MC33989DW Freescale Semiconductor, MC33989DW Datasheet - Page 36

• Manufacturer Part Number: MC33989DW
• Description: IC SYSTEM BASE W/CAN 28-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33989DW

• Controller Type: System Basis Chip
• Interface: CAN
• Voltage - Supply: 5.5 V ~ 18 V
• Current - Supply: 45mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• For Use With: KIT33989DWEVB - KIT EVAL 33989DW HS SBC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 29. LX2HS1 Control Bits
Table 27. TIM1 Control Bits
Table 28. LPC Register
details of the LPC register setup required for proper Cyclic
Sense or direct wake-up operation.
36
33989
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Sample
Figure 19. HS1 Operation when Cyclic Sense is Selected
LX2HS1
HS1
Please refer to the Cyclic Sense Wake-up discussion for
Reset Condition
CSP2
0
1
Reset Value
0
0
0
0
1
1
1
1
$110B
LPC
Cyclic Sense Timing, Off Time
HS1 OFF
Yes, Lx Inputs Sensed at Sampling Point
CSP1
0
0
1
1
0
0
1
1
Wake-Up Inputs Supplied by HS1
W
R
CSP0
Cyclic Sense on Time
0
1
0
1
0
1
0
1
No
N2R,STB2RSTO2R
HS1 ON
POR, NR2R
LX2HS1
D3
—
0
Cyclic Sense Timing (ms)
Lx Sampling Point
10 µs
100
200
400
10
20
40
75
5
t
N2R,STB2RSTO2R
POR, NR2R
FWU
Table 30. HS1AUTO Control Bits
Low Power Mode Control Register (LPC)
• The state of HS1 in Stop and Sleep mode (HS1
• Enable or disable the forced wake-up function (SBC
• Enable or disable the sense of the wake-up inputs (Lx) at
D2
—
HS1AUTO
0
This register controls:
permanently off or HS1 cyclic)
automatic wake-up after time spend in Sleep or Stop
modes, time is defined by the TIM2 register)
sampling point of the Cyclic Sense period (LX2HS1 bit).
0
1
ON, HS1 Cyclic, Period Defined in TIM2 Register
Auto Timing HS1 in Sleep and Stop Modes
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
Analog Integrated Circuit Device Data
D1
—
—
—
—
Parameter
OFF
Freescale Semiconductor
N2R,STB2RSTO2R
POR, NR2R
HS1AUTO
D0
—
0