參數(shù)資料
型號(hào): ST10F273M-4Q3
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144
封裝: 28 X 28 MM, 3.40 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-144
文件頁(yè)數(shù): 12/182頁(yè)
文件大小: 3222K
代理商: ST10F273M-4Q3
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ST10F273M
Power reduction modes
Before entering Power-down mode (by executing the instruction PWRDN), bit VREGOFF in
the XMISC register must be set.
Note:
Leaving the main voltage regulator active during Power-down may lead to unexpected
behavior (example: CPU wake-up) and power consumption higher than what is specified.
21.2.1
Protected power-down mode
This mode is selected when PWDCFG (bit 5) of SYSCON register is cleared. The Protected
Power-down mode is only activated if the NMI pin is pulled low when executing PWRDN
instruction (this means that the PWRD instruction belongs to the NMI software routine). This
mode is only deactivated with an external hardware reset on RSTIN pin.
21.2.2
Interruptible power-down mode
This mode is selected when PWDCFG (bit 5) of SYSCON register is set.
The Interruptible Power-down mode is only activated if all the enabled Fast External
Interrupt pins are in their inactive level.
This mode is deactivated with an external reset applied to RSTIN pin or with an interrupt
request applied to one of the Fast External Interrupt pins, or with an interrupt generated by
the Real Time Clock, or with an interrupt generated by the activity on CAN’s and I2C module
interfaces. To allow the internal PLL and clock to stabilize, the RSTIN pin must be held low
according the recommendations described in Section 20: System reset on page 82.
An external RC circuit must be connected to RPD pin, as shown in the Figure 37.
Figure 37.
External RC circuitry on RPD pin
To exit Power-down mode with an external interrupt, an EXxIN (x = 7...0) pin has to be
asserted for at least 40ns.
21.3
Standby mode
In Standby mode, it is possible to turn off the main VDD provided that VSTBY is available
through the dedicated pin of the ST10F273M.
To enter Standby mode it is mandatory to held the device under reset: once the device is
under reset, the RAM is disabled (see XRAM2EN bit of XPERCON register), and its digital
interface is frozen in order to avoid any kind of data corruption.
A dedicated embedded low-power voltage regulator is implemented to generate the internal
low voltage supply (about 1.65V in Standby mode) to bias all those circuits that shall remain
active: the portion of XRAM (16 Kbytes for ST10F273M), the RTC counters and 32 kHz on-
chip oscillator amplifier.
RPD
VDD
C0
R0
220k
minimum
1F Typical
ST10F273M
+
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ST10F273M-4QR3 功能描述:16位微控制器 - MCU 16-bit MCU 512 Kbyte Flash memory 36 Kbyt 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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ST10F273Z4Q3 功能描述:16位微控制器 - MCU 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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