LOGIC COMMANDS AND REGISTERS RESET CONTROL " />
參數(shù)資料
型號(hào): MC33742EPR2
廠(chǎng)商: Freescale Semiconductor
文件頁(yè)數(shù): 44/71頁(yè)
文件大?。?/td> 0K
描述: IC SYSTEM BASE W/CAN 48-QFN
標(biāo)準(zhǔn)包裝: 2,000
應(yīng)用: 自動(dòng)
接口: SPI
電源電壓: 5.5 V ~ 18 V
封裝/外殼: 48-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 48-QFN-EP(7x7)
包裝: 帶卷 (TR)
安裝類(lèi)型: 表面貼裝
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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