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參數(shù)資料
| 型號： | MAXQ622G-0000+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 12 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封裝： | ROHS COMPLIANT, LQFP-64 |
| 文件頁數(shù)： | 27/35頁 |
| 文件大小： | 1430K |
| 代理商： | MAXQ622G-0000+ |
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16-Bit Microcontrollers with
Infrared Module and Optional USB
MAXQ612/MAXQ622
______________________________________________________________________________________ 33
Applications Information
The low-power, high-performance RISC architecture of
this device makes it an excellent fit for many portable
or battery-powered applications. It is ideally suited for
applications such as universal remote controls that
require the cost-effective integration of IR transmit/
receive capability.
Grounds and Bypassing
Careful PCB layout significantly minimizes system-level
digital noise that could interact with the microcontroller
or peripheral components. The use of multilayer boards
is essential to allow the use of dedicated power planes.
The area under any digital components should be a con-
tinuous ground plane if possible. Keep bypass capacitor
leads short for best noise rejection and place the capaci-
tors as close to the leads of the devices as possible.
CMOS design guidelines for any semiconductor require
that no pin be taken above VDD or below GND. Violation
of this guideline can result in a hard failure (damage to
the silicon inside the device) or a soft failure (uninten-
tional modification of memory contents). Voltage spikes
above or below the device’s absolute maximum ratings
can potentially cause a devastating IC latchup.
Microcontrollers commonly experience negative volt-
age spikes through either their power pins or general-
purpose I/O pins. Negative voltage spikes on power pins
are especially problematic as they directly couple to the
internal power buses. Devices such as keypads can
conduct electrostatic discharges directly into the micro-
controller and seriously damage the device. System
designers must protect components against these tran-
sients that can corrupt system memory.
Additional Documentation
Designers must have the following documents to fully
use all the features of this device. This data sheet
contains pin descriptions, feature overviews, and elec-
trical specifications. Errata sheets contain deviations
from published specifications. The user’s guides offer
detailed information about device features and opera-
tion. The following documents can be downloaded from
This MAXQ612/MAXQ622 data sheet, which contains
electrical/timing specifications and pin descriptions.
The MAXQ612 /MAXQ622 revision-specific errata sheet
The MAXQ622 User’s Guide, which contains detailed
information on features and operation, including pro-
gramming.
Table 7. Stop Mode Power-Fail Detection States with Power-Fail Monitor Disabled
(continued)
STATE
POWER-FAIL
INTERNAL
REGULATOR
CRYSTAL
OSCILLATOR
SRAM
RETENTION
COMMENTS
D
Off
Yes
Application enters stop mode.
VDD > VRST.
CPU in stop mode.
E
On
(Periodically)
Off
Yes
VPOR < VDD < VRST.
An interrupt occurs that causes the CPU to
exit stop mode.
Power-fail monitor is turned on, detects a
power-fail, and puts CPU in reset.
Power-fail monitor is turned on periodically.
F
Off
—
VDD < VPOR.
Device held in reset. No operation allowed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAXQ622G-0000+ | 功能描述:16位微控制器 - MCU 16-Bit MCU w/Infrared Module RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ622G-UEI+ | 制造商:Maxim Integrated Products 功能描述:MAXQ622 BLANK 64 LQFP FW SCRT UEI - Rail/Tube |
| MAXQ622-KIT# | 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ622 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MAXQ622X-0000+ | 功能描述:16位微控制器 - MCU 16-Bit MCU w/Infrared Module RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MAXQ622X-UEI+ | 制造商:Maxim Integrated Products 功能描述:MAXQ622 BLANK WLF FW SCRT UEI - Gel-pak, waffle pack, wafer, diced wafer on film |
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