Arm Cortex-M4|Kinetis K20 50 MHz 32-bit USB MCUs

Arm Cortex-M4|Kinetis K20 50 MHz 32-bit USB MCUs | NXP Semiconductors

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Includes a rich suite of analog, communication, timing and control peripherals to accommodate a wide range of requirements
Maximizes board space and enhances performance with minimum-length interconnections
Provides performance efficiency with low power
Delivers significant BOM savings through smart on-chip integration
Shares the comprehensive enablement and scalability of the Kinetis^® portfolio

データ・シート

リファレンス・マニュアル

製品詳細

ブロック図

Kinetis K20 Entry Level USB MCUs Block Diagram

図を取得する PDF

Features

Ultra-Low-Power

11 low-power modes with power and clock gating for optimal peripheral activity and recovery times. Stop currents of <190 nA (VLLS0), run currents of <270 uA/MHz, 4 µs wake-up from Stop mode
Full memory and analog operation down to 1.71 volts for extended battery life
Low-leakage wake-up unit with up to eight internal modules and 16 pins as wake-up sources in low-leakage stop (LLS)/very low-leakage stop (VLLS) modes
Low-power timer for continual system operation in reduced power state

Flash, SRAM and FlexMemory

32 KB-128 KB flash. Fast access, high reliability with 4-level security protection
Up to 16 KB of SRAM
FlexMemory: Up to 2 KB of user-segmentable byte write/erase EEPROM for data tables/system data. EEPROM with over 10M cycles and flash with 70 µsec write time (brownouts without data loss or corruption). No user or system intervention to complete programming and erase functions and full operation down to 1.71 volts. In addition, FlexNVM from 32 KB for extra program code, data or EEPROM backup.

Mixed-Signal Capability

High-speed 16-bit ADC with configurable resolution. Single or differential output mode operation for improved noise rejection. 500 ns conversion time achievable with programmable delay block triggering
Up to two high-speed comparators providing fast and accurate motor over-current protection by driving PWMs to a safe state
Optional analog voltage reference provides an accurate reference to analog blocks and replaces external voltage references to reduce system cost

Performance

50 MHz Arm^® Cortex^®-M4 core with DSP instruction set, single cycle MAC and single instruction multiple data (SIMD) extensions.
Up to 4-channel DMA for peripheral and memory servicing with reduced CPU loading and faster system throughput
Cross bar switch enables concurrent multi-leader bus accesses, increasing bus bandwidth
Independent flash banks allow concurrent code execution and firmware updating with no performance degradation or complex coding routines

Timing and Control

Up to two FlexTimers with a total of 10 channels. Hardware dead-time insertion and quadrature decoding for motor control
Carrier modulator timer for infrared waveform generation in remote control applications
Four-channel 32-bit periodic interrupt timer provides time base for RTOS task scheduler or trigger source for ADC conversion and programmable delay block

Human-Machine Interface

Hardware touch-sensing interface with up to 16 inputs. Operates in low power modes (minimum current adder when enabled). Hardware implementation avoids software polling method. High sensitivity level allows use of overlay surfaces upto 5 mm thick.

Connectivity and Communications

Full-speed USB Device/Host/On-The-Go with device charge detect capability
Optimized charging current/time for portable USB devices, enabling longer battery life
USB low-voltage regulator supplies up to 120 mA off chip at 3.3 volts to power external components from 5-volt input
Up to three UARTs. One UART supports RS232 with flow control, RS485, ISO7816 and IrDA. All other two UARTS support RS232 with flow control and RS485
One inter-IC Sound (I²S) serial interface for audio system interfacing
One DSPI and one I²C

Reliability, Safety and Security

Memory protection unit provides memory protection for all leaders on the cross bar switch, increasing software reliability
Cyclic redundancy check engine validates memory contents and communication data, increasing system reliability
Independent-clocked COP guards against clock skew or code runaway for fail-safe applications such as the IEC 60730 safety standard for household appliances
External watchdog monitor drives output pin to safe state external components if watchdog event occurs
This product is included in NXP's product longevity program, with assured supply for a minimum of 10 years after launch

