參數(shù)資料
型號(hào)： MB91F267APMC-GE1
廠商： Fujitsu Semiconductor America Inc
文件頁(yè)數(shù)： 30/53頁(yè)
文件大?。?/td> 0K
描述： IC MCU FLASH 128KB FLASH 64LQFP
標(biāo)準(zhǔn)包裝： 1
系列： FR MB91265A
核心處理器： FR60Lite RISC
芯體尺寸： 32-位
速度： 33MHz
連通性： UART/USART
外圍設(shè)備： DMA，WDT
輸入/輸出數(shù)： 49
程序存儲(chǔ)器容量： 128KB（128K x 8）
程序存儲(chǔ)器類(lèi)型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 11x8/10b
振蕩器型： 外部
工作溫度： -40°C ~ 105°C
封裝/外殼： 64-LQFP
包裝： 托盤(pán)
其它名稱(chēng)： 865-1092
39
8183F–AVR–06/12
ATtiny24A/44A/84A
8.2
Reset Sources
The ATtiny24A/44A/84A has four sources of reset:
Power-on Reset. The MCU is reset when the supply voltage is below the Power-on Reset
threshold (V
POT)
External Reset. The MCU is reset when a low level is present on the RESET pin for longer
than the minimum pulse length when RESET function is enabled
Watchdog Reset. The MCU is reset when the Watchdog Timer period expires and the
Watchdog is enabled
Brown-out Reset. The MCU is reset when the supply voltage V
CC is below the Brown-out
Reset threshold (V
BOT) and the Brown-out Detector is enabled
8.2.1
Power-on Reset
A Power-on Reset (POR) pulse is generated by an on-chip detection circuit. The detection level
is defined in “System and Reset Characteristics” on page 176. The POR is activated whenever
V
CC is below the detection level. The POR circuit can be used to trigger the Start-up Reset, as
well as to detect a failure in supply voltage.
A Power-on Reset (POR) circuit ensures that the device is reset from Power-on. Reaching the
Power-on Reset threshold voltage invokes the delay counter, which determines how long the
device is kept in reset after V
CC rise. The reset signal is activated again, without any delay, when
V
CC decreases below the detection level.
Figure 8-2.
MCU Start-up, RESET Tied to V
CC
Figure 8-3.
MCU Start-up, RESET Extended Externally
V
RESET
TIME-OUT
INTERNAL
RESET
t
TOUT
V
POT
V
RST
CC
RESET
TIME-OUT
INTERNAL
RESET
t
TOUT
V
POT
V
RST
VCC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB91F267APMC-GS 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
MB91F267APMC-GSE1 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
MB91F267N 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267NA 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
MB91F267NAPMC-G 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers
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