參數(shù)資料
型號: MC33889
廠商: 飛思卡爾半導體(中國)有限公司
元件分類: 基準電壓源/電流源
英文描述: System Basis Chip (SBC) with Low Speed Fault Tolerant CAN Interface
中文描述: 帶有低速CAN的精簡版系統(tǒng)基礎芯片
文件頁數(shù): 27/30頁
文件大?。?/td> 464K
代理商: MC33889
PC33889
27
PC33889
Description
jWatchdog operation (window and time out)
window closed
no watchdog clear allowed
7.2.8
TIM2 register
The purpose of TIM2 register is to select an appropriate timing for sensing the wake-up circuitry or cyclically supplying
devices by switching on or off HS1
Reset
0
0
0
Reset condition
Table 7-12.
POR, RESET
POR, RESET
POR, RESET
WDW
WDT1
WDT0
Watchdog timing [ms]
0
0
0
10
no window watchdog
0
0
1
50
0
1
0
100
0
1
1
350
1
0
0
10
window watchdog enabled
(window lenght is half the
watchdog timing)
1
0
1
50
1
1
0
100
1
1
1
350
Table 7-13.
TIM2
D3
D2
D1
D0
$101b
W
1
CSP2
CSP1
CSP0
R
Reset
0
0
0
Reset con-
dition
Table 7-14.
POR, RESET
POR, RESET
POR, RESET
CSP2
CSP1
CSP0
Cyclic sense timing [ms]
0
0
0
5
0
0
1
10
0
1
0
20
Table 7-15.
TIM1
D3
D2
D1
D0
window open
for watchdog clear
WD timing * 50%
WD timing * 50%
Watchdog period
window open
for watchdog clear
Watchdog period
(WD timing selected by TIM 2 bit WDW=1)
(WD timing selected by TIM 2, bit WDW=0)
Time out watchdog
Window watchdog
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關PDF資料
PDF描述
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