LOGIC COMMANDS AND REGISTERS Fault Tolerant" />
參數(shù)資料
型號(hào): MCZ33889DEGR2
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 39/59頁(yè)
文件大?。?/td> 0K
描述: IC SYSTEM BASIS W/CAN 28-SOIC
標(biāo)準(zhǔn)包裝: 1,000
系列: *
應(yīng)用: *
接口: *
電源電壓: *
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
Analog Integrated Circuit Device Data
44
Freescale Semiconductor
33889
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
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 the 33889.
RCR Register
RCR
D3
D2
D1
D0
$001b
W
WDSTOP
NOSTOP
RSTTH
R
TXFAILURE
CANWU
Reset
1
0
Reset condition
POR, RESET
POR, NR2N
POR
Table 13. Control Bits
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. 4.6 V)
1
Reset threshold 2 selected (typ. 4.2 V)
CANWU
1
Wake-rom CAN
TXFAILURE
1
Tx permanent dominant (CAN)
Table 14. CAN Register
CAN
D3
D2
D1
D0
$010b
W
FDIS
CEXT
CCTR1
CCTR0
R
CS3
CS2
CS1
CS0
Reset
0
Reset condition
POR, CAN
Table 15. CAN Transceiver Modes
CEXT
CCTR1
CCTR0
Mode
0
TermVBAT
0
1
0
1
0
RxOnly
0
1
RxTx
Table 16. CAN Transceiver Extended Modes (CAN with CEXT bit =1 is not recommended)
CEXT (34)
CCTR1
CCTR0
Mode
1
0
TermVBAT
1
0
1
TermVDD
1
0
RxOnly
1
RxTx
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