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參數(shù)資料
| 型號(hào)： | MAXQ7667AACM/V+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/40頁 |
| 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： | 2,000 |
| 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： | 帶卷 (TR) |
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MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
______________________________________________________________________________________
13
Pin Description (continued)
PIN
NAME
FUNCTION
21
XOUT
Crystal Oscillator Output. Connect an external crystal or resonator between XIN and XOUT. Leave
XOUT unconnected when driving XIN with a 2.5V level clock or when an external clock source is
not used.
22
REG2P5
+2.5V Voltage Regulator Output
23
REG3P3
+3.3V Voltage Regulator Output
24
GATE5
+5V DVDDIO Voltage Regulator Control Output. GATE5 controls an external npn or nMOS
transistor that passes power to DVDDIO.
25
RESET
Reset Input/Output.
RESET is open drain with an internal pullup resistor to DVDDIO. Internal
circuitry pulls
RESET low when VDVDDIO falls below its brownout reset value or watchdog reset is
enabled and the watchdog timeout period expires. Force
RESET low externally for manual reset.
26
FILT
PLL VCO Control Input. Connect external filter components on FILT for the internal PLL circuit. See
the Typical Application Circuit/Functional Diagram.
27, 32
AVDD
Analog Supply Voltage. Connect all AVDD inputs directly to a +3.3V source or to REG3P3 for self-
powered operation. Bypass each AVDD to AGND with a 0.1F capacitor as close as possible to
the device.
28, 31, 33
AGND
Analog Ground. Connect all AGND nodes together. Connect to DGND at a single point.
29
ECHON
Negative Echo Input. AC-couple ECHON to an ultrasonic transducer.
30
ECHOP
Positive Echo Input. AC-couple ECHOP to an ultrasonic transducer.
34
REF
ADC Reference Input/Reference Buffer Output. When using the internal reference, the buffered
bandgap reference voltage (VREF) is provided for both SAR and sigma-delta ADCs. When using an
external reference, apply an external voltage source ranging between 1V and VAVDD at REF.
Disable the reference buffer when applying an external reference at REF. Bypass REF to AGND
with a 0.47F capacitor.
35
REFBG
+2.5V Reference Output/Reference Buffer Input. Bypass to AGND with a 0.47F capacitor.
36
AIN0
SAR ADC Input 0. AIN0 pairs with AIN1 in differential mode.
37
AIN1
SAR ADC Input 1. AIN1 pairs with AIN0 in differential mode.
38
AIN2
SAR ADC Input 2. AIN2 pairs with AIN3 in differential mode.
49
AIN3
SAR ADC Input 3. AIN3 pairs with AIN2 in differential mode.
40
AIN4
SAR ADC Input 4
41
N.C.
No Connection. Internally connected. Leave unconnected.
45
BURST
Burst Output. Burst is the ultrasonic transducer excitation pulse output. BURST remains in three-
state mode on power-up.
46
P1.0/TDO
Port 1 Data 0/JTAG Output. P1.0 is a general-purpose digital I/O. TDO is the JTAG serial data
output. Refer to the MAXQ7667 User’s Guide Sections 5 and 11.
47
P1.1/TMS
Port 1 Data 1/JTAG Test Mode-Select Input. P1.1 is a general-purpose digital I/O. TMS is the JTAG
mode-select input. Refer to the MAXQ7667 User’s Guide Sections 5 and 11.
48
P1.2/TDI
Port 1 Data 2/JTAG Input. P1.2 is a general-purpose digital I/O. TDI is the JTAG serial data input.
Refer to the MAXQ7667 User’s Guide Sections 5 and 11.
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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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