mc33742 Freescale Semiconductor, Inc, mc33742 Datasheet - Page 46

• Manufacturer Part Number: mc33742
• Description: Mc33742 System Basis Chip Sbc With Enhanced High-speed Can Transceiver
• Manufacturer: Freescale Semiconductor, Inc

Table 25. HSON Control Bits
Table 26. Input / Output Register Status Bits
WAKE-UP REGISTER (WUR)
Standby modes as port expander, as well as for waking up the SBC from Sleep or Stop modes
Table 27. Wake-Up Register
be configured together, and L1 and L2, and L2 and L3 can be
configured together
46
33742
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Notes
Notes
Reset Condition (Write)
57.
58.
Tables 27
Wake-up inputs can be configured by pair. L0 and L1 can
When HS is turned OFF due to an overtemperature condition, it can be turned ON again by setting the appropriate control bit to 1. Error
bits are latched in the IOR register.
See
Reset Value
VSUPLOW
DEBUG
V2LOW
$100b
Logic
Name
HSOT
WUR
Table
0
1
through
13, page 42, for definitions of reset conditions.
(Table
29
(58)
contain the Wake-Up Register information. Local wake-up inputs L0 : L3 can be used in both Normal and
28).
HS OFF, in Normal and Standby modes.
HS ON, in Normal and Standby modes.
R/W
W
R
–
–
Logic
0
1
0
1
0
1
0
1
LCTR3
L3WU
D3
0
V
V
No HS overtemperature.
HS overtemperature.
V
V
SBC not in Debug mode.
SBC accepts command to go to Debug modes (no Watchdog).
2LTH
2LTH
BF(EW)
BF(EW)
> 4.0 V.
< 4.0 V.
> 5.8 V.
< 5.8 V.
(57)
.
POR, NR2R, N2R, STB2R, STO2R
HS State
LCTR2
L2WU
D2
0
Description
Analog Integrated Circuit Device Data
(Table
LCTR1
L1WU
D1
Freescale Semiconductor
0
27).
LCTR0
L0WU
D0
0