mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 22

• Manufacturer Part Number: mc33905s
• Description: System Basis Chip Gen2 With High Speed Can And Lin Interface
• Manufacturer: Freescale Semiconductor, Inc

Table 5. Dynamic Electrical Characteristics
values noted reflect the approximate parameter means at T
22
STATE DIGRAM TIMINGS
CAN DYNAMIC CHARACTERISTICS
Notes
33904/5
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Delay for SPI Timer A, Timer B or Timer C write command after entering
Normal Mode
(No command should occur within Td_nm.
T
to CS falling edge of “Timer write” command)
Tolerance for: W/D period in all modes, FWU delay, Cyclic sense period and
active time, Cyclic Interrupt period, LP mode over current (unless otherwise
noted)
TXD Dominant State Timeout
Bus dominant clamping detection
Propagation loop delay TXD to RXD, recessive to dominant (Fast slew rate)
Propagation delay TXD to CAN, recessive to dominant
Propagation delay CAN to RXD, recessive to dominant
Propagation loop delay TXD to RXD, dominant to recessive (Fast slew rate)
Propagation delay TXD to CAN, dominant to recessive
Propagation delay CAN to RXD, dominant to recessive
Loop time TXD to RXD, Medium Slew rate (Selected by SPI)
Loop time TXD to RXD, Slow Slew rate (Selected by SPI)
CAN wake up filter time, single dominant pulse detection
(See
CAN wake up filter time, 3 dominant pulses detection
CAN wake up filter time, 3 dominant pulses detection time out
(See
17.
18.
19.
20.
D_NM
Characteristics noted under conditions 5.5 V ≤ V
Rec to Dom
Dom to Rec
Rec to Dom
Dom to Rec
Figure
Figure
(20)
No wake up for single pulse shorter than t
Each pulse should be greater than t
The 3 pulses should occur within t
Guaranteed by design.
delay definition: from CS rising edge of “Go to Normal Mode” command
29)
30)
Characteristic
CAN-WU3-TO
CAN-WU3-F
CAN-WU1
. Guaranteed by design, and device characterization.
min. Guaranteed by design, and device characterization.
(18)
SUP
(17)
min. Wake up for single pulse longer than t
≤ 27 V, - 40°C ≤ T
(19)
A
= 25°C under nominal conditions, unless otherwise noted.
t
t
A
TIMING-ACC
t
CAN-WU3-TO
t
t
CAN-WU3-F
t
LOOP-MSL
LOOP-SSL
Symbol
CAN-WU1
≤ 125°C, GND = 0 V, unless otherwise noted. Typical
t
t
t
D_NM
DOUT
t
t
t
t
t
t
DOM
LRD
TRD
RRD
LDR
TDR
RDR
Min
300
300
100
300
-10
0.5
60
60
-
-
-
-
-
-
-
-
-
Analog Integrated Circuit Device Data
CAN-WU1
Typ
600
600
120
120
200
200
300
300
max.
2.0
70
45
75
50
-
-
-
-
Freescale Semiconductor
1000
1000
Max
210
140
200
150
140
120
110
5.0
10
-
-
-
-
-
-
Unit
μs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
μs
%