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N32G455MBL7

Description
N32G455 Series ARM Cortex®-M4F 32-bit MCU
File Size3MB,87 Pages
ManufacturerNations
Websitehttps://www.nationstech.com
National Technology Co., Ltd. was founded in 2000 as part of the national "909" integrated circuit special project. It was listed on the Growth Enterprise Market in 2010 (stock code: 300077). It is a leading Chinese security chip and general MCU company, a national high-tech enterprise, with an independent security chip attack and defense technology laboratory and a postdoctoral research workstation. Headquartered in Shenzhen, it has branches in Beijing, Shanghai, Wuhan, Xi'an, Chongqing, Hong Kong, Singapore, Los Angeles and other places. The main products include: security chips, general MCUs, trusted computing chips, smart card chips, contactless read-write chips, Bluetooth chips, RCC innovative products, etc., which are widely used in network security authentication, e-banking, electronic certificates, mobile payment and mobile security, Internet of Things, industrial networking and industrial control, smart home appliances and smart home Internet of Things terminals, consumer electronics, motor drives, batteries and energy management, smart meters, medical electronics, automotive electronics, security, biometrics, communications, sensors, machine automation and other application directions.
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N32G455MBL7 Overview

N32G455 Series ARM Cortex®-M4F 32-bit MCU

N32G455MBL7 Parametric

Parameter NameAttribute value
Main frequency (MHz)144
Flash(KB)128
SRAM(KB)80
IO port65

N32G455MBL7 Preview

Download Datasheet
N32G455xB/xC/xE
数据手册
N32G455系列采用 32 bit ARM Cortex-M4F内核,最高工½主频144MHz,支持浮点运算和DSP指令,集成
多达512KB Flash,144KB SRAM, 4x12bit 5Msps ADC,4xOPAMP,7xCOMP,2x1Msps 12bit DAC,支持多
达24通道电容式触摸按键,集成多路U(S)ART、I2C、SPI、QSPI、USB、CAN通信接口,1xSDIO接口,内½
密码算法硬件加速引擎
关键特性
内核
CPU
32
½
ARM Cortex-M4
内核+
FPU,单周期硬件乘除法指令,支持 DSP
指令和
MPU
― 内½
8KB
指令
Cache
缓存,支持
Flash
加速单元执行程序
0
等待
最高主频
144MHz,180DMIPS
加密存储器
― 高达
512KByte
片内
Flash,支持加密存储、多用户分区管理及数据保护,支持硬件 ECC
校验,10
万次擦写次数,10 年数据保持
144KByte
片内
SRAM(包含 16KByte Retention RAM),Retention RAM
支持硬件奇偶校验
时钟
HSE:4MHz~32MHz
外部高速晶½
LSE:32.768KHz
外部½速晶½
HSI:内部高速 RC OSC 8MHz
LSI:内部½速 RC OSC 40KHz
― 内½高速
PLL
― 支持
1
路时钟输出,可配½为可配½系统时钟、HSE、HSI 或
PLL
后分频输出
复½
― 支持上电/掉电/外部引脚复½
― 支持可编程的½电压检测及复½
― 支持看门狗复½
通信接口
7
U(S)ART
接口, 最高速率达
4.5 Mbps,其中 3
USART
接口(支持
1xISO7816,1xIrDA,
LIN),4
UART
接口
3
SPI
接口,速度高达
36 MHz,其中 2
个支持
I2S
1
QSPI
接口,速率高达
144 Mbps
4
I2C
接口,速率高达
1 MHz,主从模式可配,从机模式下支持双地址响应
1
USB2.0 Full speed Device
接口
2
CAN 2.0A/B
总线接口
1
SDIO
接口,支持
SD/MMC
格式
高性½模拟接口
1
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