SC92F7447BP48R datasheet, PDF - EEWORLD Datasheet

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SC92F7447BP48R: Description48PIN, 1T 8051 core Flash MCU, 1 Kbytes SRAM, 16 Kbytes Flash, 128 bytes independent EEPROM; CategoryThe embedded processor and controller; File Size2MB，102 Pages; ManufacturerShenzhen SinOne Microelectronics Co., Ltd.; Websitehttp://www.socmcu.com/; Saiyuan Microelectronics was established in January 2011 in the South District of Shenzhen Science and Technology Park. It is a high-tech company focusing on Flash MCU IC design. Saiyuan Microelectronics has nearly 20 years of industrial-grade MCU technology accumulation, and the entrepreneurial team comes from core personnel of well-known companies in the mainland and Taiwan. Relying on the strong support of domestic and foreign IP companies and well-known IC foundries, it has developed a series of industrial-grade general-purpose and special Flash MCU products with high reliability and high cost performance. This series of products has been successfully used by many well-known customers in the industry and is widely used in large and small household appliances, industrial control, motor drive, medical health, security, consumption and other fields.

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48PIN, 1T 8051 core Flash MCU, 1 Kbytes SRAM, 16 Kbytes Flash, 128 bytes independent EEPROM

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SinOne

SC92F7447B/7446B/7445B

超高速

1T 8051

内核

Flash MCU

，1

Kbytes SRAM

，16

Kbytes Flash，128 bytes

独立

EEPROM，12

ADC，1

个模拟比较器，LCD/LED

Driver，12

PWM，3

个定时器，乘除

法器，UART，SSI ，Check

Sum

校验模块

总½描述

SC92F7447B/7446B/7445B

（以下简称

SC92F744XB）系列是一颗增强型的超高速 1T 8051

内核

工业级

Flash

微控制器，指令系统完全兼容传统

8051

产品

系列。SC92F744XB 集成有

16 Kbytes Flash ROM、1

Kbytes SRAM

、128

bytes EEPROM、最多 46

个

GP I/O、

个

可外部中断、3 个

½定时器、17 路

½高精

度

ADC、1

个模拟比较器、8 路

PWM、IO

驱动分级

控制（LED

segment

口）、1 个

16 ×16

½硬件乘除法器、

内部±

1%高精度高频 16/8/4/1.33MHz

振荡器和±

4%精度½

频

128K

振荡器、可外接晶½振荡器、UART 等通讯接口等

资源。为提高可靠性及简化客户电路，SC92F744XB 内部

也集成有

级可选电压

LVR、2.4V

基准

ADC

参考电压、

½耗电

WDT

等高可靠电路。SC92F744XB 具有非常优异

的抗干扰性½，非常适合应用于各种物联½控制、大小智

½家电和智½家居、充电器、电源、航模、对讲机、无线

通讯、游戏机等工业控制和消费应用领域。



可½为

WDT

的时钟源

频率误差：跨越

(4.0V ~ 5.5V)

