1T 20PIN 25MHz超值8051MCU 39R16A3

只看该作者 · 2013-6-15 21:34

本帖最后由 FOSVOSSH 于 2013-6-15 23:09 编辑

福跃电子提供相关技术开发方案：
SM39R16A3/OB39R16A3
Vcc: 1.8V~5.5V       Speed (Max) : 25MHz
ROM : 16K Bytes       ISP : Yes
RAM : 512 Bytes       ADC : Yes
I/O : 12/14/18       Package : 14L PDIP,14L SOP,16L SOP,16L PDIP,20L PDIP,20L SOP,20L SSOP

Features:

◆工作电压:1.8V ~ 5.5V
◆高速1T 架构，最高可达25MHz.
◆1~8T 模式可使用软件编程.
◆指令设置兼容 MCS-51.
◆内置22.1184MHz RC振荡器，及可程序化的分频器
◆16K 字节的片上闪存程序存储器
◆256 字节的标准的8052 RAM
◆双16-bit 数据指针 (DPTR0&DPTR1)
◆一个全双工通信的串行接口.附加波特率产生器
◆三个16-bit 的定时器/计数器（计时器0，1，2）
◆26 GPIOs(28L封装脚位)，GPIOs 可选择四种型态(准双向口、推挽、开漏、只输入)，默认准双向口(上拉)
◆具有四级优先权的外部中断0，1
◆可编程的看门狗定时器（WDT）.
◆一个IIC 接口（主/从机模式）
◆一个SPI 接口（主/从机模式）
◆2路脉宽调制(PWM)
◆4路16bit 比较(PWM)/捕获/重载功能
◆8路10bit 模拟数字转换（ADC）
◆片上内建运算放大器及比较器
◆片上闪存存储器支持ISP/IAP/ICP及EEPROM 功能.
◆ISP服务程序存储空间设置为N*256 byte (N=0 to 16).
◆片上在线仿真功能(ICE)及片上在线调试功能(OCD).
◆键盘接口(KBI) 共4个的中断源.
◆ALE 输出选择.
◆低电压中断/低电压复位(LVI/LVR ).
◆管脚ESD性能超过4KV.
◆增强用户代码保护.
◆电源管理单元空闲及掉电模式.

技术支持：

　如果您在使用福跃电子的产品过程中遇到问题，我们将为您提供全面的技术支持，您可以提出你的问题和下载相关资料，我们的技术论坛会帮助您解决问题。

只看该作者 · 2013-6-15 21:44

/*
//=========================================================================
// SyncMos/On-Bright MCU
// FOSVOS.cn
// 021-58998693
// Driver file for SM39R16A3/OB39R16A3, SM39R08A3/OB39R08A3
//=========================================================================
*/
#include "SM39R16A3.h"
#include "ADC.h"

#define d_ADCnEN 0x02
#define d_ADC_CLK_Sel d_ADC_CLK_DIV64
unsigned int n_data;

void ADCstart(unsigned char n_ADC_CH)
{
ADCC2 &= 0x7F; //ADC stop conversion
ADCC2 = n_ADC_CH; //Set a new channel
ADCC2 |= 0x80; //ADC start conversion
}

void ADCInit(unsigned char n_ADCnEN, unsigned char n_ADC_CLK)
{
ADCC1 = n_ADCnEN; //Set ADC channel
ADCCS = n_ADC_CLK; //Select ADC clock
IEADC = 1; //Enable ADC interrupt.
EA = 1;
}

unsigned int ADC_Read10()//10-bit ADC
{
unsigned int n_ADCD10 = 0x0000;
n_ADCD10 = (ADCDH<<2)|ADCDL; //10-bit ADC
return n_ADCD10;
}

void ADCInterrupt(void) interrupt d_ADC_Vector // ADC Interrupt Vector Address 0053h => interrupt 10
{
n_data = ADC_Read10(); //Read ADC
}

void ADC_stop(void)
{
ADCC2 &= 0x7F; //ADC stop conversion
IEADC = 0; //Disable ADC interrupt
}

void ADC(void)
{
if (d_ADCnEN & 0x01)
{
ADCstart(d_ADC_CH0_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x02)
{
ADCstart(d_ADC_CH1_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x04)
{
ADCstart(d_ADC_CH2_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x08)
{
ADCstart(d_ADC_CH3_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x10)
{
ADCstart(d_ADC_CH4_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x20)
{
ADCstart(d_ADC_CH5_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x40)
{
ADCstart(d_ADC_CH6_IN);
while(!ADCIF);
}
if (d_ADCnEN & 0x80)
{
ADCstart(d_ADC_CH7_IN);
while(!ADCIF);
}
}

