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SCC68681C1A44 Datasheet(PDF) 26 Page - NXP Semiconductors |
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SCC68681C1A44 Datasheet(HTML) 26 Page - NXP Semiconductors |
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26 / 29 page  Philips Semiconductors Product data SCC68681 Dual asynchronous receiver/transmitter (DUART) 2004 Apr 06 26 D1 D2 D3 D4 D5 D6 D7 D8 RxD D6, D7, D8 WILL BE LOST RECEIVER ENABLED RxRDY (SR0) FFULL (SR1) RxRDY/ FFULL (OP4)2 CSN (READ) STATUS DATA D1 STATUS DATA D2 STATUS DATA D3 STATUS DATA D4 D5 WILL BE LOST OVERRUN (SR4) RESET BY COMMAND RTS1 (OP0) OPR(0) = 1 NOTES: 1. Timing shown for MR1(7) = 1. 2. Shown for OPCR(4) and MR1(6) = 0. SD00119 Figure 13. Receive timing TRANSMITTER ENABLED TxD ADD#1 TxRDY (SR2) CSN (WRITE) MR1(4+3) = 11 MR1(2) = 1 1 BIT 9 D0 0 BIT 9 ADD#2 1 BIT 9 MASTER STATION ADD#1 MR1(2) = 0 D0 MR1(2) = 1 ADD#2 RxD ADD#1 1 BIT 9 D0 0 BIT 9 ADD#2 1 BIT 9 PERIPHERAL STATION 0 BIT 9 0 BIT 9 RECEIVER ENABLED RxRDY (SR0) CSN MR1(4:3) = 11 ADD#1 STATUS DATA D0 STATUS DATA ADD#2 SD00120 Figure 14. Wake-up mode |
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