MCF5251DVM140 查看數據表（PDF） - Freescale Semiconductor

零件编号

产品描述 (功能)

生产厂家

MCF5251DVM140

ColdFire Processor

Freescale Semiconductor 

Electrical Specifications

Table 6. Recommended Operating Supply Voltages (continued)

Pin Name

Min

Typ

Max

Unit

USBGND

–

GND

–

V

RTCVDDA

3.0

–

4.2

V

RTCVSSA

–

GND

–

V

PLLCOREVDD

1.08

1.2

1.32

V

PLLCOREGND

–

GND

–

V

LININ

3.0

3.3

3.6

V

GND

–

GND

–

V

Table 7 provides the operating parameters for the linear regulator.

Table 7. Linear Regulator Operating Parameters

Characteristic

Symbol Min

Typ

Input Voltage (LININ)

Vin

3.0

3.3

Output Voltage (LINOUT)

Vout

1.08

1.2

Output Current

Iout

–

100

Power Dissipation

Pd

–

–

Load Regulation

10% Iout ≥ 90% Iout

–

–

50

Power Supply Rejection

PSRR

–

40

Max

3.6

1.32

–

500

60

–

Units

V

V

mA

mW

mV

dB

NOTE

A pmos regulator is used as a current source in this linear regulator, so a

10 µF capacitor (ESR 0... 5 Ohm) is needed on the output pin (LINOUT) to

integrate the current. Typically, this requires the use of a tantalum type

capacitor.

Table 8 provides the operating parameters for the ADC DC electrical characteristics.

Table 8. Operating Parameters for ADC DC Electrical Characteristics

Characteristic

Symbol Min

Operation Voltage Range for ADC

ADVDD

3

Common Mode Rejection

CMR

0

Reference Voltage (external)

ADREF

0

Input offset voltage

Input Hysteresis (ADINx = ADVDD/2)

ADC Input Linear Operating Range

Voffset

Vhyst

ADINx

–

0.73

0

Typ

Max

Units

–

3.6

V

–

ADVDD–1.1

v

–

ADVDD–1.1

v

10

–

mV

0.78

0.85

mV

–

ADVDD–1.1

V

Table 9 provides the DC electrical specifications for the digital pins.

MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 2.1

12

Freescale Semiconductor

Share Link: