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參數(shù)資料
| 型號(hào)： | SCN68652AC2A44 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Multi-protocol communications controller MPCC |
| 中文描述： | 1 CHANNEL(S), 2M bps, MULTI PROTOCOL CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 19/28頁 |
| 文件大?。?/td> | 651K |
| 代理商： | SCN68652AC2A44 |
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Philips Semiconductors
Product specification
SCN2652/SCN68652
Multi-protocol communications controller (MPCC)
1995 May 01
19
TIMING DIAGRAMS
(Continued)
TRANSMIT – END OF BOP MESSAGE
TxC
MARK
TxSO
DBEN
LOAD LAST CHAR
SET TEOM
RESET TEOM
TxE
2
TxA
3
NOTES:
1.
TxBE goes low relative to the falling edge of DBEN corresponding to loading TDSR
H/L
. It goes high one TxC before character transmission begins and also when TxA has been
dropped.
2.
TxE can be dropped before resetting TEOM if TxBE (corresponding to the closing FLAG) is high. Alternatively TxE can remain high and a new message initiated.
3.
TxA goes low after TxE has been dropped and 1 1/2 TxC’s after the last bit of the closing FLAG has been transmitted.
FLAG
CRC
LAST CHAR
NEXT TO LAST CHAR
TxBE
1
SD00068
Figure 13. Timing Diagrams (cont.)
TRANSMIT TIMING – END OF BCP MESSAGE
TxC
MARK
TxSO
DBEN
LOAD LAST CHAR
SET TEOM
RESET TEOM
TxE
TxA
NOTE:
1.
When SCN2652 generated CRC is not required. TEOM should only be set if SYNCs are to follow the message block. In that case, TxE should be dropped in response to TxBE
(which corresponds to the start of transmission of the last character). When CRC is required, TxE must be dropped before CRC transmission is complete. Otherwise, the contents
of TxDB will be shifted out on TxSO. This facilitates transmission of contiguous messages.
CRC
1
LAST CHAR
NEXT TO LAST CHAR
TxBE
SD00069
Figure 14. Timing Diagrams (cont.)
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相關(guān)代理商/技術(shù)參數(shù) |
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| SCN68652AC2F40 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multi-protocol communications controller MPCC |
| SCN68652AC2N40 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multi-protocol communications controller MPCC |
| SCN68661 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced programmable communications interface EPCI |
| SCN68681 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual asynchronous receiver/transmitter DUART |
| SCN68681C1A44 | 制造商:PHILIPS 功能描述:SCN68681C1A44 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:UART, 44 Pin, Plastic, PLCC |
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