參數(shù)資料
型號: MB90F523PFV-G
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP120
封裝: PLASTIC, QFP-120
文件頁數(shù): 61/127頁
文件大?。?/td> 2636K
代理商: MB90F523PFV-G
39
MB90520 Series
3. Watchdog Timer
The watchdog timer is a 2-bit counter operating with an output of the timebase timer and resets the CPU when
the counter is not cleared for a preset period of time.
(1) Register Configuration
(2) Block Diagram
Watchdog timer control register (WDTC)
Address
0000A8H
bit 15
bit 8
PONR STBR WRST ERST
SRST
WTE
WT1
WT0
(TBTC)
R : Read only
W : Write only
X : Indeterminate
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R
RRR
R
W
.... ....... .
Initial value
XXXXXXXX B
HCLK: Oscillation clock
PONR STBR WRST ERST SRST WTE
WT1
WT0
Watchdog timer control register (WDTC)
Start sleep mode
Start hold status
Start stop mode
CLR and start
Watchdog timer
Overflow
To internal reset
generation circuit
Counter clear
control circuit
Count clock
selector
2-bit
counter
Watchdog timer
reset generation
circuit
Clear
Divided-by-2
of HCLK
(Timebase timer counter)
× 21 × 22 ... × 28 × 29 × 210 × 211 × 212 × 213 × 214 × 215 × 216 × 217 × 218
CLR
2
4
CLR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90F543GPF-GE1 功能描述:IC MCU 16BIT 制造商:cypress semiconductor corp 系列:F2MC-16LX MB90540G 包裝:托盤 零件狀態(tài):在售 核心處理器:F2MC-16LX 核心尺寸:16-位 速度:16MHz 連接性:CAN,EBI/EMI,SCI,串行輸入/輸出,UART/USART 外設(shè):POR,WDT I/O 數(shù):81 程序存儲容量:128KB(128K x 8) 程序存儲器類型:閃存 EEPROM 容量:- RAM 容量:6K x 8 電壓 - 電源(Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x8/10b 振蕩器類型:外部 工作溫度:-40°C ~ 105°C(TA) 封裝/外殼:100-BQFP 供應(yīng)商器件封裝:100-PQFP(20x14) 標準包裝:66
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