只看该作者 · 2013-6-15 22:35

/*
//=========================================================================
// SyncMos/On-Bright MCU
// 上海福跃电子FOSVOS.cn
// 021-58998693
// Driver file for SM39R16A3/OB39R16A3, SM39R08A3/OB39R08A3
//=========================================================================
*/
#include "SM39R16A3.h"
#include "IIC.h"

//===============================
//IIC DEFINITIONs
//===============================
#define d_DEVICE_ID 0xA0 // user modify

#define d_BR32 0x00
#define d_BR64 0x01
#define d_BR128 0x02
#define d_BR256 0x03
#define d_BR512 0x04
#define d_BR1024 0x05
#define d_BR2048 0x06
#define d_BR4096 0x07
#define d_IIC_BR d_BR512 // user modify

#define d_MASTER 0x40
#define d_SLAVE 0x00
#define d_MODE_SEL d_MASTER // use master mode
#define d_IIC_EN 0x80
#define d_NACK 1
#define d_ACK 0
#define d_WRITE 0
#define d_READ 1

#define d_BB_DIS 0x00
#define d_BB_EN 0x08
#define d_BUS_BUSY d_BB_EN
#define d_AR_DIS 0x00
#define d_AR_EN 0x10
#define d_ARBITRATION d_AR_EN

#define d_CMD_RW 0x40
#define d_CMD_Start 0x80
#define d_CMD_Stop 0xC0

//===============================================================
//OWNED SUBROUTINES
//===============================================================

void IIC_interrupt(void) interrupt d_IIC_Vector
{
if(TXIF)
{
TXIF = 0; // Clear interrupt flag
}
if(RXIF)
{
RXIF = 0; // Clear interrupt flag
}
if(MPIF)
{
MPIF=0; // Clear interrupt flag
}
}

void IIC_Init_master(void)
{
IICA1    = d_DEVICE_ID;
IICS    = 0x00; // Clear IIC all status
IEN0 |= 0x80; // Enable interrupt All
IEN1 |= 0x20; // Enable interrupt IIC
IICCTL    = d_IIC_EN | d_MODE_SEL | d_ARBITRATION | d_BUS_BUSY | d_IIC_BR;
}

void IIC_Disable(void)
{
IICCTL    = 0x00; // Disable IIC all function
IEN1 &= 0xDF; // Disable interrupt IIC
IICS    = 0x00; // Clear IIC all status
}

//===============================================================
//This function will send out the Start or Re-Start pulse and CONTROL byte.
//===============================================================
bit IIC_SendStart(unsigned char ControlByte)
{
IICA1 = ControlByte; // MAS = 0

IICEBT = d_CMD_Start; // generate a start condition
while(IICEBT != 0x00)
{
;
}
return RXAK;
}

//===============================================================
//This function will send out the Stop pulse
//===============================================================
void IIC_SendStop(void)
{
IICEBT = d_CMD_Stop; // generate a stop condition
while(IICEBT != 0x00) // waiting data recive finish
{
;
}
}
//===============================================================
//This function will wait and receive one byte, then feedback ACK or NACK.
//===============================================================
unsigned char IIC_ReceiveByte(bit ACKStatus)
{
unsigned char temp;
TXAK = ACKStatus; // Feedback ACK/d_NACK to slave
IICEBT = d_CMD_RW; // Ready for receive

while(IICEBT != 0x00) // waiting data recive finish
{
;
}
temp = IICRWD;
//Delay(100); // finetune by user
return(temp);
}

void IIC_TransmitByte(unsigned char TxData)
{
IICRWD = TxData; // load data
IICEBT = d_CMD_RW; // trans. data
while(IICEBT != 0x00) // waiting data trans. finish
{
;
}
//Delay(100); // finetune by user
}

void IIC_Page_Write( char Crtl_byte, unsigned char Addr, char LEN)
{
unsigned char counter=0;

IIC_SendStart(Crtl_byte | d_WRITE); // -- Send CONTROL byte --

if(RXAK==d_ACK)
{
IIC_TransmitByte( Addr ); // -- Send ADDRESS --

for (counter=0; counter<LEN; counter++) // -- Write N bytes --
{
if(RXAK==d_ACK)
{
IIC_TransmitByte(Addr + counter); // -- Transmit one byte --
}
else
{
; // error process
}

}
}
else
{
; // error process
}
IIC_SendStop(); // -- Send STOP -- MStart= 0
}

void IIC_Random_Read( char Crtl_byte, unsigned char Addr, char LEN)
{
unsigned char Temp[16];
unsigned char counter=0;

