SCIMX356BVMB datasheet(22/147 Pages) NXP

22 / 147 page

i.MX35 Applications Processors for Automotive Products, Rev. 10

Freescale Semiconductor

Table 14 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 14. I/O Pin DC Electrical Characteristics

DC Electrical Characteristics Symbol

Test Condition

Min.

Typ.

Max.

Unit

GPIO

High-level output voltage

Voh

Ioh = –1 mA

Ioh = specified drive

NVCC – 0.15

0.8

× NVCC

——

Low-level output voltage

Vol

Iol = 1 mA

Iol = specified drive

——

0.15

0.2

× NVCC

High-level output current for

slow mode

(Voh = 0.8

× NVCC)

Ioh

Standard drive

High drive

Max. drive

–2.0

–4.0

–8.0

——

High-level output current

for fast mode

(Voh = 0.8

× NVCC)

Ioh

Standard drive

High drive

Max. drive

–4.0

–6.0

–8.0

——

Low-level output current

for slow mode

(Voh = 0.2

× NVCC)

Iol

Standard drive

High drive

Max. drive

2.0

4.0

8.0

——

Low-level output current

for fast mode

(Voh = 0.2

× NVCC)

Iol

Standard drive

High drive

Max. drive

4.0

6.0

8.0

——

High-level DC Input

Voltage with 1.8 V,

3.3 V NVCC (for digital

cells in input mode)

VIH

—

0.7

× NVCC

—

NVCC

Low-level DC Input

Voltage with 1.8 V,

3.3 V NVCC (for digital

cells in input mode

VIL

—

–0.3 V

—

0.3

× NVCC

Input Hysteresis

VHYS

OVDD = 3.3 V

OVDD = 1.8 V

—410

330

—mV

Schmitt trigger VT+

VT+

—

0.5

× NVCC

—

Schmitt trigger VT–

VT–

—

0.5

× NVCC

Pull-up resistor

(22 k

Ω PU)

Rpu

Vi = 0

—

Pull-up resistor

(47 k

Ω PU)

Rpu

Vi = 0

—

Pull-up resistor

(100 k

Ω PU)

Rpu

Vi = 0

—

100

—

Pull-down resistor (100 k

Ω PD)

Rpd

Vi = NVCC

—

100

—

External resistance to pull

keeper up when enabled

Rkpu

Ipu

> 620 μA

@ min Vddio = 3.0 V

——

4.8

External resistance to pull

keeper down when enabled

Rkpd

Ipu > 510

μA

@min Vddio = 3.0 V

——

5.9

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