及

(-20 ~ 85℃)，频率

误差不超过

½电压复½（LVR）：



复½电压有

级可选：

4.3V、3.7V、2.9V、2.3V



缺省值为用户烧写

Code Option

所选值

Flash

烧写和仿真：



线

JTAG

烧写和仿真接口。可通过

Code Option

设

为

JTAG

专用模式和常规模式

中断（INT）：



Timer0，Timer1，Timer2，INT0~2，ADC，PWM，

UART，SSI，Base Timer，CMP

共

个中断源



外部中断有

个中断向量，共

个中断口，全部可

设上升沿、下降沿、双沿中断



两级中断优先级可设

数字外围：



最大

个双向可独立控制的

I/O

口，可独立设定上拉

电阻



P0~P3L（P3.0/1/2/3）口源驱动½力分四级控制



全部

具有大灌电流驱动½力（50mA）



WDT，可选时钟分频比



个标准

80C51

定时器

Timer0、Timer1

和

Timer2



路共用周期、单独可调占空比的

PWM



个独立

UART

通信口



个

UART/SPI/IIC

三选一

SSI

通信口



集成

16 ×16

½硬件乘除法器

LCD/LED

驱动器：



LCD/LED

二选一，共用寄存器和

口



8 X 24、6 X 26、5 X 27、或 4X 28

段

LED

驱动



LED segment

口源驱动½力分四级控制



8 X 24、6 X 26、5 X 27、或 4X 28

段

LCD

驱动



SC92F7445B

无

LCD/LED Driver

模拟外围：



路

½±

2LSB ADC



内建基准的

2.4V

参考电压



ADC

的参考电压有

种选择，分别是

以及

内部

2.4V



内部一路

ADC

可直接测量

电压



可设

ADC

½换完成中断



个模拟比较器



四路输入一路参考电压输入



比较电压

级可选（V

分压）

省电模式：



IDLE Mode，可由任½中断唤醒



STOP Mode，可由 INT0~2

和

Base Timer

唤醒

主要功½

工½电压：2.4V~5.5V

工½温度：-40

~ 85℃

封装：

SC92F7447B (LQFP48)

SC92F7446B (LQFP44)

SC92F7445B (LQFP32)

内核：超高速的单字节指令

1T 8051

Flash ROM：16

Kbytes Flash ROM（MOVC

禁止寻址

0000H~00FFH

的

256 bytes）

IAP：可

code option

成

0K、0.5K、1K

或

16K

EEPROM：128

bytes，无需擦除，10

万次写入，10 年以

上保存寿½

SRAM：内部

256 bytes+外部 768 bytes+PWM&LCD RAM

44 bytes

系统时钟（f

SYS

）：



内建高频

16MHz

振荡器（f

HRC

）



工½的系统时钟，可通过编程器选择设定为：



16MHz @2.9~5.5V



8/4/1.33MHz@2.4~5.5V



频率误差：跨越

(3.0V~5.5V)

及

(-20 ~ 85℃)

应用环

境，不超过

内½½频晶½振荡器电路：



可外接

32K

振荡器，½为

Base Timer

时钟源，可唤

醒

STOP

内建½频

128kHz LRC

振荡器：



可½为

BaseTimer

的时钟源，并唤醒

STOP

Page 1 of 102

预

览

版

本

V0.2

http://www.socmcu.com

SinOne

目½

SC92F7447B/7446B/7445B

超高速

1T 8051

内核

Flash MCU

总½描述

............................................................................................................................... 1

主要功½

............................................................................................................................... 1

系列产品½名规则

............................................................................................................... 2

目½

.......................................................................................................................................... 3

管脚定义

............................................................................................................................... 7

3.1 LQFP48/LQFP44

管脚配½

....................................................................................................................... 7

3.1.1 LQFP48/LQFP44

管脚定义

.............................................................................................................. 9

3.2 LQFP32

管脚配½

.................................................................................................................................... 13

3.2.1 LQFP32

管脚定义

.......................................................................................................................... 14

5 FLASH ROM

和

SRAM

结构

............................................................................................... 17

5.3 sram ......................................................................................................................................................... 20

5.3.1

内部

256 bytes SRAM .................................................................................................................... 20

5.3.2

外部

768 bytes SRAM .................................................................................................................... 22

5.3.3 PWM&LCD 44 bytes SRAM ........................................................................................................ 22

特殊功½寄存器(SFR)

......................................................................................................... 22

6.1 SFR

映像

.................................................................................................................................................. 22

6.2 SFR

说明

.................................................................................................................................................. 23

6.2.1 8051 CPU

内核常用特殊功½寄存器介绍

...................................................................................... 24

电源、复½和时钟

............................................................................................................... 25

7.1

电源电路

................................................................................................................................................... 25

7.2

上电复½过程

............................................................................................................................................ 25

7.2.1

复½阶段.........................................................................................................................................

7.2.2

调入信息阶段

................................................................................................................................. 25

7.2.3

正常操½阶段

................................................................................................................................. 26

7.3

复½方式

................................................................................................................................................... 26

Page 3 of 102

V0.2

http://www.socmcu.com

预

5.2 Customer Option

区域（用户烧写设½）

.............................................................................................. 18

5.2.1 Option

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