參數資料
型號： MB91F267NAPMC-GSE1
廠商： Fujitsu Semiconductor America Inc
文件頁數： 34/53頁
文件大小： 0K
描述： IC MCU FLASH 128KB FLASH 64LQFP
標準包裝： 1
系列： FR MB91265A
核心處理器： FR60Lite RISC
芯體尺寸： 32-位
速度： 33MHz
連通性： CAN，UART/USART
外圍設備： DMA，WDT
輸入/輸出數： 49
程序存儲器容量： 128KB（128K x 8）
程序存儲器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數據轉換器： 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
配用： 865-1102-ND - BOARD EVAL RS232 100QFP
其它名稱： 865-1091
42
8183F–AVR–06/12
ATtiny24A/44A/84A
The Wathdog Timer can also be configured to generate an interrupt instead of a reset. This can
be very helpful when using the Watchdog to wake-up from Power-down.
To prevent unintentional disabling of the Watchdog or unintentional change of time-out period,
two different safety levels are selected by the fuse WDTON as shown in Table 8-1 See “Timed
Figure 8-7.
Watchdog Timer
8.4.1
Timed Sequences for Changing the Configuration of the Watchdog Timer
The sequence for changing configuration differs slightly between the two safety levels. Separate
procedures are described for each level.
Safety Level 1
In this mode, the Watchdog Timer is initially disabled, but can be enabled by writing the
WDE bit to one without any restriction. A timed sequence is needed when disabling an
enabled Watchdog Timer. To disable an enabled Watchdog Timer, the following procedure
must be followed:
a.
In the same operation, write a logic one to WDCE and WDE. A logic one must be
written to WDE regardless of the previous value of the WDE bit
b.
Within the next four clock cycles, in the same operation, write the WDE and WDP
bits as desired, but with the WDCE bit cleared
Table 8-1.
WDT Configuration as a Function of the Fuse Settings of WDTON
WDTON
Safety
Level
WDT Initial
State
How to Disable the
WDT
How to Change Time-
out
Unprogrammed
1
Disabled
Timed sequence
No limitations
Programmed
2
Enabled
Always enabled
Timed sequence
OSC/2K
OSC/4K
OSC/8K
OSC/16K
OSC/32K
OSC/64K
OSC/128K
OSC/256K
OSC/512K
OSC/1024K
MCU RESET
WATCHDOG
PRESCALER
128 kHz
OSCILLATOR
WATCHDOG
RESET
WDP0
WDP1
WDP2
WDP3
WDE
MUX
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相關代理商/技術參數
參數描述
MB91F267NPMC-G 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267NPMC-GE1 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267NPMC-GS 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267NPMC-GSE1 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller
MB91F267NPMCR-GE1 制造商:FUJITSU 功能描述: 制造商:FUJITSU 功能描述:MCU 32BIT FR 128K FLASH 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP, Controller Family/Series:FR60, Core Size:32b 制造商:FUJITSU 功能描述:IC, 32BIT MCU, FR60, 33MHZ, LQFP-64, Controller Family/Series:FR60, Core Size:32bit, No. of I/O's:48, Supply Voltage Min:4V, Supply Voltage Max:5.5V, Digital IC Case Style:LQFP, No. of Pins:64, Program Memory Size:128KB, MSL:- , RoHS Compliant: Yes
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