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ATSAM4LS4B 데이터시트 PDF




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부품번호 ATSAM4LS4B 기능
기능 ATSAM ARM-based Flash MCU
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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ATSAM4LS4B 데이터시트, 핀배열, 회로
Summary
Atmel's SAM4L series is a member of a family of Flash microcontrollers based
on the high performance 32-bit ARM Cortex-M4 RISC processor running at fre-
quencies up to 48MHz.
The SAM4L series embeds state-of-the-art picoPower technology for ultra-low
power consumption. Combined power control techniques are used to bring
active current consumption down to 90µA/MHz. The device allows a wide range
of options between functionality and power consumption, giving the user the
ability to reach the lowest possible power consumption with the feature set
required for the application. The WAIT and RETENTION modes provide full logic
and RAM retention, associated with fast wake-up capability (<1.5µs) and a very
low consumption of, respectively, 3 µA and 1.5 µA. In addition, WAIT mode sup-
ports SleepWalking features. In BACKUP mode, CPU, peripherals and RAM are
powered off and, while consuming less than 0.9µA with external interrupt wake-
up supported.
The SAM4L series offers a wide range of peripherals such as segment LCD con-
troller, embedded hardware capacitive touch (QTouch), USB device & embedded
host, 128-bit AES and audio interfaces in addition to high speed serial peripher-
als such as USART, SPI and I2C. Additionally the Peripheral Event System and
SleepWalking allows the peripherals to communicate directly with each other
and make intelligent decisions and decide to wake-up the system on a qualified
events on a peripheral level; such as I2C address match or and ADC threshold.
ATSAM---e
ARM-based
Flash MCU
SAM4L Series
Features
Core
– ARM® CortexTM-M4 running at up to 48MHz
– Memory Protection Unit (MPU)
– Thumb®-2 instruction set
picoPower® Technology for Ultra-low Power Consumption
– Active mode downto 90µA/MHz with configurable voltage scaling
– High performance and efficiency: 28 coremark/mA
– Wait mode downto 3µA with fast wake-up time (<1.5µs) supporting SleepWalking
– Full RAM and Logic Retention mode downto 1.5µA with fast wake-up time (<1.5µs)
– Ultra low power Backup mode with/without RTC downto 1,5/0.9µA
Memories
– From 128 to 512Kbytes embedded Flash, 64-bit wide access,
• 0 wait-state capability up to 24MHz
– up to 64Kbytes embedded SRAM
System Functions
– Embedded voltage linear and switching regulator for single supply operation
– Two Power-on-Reset and Two Brown-out Detectors (BOD)
– Quartz or ceramic resonator oscillators: 0.6 to 30MHz main power with Failure
Detection and low power 32.768 kHz for RTC or device clock
– High precision 4/8/12MHz factory trimmed internal RC oscillator
– Slow Clock Internal RC oscillator as permanent low-power mode device clock
– High speed 80MHz internal RC oscillator
– Low power 32kHz internal RC oscillator
– PLL up to 240MHz for device clock and for USB
42023G–03/2014




ATSAM4LS4B pdf, 반도체, 판매, 대치품
ATSAM4L8/L4/L2
events, even in sleep modes where the module clock is stopped. Power monitoring is supported
by on-chip Power-on Reset (POR18, POR33), Brown-out Detectors (BOD18, BOD33). The
device features several oscillators, such as Phase Locked Loop (PLL), Digital Frequency
Locked Loop (DFLL), Oscillator 0 (OSC0), Internal RC 4,8,12MHz oscillator (RCFAST), system
RC oscillator (RCSYS), Internal RC 80MHz, Internal 32kHz RC and 32kHz Crystal Oscillator.
Either of these oscillators can be used as source for the system clock. The DFLL is a program-
mable internal oscillator from 40 to 150MHz. It can be tuned to a high accuracy if an accurate
reference clock is running, e.g. the 32kHz crystal oscillator.
