- 您现在的位置：买卖IC网 > PDF目录98145 > ST72F651AR6T1 (STMICROELECTRONICS) 8-BIT, FLASH, MICROCONTROLLER, PQFP64 PDF资料下载
参数资料
| 型号： | ST72F651AR6T1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, MICROCONTROLLER, PQFP64 |
| 封装： | 10 X 10 MM, ROHS COMPLIANT, TQFP-64 |
| 文件页数： | 67/161页 |
| 文件大小： | 2656K |
| 代理商： | ST72F651AR6T1 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页当前第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页第105页第106页第107页第108页第109页第110页第111页第112页第113页第114页第115页第116页第117页第118页第119页第120页第121页第122页第123页第124页第125页第126页第127页第128页第129页第130页第131页第132页第133页第134页第135页第136页第137页第138页第139页第140页第141页第142页第143页第144页第145页第146页第147页第148页第149页第150页第151页第152页第153页第154页第155页第156页第157页第158页第159页第160页第161页
ST72651AR6
159/161
Doc ID 7215 Rev 4
16 IMPORTANT NOTES
16.1 SPI Multimaster Mode
Multi master mode is not supported.
16.2
In-Circuit
Programming
of
devices
previously
programmed
with
Hardware
Watchdog option
Description
In-Circuit Programming of devices configured with
Hardware Watchdog (WDGSW bit in option byte 1
programmed to 0) requires certain precautions
(see below).
In-Circuit Programming uses ICC mode. In this
mode, the Hardware Watchdog is not automatical-
ly deactivated as one might expect. As a conse-
quence, internal resets are generated every 2 ms
by the watchdog, thus preventing programming.
The device factory configuration is Software
Watchdog so this issue is not seen with devices
that are programmed for the first time. For the
same reason, devices programmed by the user
with the Software Watchdog option are not impact-
ed.
The only devices impacted are those that have
previously been programmed with the Hardware
Watchdog option.
Workaround
Devices configured with Hardware Watchdog
must be programmed using a specific program-
ming mode that ignores the option byte settings. In
this mode, an external clock, normally provided by
the programming tool, has to be used. In ST tools,
this mode is called "ICP OPTIONS DISABLED".
Sockets on ST programming tools (such as
ST7MDT10-EPB) are controlled using "ICP OP-
TIONS DISABLED" mode. Devices can therefore
be reprogrammed by plugging them in the ST Pro-
gramming Board socket, whatever the watchdog
configuration.
When using third-party tools, please refer the
manufacturer's documentation to check how to ac-
cess specific programming modes. If a tool does
not have a mode that ignores the option byte set-
tings, devices programmed with the Hardware
watchdog option cannot be reprogrammed using
this tool.
16.3 Unexpected Reset Fetch
Description
If an interrupt request occurs while a "POP CC" in-
struction is executed, the interrupt controller does
not recognise the source of the interrupt and, by
default, passes the RESET vector address to the
CPU.
Workaround
To solve this issue, a "POP CC" instruction must
always be preceded by a "SIM" instruction.
16.4 I2C Multimaster
In multimaster configurations, if the ST7 I2C re-
ceives a START condition from another I2C mas-
ter after the START bit is set in the I2CCR register
and before the START condition is generated by
the ST7 I2C, it may ignore the START condition
from the other I2C master. In this case, the ST7
master will receive a NACK from the other device.
On reception of the NACK, ST7 can send a re-start
and Slave address to re-initiate communication.
相关PDF资料 |
PDF描述 |
|---|---|
| ST72P60E2M1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24 |
| ST7260E2M1/XXX | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24 |
| ST72T141K2M6XXX | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34 |
| ST72T141K2M3XXX | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34 |
| ST72T141K2MARE | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST72F651AR6T1E | 功能描述:8位微控制器 -MCU Flash 32K USB/DTC/I2 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| ST72P262M6/OZXTR | 制造商:STMicroelectronics 功能描述:ST72P262M6/OZXTR |
| ST72P324TA/OBZTR | 制造商:STMicroelectronics 功能描述: |
| ST72P324TA/OHXTR | 制造商:STMicroelectronics 功能描述: |
| ST72P4T128M-A05AU | 制造商:STEC Inc 功能描述:1GB,ECC,REG,DDR2-400,UNLEAD - Bulk |
发布紧急采购，3分钟左右您将得到回复。