參數(shù)資料
型號(hào)： ST10F269Z2Q3
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封裝： 28 X 28 MM, PLASTIC, QFP-144
文件頁數(shù)： 16/160頁
文件大?。?/td> 1541K
代理商： ST10F269Z2Q3
ST10F269
112/160
250k
), must lead to a charging time long enought to let the internal or external oscillator and / or the
on-chip PLL to stabilize.
The R0-C0 components on RPD pin are mainly implemented to provide a time delay to exit Power down
mode (see Chapter 19 - Power Reduction Modes). Nervertheless, they drive RPD pin level during resets
and they lead to different reset modes as explained hereafter. On power-on, C0 is totaly discharged, a
low level on RPD pin forces an asynchronous hardware reset. C0 capacitor starts to charge throught R0
and at the end of reset sequence ST10F269 restarts. RPD pin threshold is typically 2.5V.
Depending on the delay of the next applied reset, the MCU can enter a synchronous reset or an
asynchronous reset. If RPD pin is below 2.5V an asynchronous reset starts, if RPD pin is above 2.5V a
synchronous reset starts. (See Section 18.1 - Long Hardware Reset and Section 18.2 - Short Hardware
Reset).
Note that an internal pull-down is connected to RPD pin and can drive a 100
A to 200A current. This
Pull-down is turned on when RSTIN pin is low.
To properly use the bidirectional reset features, the schematic (or equivalent) of Figure 60 must be
implemented. R1-C1 only work for power-on or manual reset in the same way as explained previously. D1
diode brings a faster discharge of C1 capacitor at power-off during repetitive switch-on / switch-off
sequences. D2 diode performs an OR-wired connection, it can be replaced with an open drain buffer. R2
resistor may be added to increase the pull-up current to the open drain in order to get a faster rise time on
RSTIN pin when bidirectional function is activated.
The start-up configurations and some system features are selected on reset sequences as described in
Table 29 and Table 30.
Table 29 describes what is the system configuration latched on PORT0 in the five different reset ways.
Table 30 summarizes the state of bits of PORT0 latched in RP0H, SYSCON, BUSCON0 registers.
Figure 58 : Internal (simplified) Reset Circuitry.
RSTOUT
EINIT Instruction
Trigger
Clr
Clock
Reset State
Machine
Internal
Reset
Signal
Reset Sequence
(512 CPU Clock Cycles)
SRST instruction
watchdog overflow
RSTIN
VDD
BDRSTEN
VDD
RPD
Weak pull-down
(~200
A)
From/to Exit
Powerdown
Circuit
Asynchronous
Reset
Clr
Q
Set
相關(guān)PDF資料
PDF描述
ST10F269Z2Q6 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST10F269Z2Q6 功能描述:16位微控制器 - MCU 256K Flash 12K RAM 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
ST10F269Z2Q6/TR 功能描述:16位微控制器 - MCU 16B MCU 256K Byte and 12K Byte RAM 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
ST10F269Z2QX 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16-BIT MCU WITH MAC UNIT, 256K BYTE FLASH MEMORY AND 12K BYTE RAM
ST10F269Z2T3 功能描述:16位微控制器 - MCU ST10F272 16B MCU 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
ST10F269Z2T6 功能描述:16位微控制器 - MCU ST10F272 16B MCU 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
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