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参数资料
| 型号： | MAXQ7670AATL/V+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | RISC MICROCONTROLLER, PQCC40 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, TQFN-40 |
| 文件页数： | 14/38页 |
| 文件大小： | 474K |
| 代理商： | MAXQ7670AATL/V+ |
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MAXQ7670A
Microcontroller with 12-Bit ADC,
PGA, 64KB Flash, and CAN Interface
______________________________________________________________________________________
21
The DVDD reset supervisor resets the MAXQ7670A
when the +2.5V DVDD falls below the reset threshold.
The processor remains in reset until DVDD returns
above the reset threshold. The C does not execute
commands in reset mode. See Figure 6 for the C
response to DVDD brownout and reset.
Refer to the
MAXQ7670 User’s Guide for detailed pro-
gramming information, and a more thorough descrip-
tion of POR and brownout behavior.
Internal 3.3V Linear Regulator
The integrated 3.3V 50mA linear regulator or an exter-
nal 3.3V supply powers AVDD. The integrated 3.3V reg-
ulator is inactive upon power-up. Enable the integrated
regulator with software programming after power-up.
When using an external supply, connect a regulated
3.3V supply to AVDD after applying DVDDIO.
Internal 2.5V Linear Regulator
The integrated 2.5V 50mA linear regulator or an exter-
nal 2.5V supply applied at DVDD powers DVDD.
Connect REGEN2 to GNDIO to enable the integrated
regulator. Connect REGEN2 to DVDDIO to use an
external supply. When using an external supply, con-
nect a regulated 2.5V supply to DVDD after applying
DVDDIO.
DVDDIO Current Requirements
Both internal linear regulators are capable of supplying
up to 50mA each. When using the regulators to power
AVDD and DVDD and to provide power to external
devices, make sure DVDDIO’s power input can source
a current greater than the sum of the MAXQ7670A sup-
ply current and the load currents of the two regulators.
DGND
NOMINAL
DVDD (+2.5V)
BROWNOUT
RESET
(BOR)
+2.38V
INTERNAL RESET
BOR STATE
RESET OUTPUT
+2.25V
BROWNOUT
INTERRUPT
(BOI)
DVLVL FLAG
(ASR[14])
DVBI FLAG
(ASR[4])
FLAG ARBITRARILY
CLEARED BY
C
VDBE BIT SET BY
C
DVDD BROWNOUT
INTERRUPT
THRESHOLD RANGE
Figure 6. DVDD Brownout and Reset Behavior
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAXQ7670ATL/V+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MAXQ7670ATL/V+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MAXQ7670ATL+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MAXQ7670ATL+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| MAXQ7670EVKIT+ | 功能描述:开发板和工具包 - 其他处理器 MAXQ7670 Eval Kit RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
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