu
(22 kΩ PU)
Pull-up resistor
Rpu
(47 kΩ PU)
Pull-up resistor
Rpu
(100 kΩ PU)
Pull-down resistor (100 kΩ PD) Rpd
External resistance to pull
keeper up when enabled
Rkpu
External resistance to pull
keeper down when enabled
Rkpd
Test Condition
Ioh = –1 mA
Ioh = specified drive
Iol = 1 mA
Iol = specified drive
Standard drive
High drive
Max. drive
Standard drive
High drive
Max. drive
Standard drive
High drive
Max. drive
Standard drive
High drive
Max. drive
—
—
OVDD = 3.3 V
OVDD = 1.8 V
—
—
Vi = 0
Vi = 0
Vi = 0
Vi = NVCC
Ipu > 620μA
@ min Vddio = 3.0 V
Ipu > 510μA
@min Vddio = 3.0 V
Min.
Typ. Max. Unit
NVCC – 0.15 —
—
V
0.8 × NVCC
—
—
0.15
V
0.2 × NVCC
–2.0
—
–4.0
–8.0
—
mA
–4.0
—
–6.0
–8.0
—
mA
2.0
—
—
mA
4.0
8.0
4.0
—
6.0
8.0
0.7 × NVCC —
—
mA
NVCC
V
–0.3 V
— 0.3 × NVCC V
—
410
—
mV
330
0.5 × NVCC —
V
—
— 0.5 × NVCC V
—
22
—
kΩ
—
47
—
kΩ
—
100
—
kΩ
—
100
—
kΩ
—
—
4.8
kΩ
—
—
5.9
kΩ
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 8
20
Freescale Semiconductor