LOGIC COMMANDS AND REGISTERS RESET CONTROL " />
參數(shù)資料
型號: KIT33742DWEVB
廠商: Freescale Semiconductor
文件頁數(shù): 44/71頁
文件大小: 0K
描述: KIT FOR 33742 SBC WITH EHSCAN
標準包裝: 1
主要目的: 接口,CAN 控制器
已用 IC / 零件: MC33742
相關(guān)產(chǎn)品: MC33742DW-ND - IC SYSTEM BASE W/LIN 28-SOIC
MC33742DWR2-ND - IC SYSTEM BASE W/LIN 28-SOIC
MC33742SDW-ND - IC SYSTEM BASE W/LIN 28-SOIC
MC33742SDWR2-ND - IC SYSTEM BASE W/LIN 28-SOIC
Analog Integrated Circuit Device Data
Freescale Semiconductor
49
33742
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
RESET CONTROL REGISTER (RCR)
and 20 contain various Reset Control Register information.
CAN REGISTER (CAN)
Tables 21 through 24 contain the information on the CAN register. Table 21 describes control of the high-speed CAN module,
mode, slew rate, and wake-up.
Table 19. Reset Control Register
RCR
R/W
D3
D2
D1
D0
$001b
W
WDSTOP
NOSTOP
CAN SLEEP
RSTTH
R
Reset Value
1
0
Reset Condition (Write)(56)
POR, RESET, STO2NR
POR, NR2N, NR2STB
POR
Notes
56.
See Table 13 page 46, for definitions of reset conditions.
Table 20. Reset Control Register Control Bits
Name
Logic
Description
WDSTOP
0
No Watchdog in Stop mode.
1
Watchdog runs in Stop mode.
NOSTOP
0
Device cannot enter Sleep mode.
1
Sleep mode allowed. Device can enter Sleep mode.
CAN SLEEP
0
CAN Sleep mode disable (despite D0 bit in CAN register).
1
CAN Sleep mode enabled (in addition to D0 in CAN register).
RSTTH
0
Reset Threshold 1 selected (typ 4.6 V).
1
Reset Threshold 2 selected (typ 4.2 V).
Table 21. CAN Register
CAN
R/W
D3
D2
D1
D0
$010b
W
CANCLR
SC1
SC0
MODE
R
CANWU
CAN-F
CAN-UF
THERM-CUR
Reset Value
0
1
Reset Condition (Write)(57)
POR
NR2N, STB2N
Notes
57.
See Table 13, page 46, for definitions of reset conditions.
Table 22. CANCLR Control Bits
Logic
Description
0
No effect.
1
Re-enables CAN driver after TXD permanent dominant or RXD permanent recessive failure occurred. Failure
recovery conditions must occur to re-enable.
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