SGTL5000

アクティブ

補足

Ultra-Low-Power Audio Codec

データ・シート:
PDF

K20_72

アクティブ

類似

Kinetis^® K20-72 MHz, Full-Speed USB, Mixed-Signal Integration Microcontrollers (MCUs) based on Arm^® Cortex^®-M4 Core

データ・シート:
PDF

K22_100

アクティブ

類似

Kinetis^® K22-100 MHz, Cost Effective, Full-Speed USB Microcontrollers (MCUs) based on Arm^® Cortex^®-M4 Core

データ・シート:
PDF

K22_50

アクティブ

類似

Kinetis^® K22-50 MHz, Cost Effective, Full-Speed USB Microcontrollers (MCUs) based on Arm^® Cortex^®-M4 Core

データ・シート:
PDF

購入/パラメータ

パーツ説明を表示	状況	コア・タイプ	動作周波数[最大](MHz)	SRAM (kB)	Flash (kB)	EEPROM (KB)	UART	SPI	I²C	USB Controllers	汎用I/O	ADC (16 bit)	16-bit PWM	セキュリティ	ヒューマン・マシン・インタフェース	電源電圧 [最小] (V)	電源電圧 [最大] (V)	パッケージタイプ	パッケージ端子数	Package Dimensions (LxWxZ (mm))	Package Pitch (mm)	Ambient Operating Temperature (Min to Max) (℃)
MK20DN128VFM5 データ・シート	アクティブ	Arm Cortex-M4	50	16	128	—	2	1	1	1	20	1	10	CRC	—	1.71	3.6	HVQFN32	32	5 x 5 x 0.9	0.5	-40 to 105
MK20DN128VFT5 データ・シート	アクティブ	Arm Cortex-M4	50	16	128	—	3	1	1	1	29	1	10	CRC	—	1.71	3.6	HVQFN48	48	7 x 7 x 1	0.5	-40 to 105
MK20DN128VLF5 データ・シート	アクティブ	Arm Cortex-M4	50	16	128	—	3	1	1	1	29	1	10	CRC	—	1.71	3.6	LQFP48	48	7 x 7 x 1.4	0.5	-40 to 105
MK20DN128VLH5 データ・シート	アクティブ	Arm Cortex-M4	50	16	128	—	3	1	1	1	40	1	10	CRC	—	1.71	3.6	LQFP64	64	10 x 10 x 1.4	0.5	-40 to 105
MK20DN128VMP5 データ・シート	アクティブ	Arm Cortex-M4	50	16	128	—	3	1	1	1	40	1	10	CRC	—	1.71	3.6	LFBGA64	64	5 x 5 x 1.23	0.5	-40 to 105
MK20DN32VFM5 データ・シート	アクティブ	Arm Cortex-M4	50	8	32	—	2	1	1	1	20	1	10	CRC	—	1.71	3.6	HVQFN32	32	5 x 5 x 0.9	0.5	-40 to 105
MK20DN32VFT5 データ・シート	アクティブ	Arm Cortex-M4	50	8	32	—	3	1	1	1	29	1	10	CRC	—	1.71	3.6	HVQFN48	48	7 x 7 x 1	0.5	-40 to 105
MK20DN32VLF5 データ・シート	アクティブ	Arm Cortex-M4	50	8	32	—	3	1	1	1	29	1	10	CRC	—	1.71	3.6	LQFP48	48	7 x 7 x 1.4	0.5	-40 to 105
MK20DN32VLH5 データ・シート	アクティブ	Arm Cortex-M4	50	8	32	—	3	1	1	1	40	1	10	CRC	—	1.71	3.6	LQFP64	64	10 x 10 x 1.4	0.5	-40 to 105
MK20DN32VMP5 データ・シート	アクティブ	Arm Cortex-M4	50	8	32	—	3	1	1	1	40	1	10	CRC	—	1.71	3.6	LFBGA64	64	5 x 5 x 1.23	0.5	-40 to 105

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