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参数资料
| 型号： | MSP430C325IPM |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, OTPROM, 3.3 MHz, RISC MICROCONTROLLER, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 18/35页 |
| 文件大小： | 511K |
| 代理商： | MSP430C325IPM |
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MSP430C32x, MSP430P325A
MIXED SIGNAL MICROCONTROLLER
SLAS219B MARCH 1999 REVISED MARCH 2000
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
TYPICAL CHARACTERISTICS
JTAG fuse check mode
MSP430 devices that have the fuse on the TDI/VPP 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 TDI/VPP 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.
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.
Time TMS Goes Low After POR
TMS
ITF
ITDI
Figure 8. Fuse Check Mode Current, MSP430P/E325A, C32x
Care must be taken to avoid accidentally activating the fuse check mode, including guarding against EMI/ESD
spikes that could cause signal edges on the TMS pin.
Configuration of TMS, TCK, TDI/VPP and TDO/TDI pins in applications.
C3xx
P/E3xx
TDI
Open
68k, pulldown
TDO
Open
68k, pulldown
TMS
Open
TCK
Open
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MSP430C32X | 制造商:TI 制造商全称:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER |
| MSP430C32XPG | 制造商:TI 制造商全称:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER |
| MSP430C336 | 制造商:TI 制造商全称:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C336HFD | 制造商:TI 制造商全称:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C336IPJM | 制造商:TI 制造商全称:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
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