MCF5207CAG166 데이터 시트보기 (PDF) - Freescale Semiconductor

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MCF5207CAG166

ColdFire® Microprocessor

Freescale Semiconductor 

Electrical Characteristics

Table 7. DC Electrical Specifications (continued)

Characteristic

Symbol

Min

Max

Unit

SDRAM and FlexBus Supply Voltage

SDVDD

Mobile DDR/Bus Pad Supply Voltage (nominal 1.8V)

1.70

DDR/Bus Pad Supply Voltage (nominal 2.5V)

2.25

SDR/Bus Pad Supply Voltage (nominal 3.3V)

3.0

V

1.95

2.75

3.6

CMOS Input High Voltage

EVIH

2

EVDD + 0.3 V

CMOS Input Low Voltage

EVIL

VSS - 0.3

0.8

V

CMOS Output High Voltage

IOH = –5.0 mA

EVOH

EVDD - 0.4

—

V

CMOS Output Low Voltage

IOL = 5.0 mA

EVOL

—

0.4

V

SDRAM and FlexBus Input High Voltage

Mobile DDR/Bus Input High Voltage (nominal 1.8V)

DDR/Bus Pad Supply Voltage (nominal 2.5V)

SDR/Bus Pad Supply Voltage (nominal 3.3V)

SDVIH

1.35

1.7

2

V

SDVDD + 0.3

SDVDD + 0.3

SDVDD + 0.3

SDRAM and FlexBus Input Low Voltage

Mobile DDR/Bus Input High Voltage (nominal 1.8V)

DDR/Bus Pad Supply Voltage (nominal 2.5V)

SDR/Bus Pad Supply Voltage (nominal 3.3V)

SDVIL

V

VSS - 0.3

0.45

VSS - 0.3

0.8

VSS - 0.3

0.8

SDRAM and FlexBus Output High Voltage

SDVOH

V

Mobile DDR/Bus Input High Voltage (nominal 1.8V)

SDVDD - 0.35

—

DDR/Bus Pad Supply Voltage (nominal 2.5V)

2.1

—

SDR/Bus Pad Supply Voltage (nominal 3.3V)

2.4

—

IOH = –5.0 mA for all modes

SDRAM and FlexBus Output Low Voltage

SDVOL

Mobile DDR/Bus Input High Voltage (nominal 1.8V)

—

DDR/Bus Pad Supply Voltage (nominal 2.5V)

—

SDR/Bus Pad Supply Voltage (nominal 3.3V)

—

IOL = 5.0 mA for all modes

V

0.3

0.3

0.5

Input Leakage Current

Vin = IVDD or VSS, Input-only pins

Weak Internal Pull Up Device Current, tested at VIL Max.1

Input Capacitance 2

All input-only pins

All input/output (three-state) pins

Iin

IAPU

Cin

–1.0

-10

—

—

1.0

μA

- 130

μA

pF

7

7

NOTES:

1 Refer to the signals section for pins having weak internal pull-up devices.

2 This parameter is characterized before qualification rather than 100% tested.

5.4.1 PLL Power Filtering

To further enhance noise isolation, an external filter is strongly recommended for PLL analog VDD pins.

The filter shown in Figure 11 should be connected between the board VDD and the PLLVDD pins. The

resistor and capacitors should be placed as close to the dedicated PLLVDD pin as possible.

MCF5208 ColdFire® Microprocessor Data Sheet, Rev. 1

Freescale Semiconductor

21

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