MSC8252 datasheet(35/68 Pages) FREESCALE

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Electrical Characteristics

MSC8252 Dual-Core Digital Signal Processor Data Sheet, Rev. 3

Freescale Semiconductor

2.5.4

RGMII and Other Interface DC Electrical Characteristics

Table 17 describes the DC electrical characteristics for the following interfaces:

•RGMII Ethernet

•

SPI

•TDM

•GPIO

•

UART

•TIMER

•EE

•I2C

•

Interrupts (IRQn, NMI_OUT, INT_OUT)

•

Clock and resets (CLKIN, PORESET, HRESET, SRESET)

•

DMA External Request

•JTAG signals

Table 17. 2.5 V I/O DC Electrical Characteristics

Characteristic

Symbol

Min

Max

Unit

Notes

Input high voltage

VIH

1.7

—

Input low voltage

VIL

—0.7

Input high current (VIN = VDDIO)IIN

—10

μA2

Output low current (VIN = GND)

IIL

–15

—

μA2

Output high voltage (VDDIO = min, IOH = –1.0 mA

VOH

2.0

VDDIO + 0.3

Output low voltage (VDDIO = min, IOL= 1.0 mA)

VOL

GND – 0.3

0.40

Notes:

The min VIL and max VIH values are based on the respective min and max VIN values listed in Table 3.

The symbol VIN represents the input voltage of the supply. It is referenced in Table 3.

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