SPC5702BECLU datasheet(50/98 Pages) FREESCALE

50 / 98 page

MPC560xS Microcontroller Data Sheet Data Sheet, Rev. 1

Preliminary—Subject to Change Without Notice

Electrical Characteristics

Freescale Semiconductor

3.5

DC Electrical Specifications

3.6

I/O Pad Electrical Characteristics

3.6.1

I/O Pad Types

The device provides four main I/O pad types depending of the associated alternate functions:

•

Slow pads are the most common pads, providing a good compromise between transition time and low electromagnetic

emission.

•

Medium pads provide fast enough transition for the serial communication channels with controlled current to reduce

electromagnetic emission.

•

Fast pads provide maximum speed. There are used for improved NEXUS debugging capability.

Medium and Fast pads can use slow configuration to reduce electromagnetic emission, at the cost of reducing AC performance.

3.6.2

I/O Input DC Characteristics

Table 17 provides input DC electrical characteristics as described in Figure 6.

Figure 6. I/O Input DC Electrical Characteristics Definition

Table 17. I/O Input DC Electrical Characteristics

Symbol

Parameter

Conditions1

Value2

Unit

Min

Typ

Max

VIH

Input high level CMOS

Schmitt Trigger

0.65VDD

VDD+0.4

VIL

Input low level CMOS

Schmitt Trigger

-0.4

0.35VDD

VHYS

CC3 Input hysteresis CMOS

Schmitt Trigger

0.1VDD

VIL

VIN

VIH

VINTERNAL

VDD

VHYS

(SIU register)

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