LOGIC COMMANDS AND REGISTERS Figure 28. Win" />
參數(shù)資料
型號: MC33742EPR2
廠商: Freescale Semiconductor
文件頁數(shù): 49/71頁
文件大?。?/td> 0K
描述: IC SYSTEM BASE W/CAN 48-QFN
標(biāo)準(zhǔn)包裝: 2,000
應(yīng)用: 自動
接口: SPI
電源電壓: 5.5 V ~ 18 V
封裝/外殼: 48-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-QFN-EP(7x7)
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
Analog Integrated Circuit Device Data
Freescale Semiconductor
53
33742
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Figure 28. Window Watchdog
Figure 29. Timeout Watchdog
Table 32. TIM1 Control Bits
WDW
WDT1
WDT0
Timing (ms typ)
Parameter
Description
0
9.75
Watchdog Period 1
No Window Watchdog
0
1
45
Watchdog Period 2
0
1
0
100
Watchdog Period 3
0
1
350
Watchdog Period 4
1
0
9.75
Watchdog Period 1
Watchdog Window enabled
(Window length is half the
Watchdog Timing).
1
0
1
45
Watchdog Period 2
1
0
100
Watchdog Period 3
1
350
Watchdog Period 4
Table 33. Timing Register Status Bits
Name
Logic
Failure Description
CANL2VDD
0
No CANL short to VDD.
1
CANL short to VDD.
CANL2BAT
0
No CANL short to VSUP.
1
CANL short to VSUP.
CANL2GND
0
No CANL short to GND.
1
CANL short to GND.
TXPD
0
No TXD dominant.
1
TXD dominant.
Watchdog Timing x 50%
Watchdog Period
(Watchdog Timing Selected by TIM1 Bit WDW =1)
Window Closed
No Watchdog Clear Allowed
Window Open for Watchdog Clear
Watchdog Period
(Watchdog Timing Selected by TIM1 Bit WDW = 0)
Window Open for Watchdog Clear
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