MK50DX256CLL10 datasheet(2/79 Pages) FREESCALE

2 / 79 page

Table of Contents

1 Ordering parts...........................................................................4

1.1 Determining valid orderable parts......................................4

2 Part identification......................................................................4

2.1 Description.........................................................................4

2.2 Format...............................................................................4

2.3 Fields.................................................................................4

2.4 Example............................................................................5

3 Terminology and guidelines......................................................5

3.1 Definition: Operating requirement......................................5

3.2 Definition: Operating behavior...........................................6

3.3 Definition: Attribute............................................................6

3.4 Definition: Rating...............................................................7

3.5 Result of exceeding a rating..............................................7

3.6 Relationship between ratings and operating

requirements......................................................................7

3.7 Guidelines for ratings and operating requirements............8

3.8 Definition: Typical value.....................................................8

3.9 Typical value conditions....................................................9

4 Ratings......................................................................................10

4.1 Thermal handling ratings...................................................10

4.2 Moisture handling ratings..................................................10

4.3 ESD handling ratings.........................................................10

4.4 Voltage and current operating ratings...............................10

5 General.....................................................................................11

5.1 AC electrical characteristics..............................................11

5.2 Nonswitching electrical specifications...............................11

5.2.1

Voltage and current operating requirements.........12

5.2.2

LVD and POR operating requirements.................13

5.2.3

Voltage and current operating behaviors..............13

5.2.4

Power mode transition operating behaviors..........14

5.2.5

Power consumption operating behaviors..............15

5.2.6

EMC radiated emissions operating behaviors.......18

5.2.7

Designing with radiated emissions in mind...........19

5.2.8

Capacitance attributes..........................................19

5.3 Switching specifications.....................................................19

5.3.1

Device clock specifications...................................19

5.3.2

General switching specifications...........................20

5.4 Thermal specifications.......................................................21

5.4.1

Thermal operating requirements...........................21

5.4.2

Thermal attributes.................................................21

6 Peripheral operating requirements and behaviors....................22

6.1 Core modules....................................................................22

6.1.1

Debug trace timing specifications.........................22

6.1.2

JTAG electricals....................................................23

6.2 System modules................................................................26

6.3 Clock modules...................................................................26

6.3.1

MCG specifications...............................................26

6.3.2

Oscillator electrical specifications.........................28

6.3.3

32 kHz Oscillator Electrical Characteristics...........31

6.4 Memories and memory interfaces.....................................31

6.4.1

Flash electrical specifications................................31

6.4.2

EzPort Switching Specifications............................36

6.4.3

Flexbus Switching Specifications..........................37

6.5 Security and integrity modules..........................................40

6.6 Analog...............................................................................40

6.6.1

ADC electrical specifications.................................40

6.6.2

CMP and 6-bit DAC electrical specifications.........48

6.6.3

12-bit DAC electrical characteristics.....................51

6.6.4

Op-amp electrical specifications...........................54

6.6.5

Transimpedance amplifier electrical

specifications — full range....................................55

6.6.6

Transimpedance amplifier electrical

specifications — limited range..............................56

6.6.7

Voltage reference electrical specifications............57

6.7 Timers................................................................................58

6.8 Communication interfaces.................................................58

6.8.1

USB electrical specifications.................................58

6.8.2

USB DCD electrical specifications........................59

6.8.3

USB VREG electrical specifications......................59

6.8.4

DSPI switching specifications (limited voltage

range)....................................................................60

6.8.5

DSPI switching specifications (full voltage range).61

6.8.6

I2C switching specifications..................................63

6.8.7

UART switching specifications..............................63

6.8.8

SDHC specifications.............................................63

6.8.9

I2S/SAI Switching Specifications..........................64

6.9 Human-machine interfaces (HMI)......................................71

6.9.1

TSI electrical specifications...................................71

7 Dimensions...............................................................................72

7.1 Obtaining package dimensions.........................................72

K50 Sub-Family Data Sheet, Rev. 1, 6/2012.

Preliminary

Freescale Semiconductor, Inc.

General Business Information

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