IMX53CEC datasheet(29/204 Pages) FREESCALE

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Electrical Characteristics

i.MX53xD Applications Processors for Consumer Products, Rev. 2

Freescale Semiconductor

NOTE

The term ‘OVDD’ in this section refers to the associated supply rail of an

input or output. The association is shown in Table 112.

Figure 3. Circuit for Parameters Voh and Vol for IO Cells

4.3.1

General Purpose I/O (GPIO) DC Parameters

The parameters in Table 11 are guaranteed per the operating ranges in Table 7, unless otherwise noted.

Table 11 shows DC parameters for GPIO pads, operating at two supply ranges:

•

1.1 V to 1.3 V

•

1.65 V to 3.1 V

Table 11. GPIO I/O DC Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

High-level output voltage1

Voh

Iout = –1 mA

Iout= specified Ioh Drive

OVDD – 0.15

0.8*OVDD

——

Low-level output voltage1

Vol

Iout = 1 mA

Iout= specified Iol Drive

——

0.15

0.2

× OVDD

High-level output current

(1.1-1.3V OVDD)

Ioh

Vout = 0.8

×OVDD

Low drive

Medium drive

High drive

Max drive

–0.85

–1.7

–2.5

–3.4

——

Low-level output current

(1.1-1.3V OVDD)

Iol

Vout = 0.2

×OVDD

Low drive

Medium drive

High drive

Max drive

0.9

1.9

2.9

3.8

——

High-level output current

(1.65-3.1V OVDD)

Ioh

Vout = 0.8

×OVDD

Low drive

Medium drive

High drive

Max drive

–2.1

–4.2

–6.3

–8.4

——

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