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K20P48M50SF0 Schematic ( PDF Datasheet ) - Freescale Semiconductor

Teilenummer K20P48M50SF0
Beschreibung K20 Sub-Family
Hersteller Freescale Semiconductor
Logo Freescale Semiconductor Logo 




Gesamt 30 Seiten
K20P48M50SF0 Datasheet, Funktion
Freescale Semiconductor
Data Sheet: Technical Data
Document Number: K20P48M50SF0
Rev. 4 5/2012
K20 Sub-Family
Supports the following:
MK20DN32VLF5, MK20DX32VLF5,
MK20DN64VLF5, MK20DX64VLF5,
MK20DN128VLF5, MK20DX128VLF5,
MK20DN32VFT5, MK20DX32VFT5,
MK20DN64VFT5, MK20DX64VFT5,
MK20DN128VFT5, MK20DX128VFT5
Features
Operating Characteristics
– Voltage range: 1.71 to 3.6 V
– Flash write voltage range: 1.71 to 3.6 V
– Temperature range (ambient): -40 to 105°C
Performance
– Up to 50 MHz ARM Cortex-M4 core with DSP
instructions delivering 1.25 Dhrystone MIPS per
MHz
Memories and memory interfaces
– Up to 128 KB program flash.
– Up to 32 KB FlexNVM on FlexMemory devices
– 2 KB FlexRAM on FlexMemory devices
– Up to 16 KB RAM
– Serial programming interface (EzPort)
Clocks
– 3 to 32 MHz crystal oscillator
– 32 kHz crystal oscillator
– Multi-purpose clock generator
System peripherals
– Multiple low-power modes to provide power
optimization based on application requirements
– 4-channel DMA controller, supporting up to 41
request sources
– External watchdog monitor
– Software watchdog
– Low-leakage wakeup unit
K20P48M50SF0
Security and integrity modules
– Hardware CRC module to support fast cyclic
redundancy checks
– 128-bit unique identification (ID) number per chip
Analog modules
– 16-bit SAR ADC
– Two analog comparators (CMP) containing a 6-bit
DAC and programmable reference input
– Voltage reference
Timers
– Programmable delay block
– Eight-channel motor control/general purpose/PWM
timer
– Two-channel quadrature decoder/general purpose
timer
– Periodic interrupt timers
– 16-bit low-power timer
– Carrier modulator transmitter
– Real-time clock
Communication interfaces
– USB full-/low-speed On-the-Go controller with on-
chip transceiver
– SPI module
– I2C module
– Three UART modules
– I2S module
Freescale reserves the right to change the detail specifications as may be
required to permit improvements in the design of its products.
© 2011–2012 Freescale Semiconductor, Inc.






K20P48M50SF0 Datasheet, Funktion
Terminology and guidelines
3.3.1 Example
This is an example of an attribute:
Symbol
CIN_D
Description
Input capacitance:
digital pins
Min.
Max.
7
Unit
pF
3.4 Definition: Rating
A rating is a minimum or maximum value of a technical characteristic that, if exceeded,
may cause permanent chip failure:
Operating ratings apply during operation of the chip.
Handling ratings apply when the chip is not powered.
3.4.1 Example
This is an example of an operating rating:
Symbol
VDD
Description
1.0 V core supply
voltage
Min.
–0.3
Max.
1.2
Unit
V
3.5 Result of exceeding a rating
40
30
20 The likelihood of permanent chip failure increases rapidly as
soon as a characteristic begins to exceed one of its operating ratings.
10
0
Measured characteristic
Operating rating
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
6 Freescale Semiconductor, Inc.

6 Page









K20P48M50SF0 pdf, datenblatt
General
5.2.2
LVD and POR operating requirements
Table 2. VDD supply LVD and POR operating requirements
Symbol Description
Min.
Typ.
Max.
Unit
VPOR
VLVDH
Falling VDD POR detect voltage
Falling low-voltage detect threshold — high
range (LVDV=01)
0.8 1.1 1.5
2.48 2.56 2.64
V
V
VLVW1H
VLVW2H
VLVW3H
VLVW4H
VHYSH
Low-voltage warning thresholds — high range
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
Low-voltage inhibit reset/recover hysteresis —
high range
2.62
2.72
2.82
2.92
2.70
2.80
2.90
3.00
±80
2.78
2.88
2.98
3.08
V
V
V
V
mV
VLVDL
Falling low-voltage detect threshold — low range
(LVDV=00)
1.54
1.60
1.66
V
VLVW1L
VLVW2L
VLVW3L
VLVW4L
VHYSL
Low-voltage warning thresholds — low range
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
• Level 3 falling (LVWV=10)
• Level 4 falling (LVWV=11)
Low-voltage inhibit reset/recover hysteresis —
low range
1.74
1.84
1.94
2.04
1.80
1.90
2.00
2.10
±60
1.86
1.96
2.06
2.16
V
V
V
V
mV
VBG Bandgap voltage reference
tLPO Internal low power oscillator period — factory
trimmed
0.97 1.00 1.03
900
1000
1100
V
μs
1. Rising thresholds are falling threshold + hysteresis voltage
Table 3. VBAT power operating requirements
Symbol Description
VPOR_VBAT Falling VBAT supply POR detect voltage
Min.
0.8
Typ.
1.1
Max.
1.5
Unit
V
Notes
1
1
Notes
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
12 Freescale Semiconductor, Inc.

12 Page





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