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參數(shù)資料
| 型號： | 8XC196LX |
| 英文描述： | 8XC196Lx - 8XC196Lx Supplement to 8X196Kx. 8X196Jx. 87C196CA User＇s Manual |
| 中文描述： | 8XC196Lx - 8XC196Lx補編8X196Kx。 8X196Jx。 87C196CA用戶手冊 |
| 文件頁數(shù)： | 76/136頁 |
| 文件大小： | 659K |
| 代理商： | 8XC196LX |
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8XC196LXSUPPLEMENT
8-10
(J_CFG.7) and considers whether the IFR message response has a CRC byte appended. Figure
8-7 depicts the
SAE
preferred, active-level state bit format timing for the NB.
Figure 8-7. Huntzicker Symbol Definition for the Normalization Bit
8.4.1.4
Start and End Message Frame Symbols
Five symbols are used to mark the start and end of a message frame and to allow the J1850 bus
to properly recognize the interruption of a message transmission or reception. Figure 8-8 illus-
trates the formats and their respective timing.
The following is a description of each symbol:
start of frame (SOF) — this symbol signals the start of a message frame. This is an active-
level state symbol only and appears once per frame.
end of data (EOD) — this symbol signals the end of the data transmission. This is a passive-
level state symbol only. It appears twice in IFR messaging: at the end of the initial request
data field and at the end of the IFR data field.
end of frame (EOF) — this symbol signals the end of a message frame and returns the bus
to an idle state. This is a passive-level state symbol only. It appears once per frame.
in-frame separation (IFS) — the timing of this symbol allows for proper synchronization of
multiple nodes during back-to-back transmissions. Nodes contending for the bus must
comply with one of two conditions before transmitting:
— wait for the IFS minimum timing to expire
— wait for a rising edge on the bus after the EOF minimum timing has expired
break (BRK) — this symbol signals an interruption during a bus transmission. At the point
of termination, all nodes are reset. This is an active-level state symbol.
A5220-01
0
1
NB for IFR with CRC
128μS
0
1
or
NB for IFR without CRC
64μS
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| 8XC51FC | 8-bit CMOS (low voltage, low power and high speed) microcontroller families |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 8XC196MC | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:INDUSTRIAL MOTOR CONTROL MICROCONTROLLER |
| 8XC196MD | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:INDUSTRIAL MOTOR CONTROL MICROCONTROLLER |
| 8XC196MH | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:8XC196MH INDUSTRIAL MOTOR CONTROL CHMOS MICROCONTROLLER |
| 8XC196NP | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:COMMERCIAL CHMOS 16-BIT MICROCONTROLLER |
| 8XC196NT | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS MICROCONTROLLER WITH 1 MBYTE LINEAR ADDRESS SPACE |
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