The Watchdog Timer (WDT) will reset the device unless it is periodically serviced by the soft-
ware. This allows the device to recover from a condition that has caused the system to be
unstable.
The Asynchronous Timer (AST) combined with the 32kHz crystal oscillator supports powerful
real-time clock capabilities, with a maximum timeout of up to 136 years. The AST can operate in
counter or calendar mode.
The Frequency Meter (FREQM) allows accurate measuring of a clock frequency by comparing it
to a known reference clock.
The Full-speed USB 2.0 device and embedded host interface (USBC) supports several USB
classes at the same time utilizing the rich end-point configuration.
The device includes six identical 16-bit Timer/Counter (TC) channels. Each channel can be inde-
pendently programmed to perform frequency measurement, event counting, interval
measurement, pulse generation, delay timing, and pulse width modulation.
The ATSAM4L8/L4/L2 also features many communication interfaces, like USART, SPI, or TWI,
for communication intensive applications. The USART supports different communication modes,
like SPI Mode and LIN Mode.
A general purpose 16-channel ADC is provided, as well as four analog comparators (ACIFC).
The ADC can operate in 12-bit mode at full speed. The analog comparators can be paired to
detect when the sensing voltage is within or outside the defined reference window.
Atmel offers the QTouch Library for embedding capacitive touch buttons, sliders, and wheels
functionality. The patented charge-transfer signal acquisition offers robust sensing and includes
fully debounced reporting of touch keys as well as Adjacent Key Suppression® (AKS®) technol-
ogy for unambiguous detection of key events. The easy-to-use QTouch Suite toolchain allows
you to explore, develop, and debug your own touch applications.
The Audio Bitstream DAC (ABDACB) converts a 16-bit sample value to a digital bitstream with
an average value proportional to the sample value. Two channels are supported, making the
ABDAC particularly suitable for stereo audio.
The Inter-IC Sound Controller (IISC) provides a 5-bit wide, bidirectional, synchronous, digital
audio link with external audio devices. The controller is compliant with the Inter-IC Sound (I2S)
bus specification.
42023G–SAM–03/2014
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ATSAM4LS4B 전자부품, 판매, 대치품
42023G–SAM–03/2014
ATSAM4L8/L4/L2
Table 2-2. ATSAM4LC Configuration Summary
Feature
ATSAM4LC8/4/2C ATSAM4LC8/4/2B ATSAM4LC8/4/2A
Oscillators
Digital Frequency Locked Loop 20-150MHz (DFLL)
Phase Locked Loop 48-240MHz (PLL)
Crystal Oscillator 0.6-30MHz (OSC0)
Crystal Oscillator 32kHz (OSC32K)
RC Oscillator 80MHz (RC80M)
RC Oscillator 4,8,12MHz (RCFAST)
RC Oscillator 115kHz (RCSYS)
RC Oscillator 32kHz (RC32K)
ADC
15-channel
7-channel
3-channel
DAC
1-channel
Analog Comparators
42
1
CATB Sensors
32 32
26
USB
1
Audio Bitstream DAC
1
IIS Controller
1
Packages
TQFP/VFBGA
TQFP/QFN/
WLCSP
TQFP/QFN
.
Table 2-3. ATSAM4LS Configuration Summary
Feature
ATSAM4LS8/4/2C
Number of Pins
100
Max Frequency
Flash
SRAM
SEGMENT LCD
GPIO
80
High-drive pins
6
External Interrupts
ATSAM4LS8/4/2B
64
48MHz
512/256/128KB
64/32 /32KB
NA
48
3
8 + 1 NMI
TWI 2 Masters + 2 Masters/Slaves
USART
PICOUART
Peripheral DMA Channels
AESA
Peripheral Event System
SPI
Asynchronous Timers
4
1
16
1
1
1
1
ATSAM4LS8/4/2A
48
32
1
1 Master + 1
Master/Slave
3 in LC sub series
4 in LS sub series
0
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