mc33742 Freescale Semiconductor, Inc, mc33742 Datasheet - Page 44

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

RESET CONTROL REGISTER (RCR)
Table 18. Reset Control Register
Table 19. Reset Control Register Control Bits
CAN REGISTER (CAN)
mode, slew rate, and wake-up.
Table 20. CAN Register
Table 21. CANCLR Control Bits
44
33742
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Notes
Notes
53.
54.
Tables 18
Tables 20
Reset Condition
Reset Condition
Reset Value
Reset Value
(Write)
CAN SLEEP
(Write)
See
See
WDSTOP
NOSTOP
$001b
$010b
RCR
RSTTH
CAN
Name
Logic
Table 13
Table
and
0
1
(53)
through
(54)
19
13, page 42, for definitions of reset conditions.
contain various Reset Control Register information.
page 42, for definitions of reset conditions.
23
contain the information on the CAN
R/W
R/W
W
R
–
–
W
R
No effect.
Re-enables CAN driver after TXD permanent dominant or RXD permanent recessive failure occurred. Failure
recovery conditions must occur to re-enable.
–
–
Logic
POR, RESET, STO2NR
0
1
0
1
0
1
0
1
WDSTOP
CANCLR
CANWU
D3
POR
1
D3
0
No Watchdog in Stop Mode.
Watchdog runs in Stop Mode.
Device cannot enter Sleep Mode.
Sleep mode allowed. Device can enter Sleep Mode.
CAN Sleep Mode disable (despite D0 bit in CAN register).
CAN Sleep Mode enabled (in addition to D0 in CAN register).
Reset Threshold 1 selected (typ 4.6 V).
Reset Threshold 2 selected (typ 4.2 V).
POR, NR2N, NR2STB
register
NOSTOP
.
CAN-F
D2
Table 20
POR
SC1
0
D2
0
Description
describes control of the high-speed CAN module,
POR, NR2N, NR2STB
Description
CAN SLEEP
CAN-UF
Analog Integrated Circuit Device Data
POR
SC0
D1
D1
0
0
Freescale Semiconductor
NR2N, STB2N
THERM-CUR
RSTTH
MODE
POR
D0
D0
0
1