參數(shù)資料
型號(hào)： MAXQ7667AACM/V+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 19/40頁(yè)
文件大?。?/td> 0K
描述： IC MCU-BASED DAS 16BIT 48-LQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 250
系列： MAXQ®
核心處理器： RISC
芯體尺寸： 16-位
速度： 16MHz
連通性： LIN，SPI，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，POR，WDT
輸入/輸出數(shù)： 16
程序存儲(chǔ)器容量： 32KB（16K x 16）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 2K x 16
電壓 - 電源 (Vcc/Vdd)： 2.25 V ~ 2.75 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 5x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 125°C
封裝/外殼： 48-LQFP
包裝： 托盤
MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
26
______________________________________________________________________________________
Connect bypass capacitors at each power-supply input
as close as possible to the device. Use a bypass
capacitor less than 0.47F on DVDDIO. For most appli-
cations, 0.1F bypass capacitors are adequate.
Supply Brownout Monitor
Power supplies DVDD, AVDD, and DVDDIO each
include a brownout monitor/supervisor that alerts the
C when their corresponding supply voltages drop
below the interrupt threshold. Activate each brownout
monitor independently using the corresponding
brownout enable bits: VDBE, VIBE, and VABE.
Reset
In reset mode, no instruction execution occurs and all
inputs/outputs return to their default states. Code exe-
cution resumes at address 8000h (in the utility ROM)
once the reset condition is removed.
Four different sources reset the MAXQ7667: POR,
watchdog timer reset, external reset, and internal sys-
tem reset.
During normal operation, force
RESET low for at least
four system clock cycles for an external reset. Set the
ROD bit in the SC register, while the SPE bit in the ICDF
register is set, for an internal system reset. See Section
16 of the
MAXQ7667 User’s Guide.
Power-On Reset (POR)
The MAXQ7667 includes a DVDD voltage supervisor to
control the C POR. On power-up, internal circuitry
pulls
RESET low and resets all the internal registers.
RESET is held low for the duration of the power-on
delay after VDVDD rises above the DVDD reset thresh-
old. The internal RC oscillator starts up and software
execution begins at the reset vector location 8000h
immediately after the device exits POR while
RESET is
I/O PAD
DVDDIO
P0._
100
K
100
K
DGND
EIE0._
EIES0._
DETECT
CIRCUIT
INTERRUPT
FLAG
PS0._
PR0._
PD0._
PO0._
SF DIRECTION
SF ENABLE
SF OUTPUT
PI0._ OR
SF INPUT
FLAG
MUX
MAXQ7667
Figure 13. Port 0 Digital I/O Basic Circuitry. Port 1 Circuitry is the Same as Port 2.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAXQ7667EVKIT 功能描述:開發(fā)板和工具包 - 其他處理器 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
MAXQ7667EVKIT+ 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7667 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
MAXQ7667EVKIT-1# 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7667EVKIT-1# RoHS:否 制造商:Maxim Integrated 產(chǎn)品: 工具用于評(píng)估: 核心: 接口類型: 工作電源電壓:
MAXQ7668AACM/V+ 功能描述:16位微控制器 - MCU Integrated Circuits (ICs) Embedded - Microcontrollers - ADC 12BIT 8CH SER 2.7V LQFP 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
MAXQ7668AACM/V+T 功能描述:16位微控制器 - MCU Integrated Circuits (ICs) Embedded - Microcontrollers - ADC 12BIT 8CH SER 2.7V LQFP 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
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