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P87LPC764FN 数据表(PDF) 37 Page - NXP Semiconductors |
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P87LPC764FN 数据表(HTML) 37 Page - NXP Semiconductors |
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37 / 60 page ![]() Philips Semiconductors Product data P87LPC764 Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP 2003 Sep 03 36 80C51 INTERNAL BUS SU01178 80C51 INTERNAL BUS WRITE TO SBUF SBUF ZERO DETECTOR RxD P1.1 ALT OUTPUT FUNCTION TX CONTROL S TX CLOCK START Q CL D SERIAL PORT INTERRUPT SHIFT CLOCK SHIFT SEND S6 RXD P1.1 ALT INPUT FUNCTION LOAD SBUF TI INPUT SHIFT REGISTER START RI RECEIVE SHIFT TX CLOCK RX CONTROL REN RI SBUF READ SBUF TRANSMIT TxD P1.0 ALT OUTPUT FUNCTION SEND RXD (DATA OUT) D0 D1 D5 D2 D6 D3 D4 D7 TXD (SHIFT CLOCK) SHIFT S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 S1 ... S6 WRITE TO SBUF TI RECEIVE RECEIVE D0 D1 D5 D2 D6 D3 D4 D7 TxD (SHIFT CLOCK) SHIFT WRITE TO SCON (CLEAR RI) RI RxD (DATA IN) 1 1 111 11 0 Figure 29. Serial Port Mode 0 |
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