IIC_SendStart(Crtl_byte | d_WRITE); // -- Send CONTROL byte --
if(RXAK==d_ACK)
{
IIC_TransmitByte(Addr); // -- Send ADDRESS --

if(RXAK==d_ACK)
{
IIC_SendStart(Crtl_byte | d_READ); // -- Send CONTROL byte --

for(counter=0; counter<LEN; counter++) // -- Read N byte --
{
if(RXAK==d_ACK)
{
if(counter<(LEN-1))
{
Temp[counter] = IIC_ReceiveByte(d_ACK); // Receive one byte
}
else
{
Temp[counter] = IIC_ReceiveByte(d_NACK);// Receive last byte
}
}
else
{
; // error process
}
}
}
else
{
; // error process
}
}
else
{
; // error process
}
IIC_SendStop(); // -- Send STOP -- MStart= 0
}

void Check_Arbitration(void) // multi-master use
{
// arbitration lost, set by H/W
// clear by S/W
while(LAIF)
{
LAIF = 0;
}
}

void Check_Busy(void) // multi-master use
{
// Bus busy, BB set by H/W
// Bus ready, BB clear by H/W or S/W
while(BB)
{
;
}
}

只看该作者 · 2013-6-15 22:37

/*
//=========================================================================
// SyncMos/On-Bright MCU
// 上海福跃电子FOSVOS.cn
// 021-58998693
// Driver file for SM39R16A3/OB39R16A3, SM39R08A3/OB39R08A3
//=========================================================================
*/
#include "SM39R16A3.h"
#include "IIC.h"

//=====================================================================
#define d_IIC_Adress_1 0xA0 // user modify
#define d_IIC_Adress_2 0x60 // user modify

#define d_ACK 0
#define d_NACK 1
#define d_Write 0
#define d_Read 1
#define d_null 0
#define d_CMD_RW 0x40
#define d_SAVE_ADDR 10
#define d_SAVE_DATA 20
//=====================================================================
bit RXfinish=0;
unsigned char n_RW = d_null;
unsigned char n_Addr = d_null;
unsigned char n_Next_Step = d_null;
unsigned char n_DAT[16];

//=====================================================================

void IIC_interrupt() interrupt d_IIC_Vector
{
if(RXIF)
{
if ((IICA1 & 0x01) | (IICA2 & 0x01)) //match
{
n_Next_Step = d_SAVE_ADDR;
n_RW = RW;
if (n_RW == d_Write)
IICEBT = d_CMD_RW; // IIC bus ready
}
else if (n_Next_Step == d_SAVE_ADDR)
{
n_Addr = IICRWD;
n_Next_Step = d_SAVE_DATA;
IICEBT = d_CMD_RW; // IIC bus ready
}
else if (n_Next_Step == d_SAVE_DATA)
{
n_DAT[n_Addr++] = IICRWD;
n_Next_Step = d_SAVE_DATA;
IICEBT = d_CMD_RW; // IIC bus ready
}
RXIF = 0;
}

if (TXIF)
{
//TXIF = 0; // Clear interrupt flag
}
}

void IIC_init_slave()
{
IFCON |= 0x80; // MCU 1T
IICS = 0x00; // init IICS
IRCON = 0x00; // init IRCON
IICEBT = d_CMD_RW; // IIC bus ready
IICA1 = d_IIC_Adress_1; // Control Byte 1
IICA2 = d_IIC_Adress_2; // Control Byte 2
IEN1 |= 0x20; // Enable interrupt IIC
IEN0 |= 0x80; // Enable interrupt All
IICCTL = 0x80; // Enable IIC module, slave mode, use IICA1
}

void TXIIC(char dd)
{
IICRWD = dd;
IICEBT = d_CMD_RW; // IIC bus ready
while(IICEBT != 0x00)
{
;
}
TXIF=0;
}

只看该作者 · 2013-6-16 00:07

#include "SM39R16A3.h"
#include "LVI_LVR.h"

#define d_LVI_EN 0x00
#define d_LVR_EN 0x01

void LVI_EN(void)
{
LVC |= 0x80;
IELVI = 1;
EA = 1;
}

void LVR_Disable(void)
{
LVC &= 0xDF;
}

void LVI(void) interrupt d_LVI_Vector
{

}
/*
//=========================================================================
// SyncMos/On-Bright MCU
// 上海福跃电子FOSVOS.cn
// 021-58998693
// Driver file for SM39R16A3/OB39R16A3, SM39R08A3/OB39R08A3
//=========================================================================
*/

只看该作者 · 2017-5-19 12:22

樓主問您一個問題方便回答嗎？是這樣的，我目前正在開發一款遙控器是用這一款IC，但是平常不用時想進入睡眠模式，先將LVR給關閉後便進入睡眠模式，但是電流仍有約6uA的耗電量，目前IC是放在洞洞板上，接腳都沒用，因為使用手冊上是說明在3V時，電流可至約1uA的狀態，所以想請教一下樓主是否還有可調整的項目。

1T 20PIN 25MHz超值8051MCU 39R16A3

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