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33889 Datasheet, PDF (17/60 Pages) Freescale Semiconductor, Inc – System Basis Chip with Low Speed Fault Tolerant CAN Interface
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics (continued)
VSUP From 5.5 V to 18 V, V2INT from 4.75 to 5.25 V and TJ from -40°C to 150°C unless otherwise noted. Typical values
noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Conditions
Symbol
Min
Typ
Max
Unit
Internal low power oscillator frequency
Sleep and Stop modes (22)
OSC-F2
-
100
-
kHz
Watchdog period 1
Normal and standby modes
WD1
8.58
9.75
10.92
ms
Watchdog period 2
Normal and standby modes
WD2
39.6
45
50.4
ms
Watchdog period 3
Normal and standby modes
WD3
88
100
112
ms
Watchdog period 4
Normal and standby modes
WD4
308
350
392
ms
Watchdog period accuracy
Normal and standby modes
F1ACC
-12
-
12
%
Normal request mode timeout
Normal request mode
NRTOUT
308
350
392
ms
Watchdog period 1 - stop
Stop mode
WD1STOP
6.82
9.75
12.7
ms
Watchdog period 2- stop
Stop mode
WD2STOP
31.5
45
58.5
ms
Watchdog period 3 - stop
Stop mode
WD3STOP
70
100
130
ms
Watchdog period 4 - stop
Stop mode
WD4STOP
245
350
455
ms
Stop mode watchdog period accuracy
Stop mode
F2ACC
-30
-
30
%
Cyclic sense/FWU timing 1
Sleep and stop modes
CSFWU1
3.22
4.6
5.98
ms
Cyclic sense/FWU timing 2
Sleep and stop modes
CSFWU2
6.47
9.25
12
ms
Notes
22. Guaranteed by design
Analog Integrated Circuit Device Data
Freescale Semiconductor
33889
17