mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 41
mc33905s
Manufacturer Part Number
mc33905s
Description
System Basis Chip Gen2 With High Speed Can And Lin Interface
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC33905S.pdf
(91 pages)
- Current page: 41 of 91
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Analog Integrated Circuit Device Data
Freescale Semiconductor
Vsup_nominal
Vsup_nominal
VDD_UV TH (typ 4.65V)
VDD_UV TH (typ 4.65V)
Case 3: “Vdd UV th 3.2V”, with bit Crank =0 (default value)
Case 1: “Vdd UV th 4.6V”, with bit Crank =0 (default value)
(ex 12V)
(ex 12V)
Vbat
Vbat
VSUP1
RESET
VSUP1
RESET
VDD
VDD
Vdd (5V)
Vdd (5V)
VDD_UV TH2 (typ 3.2V)
Vsup_th1 (4.1V)
INT
(1) reset then (2) Vdd turn OFF
Figure 23. Vdd Behavior During Vsup1 Ramp Down
(1)
(2)
Vsup_th1 (4.1V)
Vsup_nominal
VDD_UV TH (typ 4.65V)
Vsup_nominal
(ex 12V)
VDD_UV TH (typ 4.65V)
Vbat
VSUP1
RESET
VDD
(ex 12V)
Case 2: “Vdd UV 4.6V”, with bit Crank =1
Vbat
VSUP1
RESET
VDD
Case 2: “Vdd UV th 3.2V”, with bit Crank =1
Vdd (5V)
BEHAVIOR AT POWER UP AND POWER DOWN
Vdd (5V)
VDD_UV TH2 (typ 3.2V)
INT
FUNCTIONAL DEVICE OPERATION
minVsup (3V)
minVsup (3V)
33904/5
41
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