參數(shù)資料
型號(hào): MB90F462
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專(zhuān)有
文件頁(yè)數(shù): 37/85頁(yè)
文件大?。?/td> 827K
代理商: MB90F462
MB90460 Series
37
4.
Watchdog Timer
The watchdog timer is a 2-bit counter that uses the timebase timer’s supply clock as the count clock. After
activation, if the watchdog timer is not cleared within a given period, the CPU will be reset.
Features of Watchdog Timer :
Reset CPU at four different time intervals
Status bits to indicate the reset causes
Block Diagram
PONR STBR WRST ERST SRST WTE
WT1
WT0
×
2
1
×
2
2
×
2
8
×
2
9
×
2
10
×
2
11
×
2
12
×
2
13
×
2
14
×
2
15
×
2
16
×
2
17
×
2
18
2
4
Counter
clear control
circuit
Count
clock
selector
2-bit
counter
Watchdog
reset generator
One-half of HCLK
Watchdog timer control register (WDTC)
Watchdog timer
Activation
with CLR
To the
internal
reset
generator
CLR
CLR
Clear
(Timebase timer counter)
Over-
flow
Start of sleep mode
Start of hold status mode
Start of stop mode
HCLK : Oscillation clock
相關(guān)PDF資料
PDF描述
MB90F462P-SH 16-bit Proprietary Microcontroller
MB90F462PF 16-bit Proprietary Microcontroller
MB90V460 16-bit Proprietary Microcontroller
MB90F462PFM Octal Transparent D-type Latches With 3-State Outputs 20-CFP -55 to 125
MB90470 16-Bit Proprietary Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB90F462APFM-GE1 制造商:FUJITSU 功能描述:IC 16BIT MCU SMD LQFP64
MB90F462AP-G-SHE1 制造商:FUJITSU 功能描述:16-bit Proprietary Microcontroller
MB90F462APMC-G-SPE1 制造商:FUJITSU 功能描述:16-Bit MCU 制造商:FUJITSU 功能描述:16-bit Microcontroller
MB90F462APMCR-GE1 制造商:FUJITSU 功能描述:
MB90F462APMCR-G-JNE1 制造商:FUJITSU 功能描述: