參數(shù)資料
型號(hào)： MSP430F2131TRGET
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC24
封裝： GREEN, PLASTIC, QFN-24
文件頁(yè)數(shù)： 36/57頁(yè)
文件大?。?/td> 1276K
代理商： MSP430F2131TRGET
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439D -- SEPTEMBER 2004 -- REVISED SEPTEMBER 2010
41
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
JTAG fuse check mode
MSP430 devices that have the fuse on the TEST terminal have a fuse check mode that tests the continuity of
the fuse the first time the JTAG port is accessed after a power-on reset (POR). When activated, a fuse check
current, ITF, of 1 mA at 3 V, 2.5 mA at 5 V can flow from the TEST pin to ground if the fuse is not burned. Care
must be taken to avoid accidentally activating the fuse check mode and increasing overall system power
consumption.
When the TEST pin is again taken low after a test or programming session, the fuse check mode and sense
currents are terminated.
Activation of the fuse check mode occurs with the first negative edge on the TMS pin after power up or if TMS
is being held low during power up. The second positive edge on the TMS pin deactivates the fuse check mode.
After deactivation, the fuse check mode remains inactive until another POR occurs. After each POR the fuse
check mode has the potential to be activated.
The fuse check current will only flow when the fuse check mode is active and the TMS pin is in a low state (see
Figure 22). Therefore, the additional current flow can be prevented by holding the TMS pin high (default
condition).
Time TMS Goes Low After POR
TMS
ITF
ITEST
Figure 22. Fuse Check Mode Current, MSP430F21x1
NOTE:
The CODE and RAM data protection is ensured if the JTAG fuse is blown and the 256-bit bootloader
access key is used. Also, see the bootstrap loader section for more information.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSP430F2132CY 制造商:Texas Instruments 功能描述:IC MCU 16BIT 8KB FLASH DIE 制造商:Texas Instruments 功能描述:MSP430F2132 - DIE SALES
MSP430F2132-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER
MSP430F2132IPW 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr Microcontroller RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430F2132IPWR 功能描述:16位微控制器 - MCU 16B Ultra-Lo-Pwr Microcntrlr RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MSP430F2132IRHB 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER
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