MC33742DW Freescale, MC33742DW Datasheet - Page 54

• Manufacturer Part Number: MC33742DW
• Manufacturer: Freescale

Specifications of MC33742DW

• Data Rate: 1000Kbps
• Number Of Transceivers: 1
• Standard Supported: CAN 2.0
• Operating Supply Voltage (max): 27V
• Operating Supply Voltage (typ): 5/9/12/15/18/24V
• Operating Supply Voltage (min): 4.5V
• Package Type: SOIC W
• Supply Current: 45mA
• Operating Temperature (max): 125C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: Not Compliant

Table 34. TIM2 Control Bits
LOW POWER CONTROL REGISTER (LPC)
• The state of HS in Stop and Sleep modes (HS permanently OFF or HS cyclic).
• Enable or disable of the forced wake-up function (SBC automatic wake-up after time spent in Sleep or Stop modes; time is
• Enable or disable the sense of the wake-up inputs (Lx) at the sampling point of the Cyclic Sense period (LX2HS bit). (Refer to
Table 35. Low Power Control Register
54
Sample
33742
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Notes
Figure 30. HS Operation When Cyclic Sense Is Selected
65.
Tables 35
defined by the TIM2 sub register).
Reset Control Register (RCR) on page 49
up operation.
The LPC register also reports the CANH and RXD diagnostic.
HS
Reset Condition
CSP2
Reset Value
0
0
0
0
1
1
1
1
(Write)
See Table 13, page 47, for definitions of reset conditions.
Cyclic Sense Timing, OFF Time
$110b
LPC
(65)
through
HS OFF
CSP1
0
0
1
1
0
0
1
1
39
contain the Low Power Control Register information. The LPC register controls:
R/W
W
R
–
–
Cyclic Sense Timing,
CSP0
0
1
0
1
0
1
0
1
ON Time
HS ON
POR, NR2R, N2R,
STB2R, STO2R
CANH2VDD
LX2HS
Cyclic Sense Timing (ms)
for details of the LPC register setup required for proper cyclic sense or direct wake-
D3
Lx Sampling Point
0
10μs
18.5
95.5
9.25
191
388
4.6
37
74
time
POR, NR2R, N2R,
STB2R, STO2R
CANH2BAT
FWU
D2
0
Parameter
Cyclic Sense/FWU Timing 1
Cyclic Sense/FWU Timing 2
Cyclic Sense/FWU Timing 3
Cyclic Sense/FWU Timing 4
Cyclic Sense/FWU Timing 5
Cyclic Sense/FWU Timing 6
Cyclic Sense/FWU Timing 7
Cyclic Sense/FWU Timing 8
POR, NR2R, N2R,
STB2R, STO2R
CANH2GND
Analog Integrated Circuit Device Data
CAN-INT
D1
0
Freescale Semiconductor
POR, NR2R, N2R,
STB2R, STO2R
HSAUTO
RXPR
D0
0