PCIMX515CJM6C datasheet(22/184 Pages) FREESCALE

22 / 184 page

i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 1

Freescale Semiconductor

Preliminary—Subject to Change Without Notice

Electrical Characteristics

NOTE

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

input or output. The association is shown in Table 111 and Table 114.

3.3.1

GPIO/HSGPIO I/0 DC Parameters

The parameters in Table 13 are guaranteed per the operating ranges in Table 8, unless otherwise noted.

Table 13. GPIO/HSGPIO DC Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

High-level output voltage

Voh

Iout = -1 mA

OVDD –0.15

—

OVDD + 0.3

Low-level output voltage

Vol

Iout = 1mA

—

0.15

High-level output current

Ioh

Vout = 0.8

×OVDD

Low drive

Medium drive

High drive

Max drive

–1.9

–3.7

–5.2

–6.6

——

Low-level output current

Iol

Vout = 0.2

×OVDD

Low drive

Medium drive

High drive

Max drive

1.9

3.7

5.2

6.6

——

High-Level DC input voltage1

1 To maintain a valid level, the transition edge of the input must sustain a constant slew rate (monotonic) from the current DC

level through to the target DC level, VIL or VIH. Monotonic input transition time is from 0.1ns to 1s.

VIH

—

0.7

× OVDD

—

OVDD

Low-Level DC input voltage1

VIL

—

0.3

×OVDD

Input Hysteresis

VHYS

OVDD = 1.875

OVDD = 2.775

0.25

0.34

0.45

—V

Schmitt trigger VT+1, 2

2 Hysteresis of 250 mV is guaranteed over all operating conditions when hysteresis is enabled.

VT+

—

0.5OVDD

—

Schmitt trigger VT-1, 2

VT-

—

0.5

× OVDD

Input current (no pull-up/down)

IIN

VI = OVDD or 0

—

TBD

—

Input current (22 k

Ω Pull-up)

IIN

VI = 0

VI = OVDD

—

161

TBD

μA

Input current (47 k

Ω Pull-up)

IIN

VI = 0

VI = OVDD

——

TBD

μA

Input current (100 k

Ω Pull-up)

IIN

VI = 0

VI=OVDD

——

TBD

μA

Input current (100 k

Ω Pull-down)

IIN

VI = 0

VI = OVDD

——

TBD

μA

High-impedance I/O supply

current

Icc-ovdd

VI = OVDD or 0

—

TBD

μA

Keeper Circuit Resistance

OVDD = 1.875V

OVDD = 2.775V

—

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