參數(shù)資料
型號(hào): MC33889
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: System Basis Chip (SBC) with Low Speed Fault Tolerant CAN Interface
中文描述: 帶有低速CAN的精簡(jiǎn)版系統(tǒng)基礎(chǔ)芯片
文件頁(yè)數(shù): 23/30頁(yè)
文件大?。?/td> 464K
代理商: MC33889
PC33889
23
PC33889
7.2.2
RCR register
Control bits
7.2.3
CAN register
Some description.
Fault tolerant CAN transceiver standard modes
The CAN transceiver standard mode can be programmed by setting CEXT to 0. The transceiver cell will then be behave as
known from MC33388.
Fault tolerant CAN transceiver extended modes
RCR
D3
D2
D1
D0
$001b
W
WDSTOP
NOSTOP
RSTTH
R
TXFAILURE
CANWU
Reset
1
0
0
Reset condition
Table 7-3.
POR, RESET
POR, NR2N
POR
Status bit
Bit value
Description
WDSTOP
0
No watchdog in stop mode
1
Watchdog runs in stop mode
NOSTOP
0
Stop mode is default low power mode
1
Sleep mode is default low power mode
RSTTH
0
Reset threshold 1 selected (typ 4.6V)
1
Reset threshold 2 selected (typ 4.2V)
CANWU
1
Wake from CAN
TXFAILURE
1
Tx permanent dominant (CAN)
CAN
D3
D2
D1
D0
$010b
W
FDIS
CEXT
CCTR1
CCTR0
R
CS3
CS2
CS1
CS0
Reset
0
0
0
0
Reset condition
Table 7-4.
POR, CAN
POR, CAN
POR, CAN
POR, CAN
CEXT
CCTR1
CCTR0
Mode
0
0
0
TermVBAT
0
0
1
0
1
0
RxOnly
0
1
1
RxTx
Table 7-5.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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