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TDA8029C2 датащи(PDF) 21 Page - NXP Semiconductors |
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TDA8029C2 датащи(HTML) 21 Page - NXP Semiconductors |
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21 / 58 page ![]() 2003 Oct 30 21 Philips Semiconductors Product specification Low power single card reader TDA8029 handbook, full pagewidth MDB816 SM0/FE SM1 SM2 REN TB8 RB8 TI RI SMOD1 SMOD0 0 : SCON.7 = SM0 1 : SCON.7 = FE - POF GF1 GF0 PD IDL SCON (98h) PCON (87h) Set FE bit if STOP bit is 0 (framing error) SM0 to UART mode control D0 D1 D2 D3 D4 D5 D6 D7 D8 START bit DATA byte only in MODE 2, 3 STOP bit Fig.6 UART framing error detection. handbook, full pagewidth MDB817 SM0 SM1 SM2 REN TB8 11 1 1 X 10 COMPARATOR RB8 TI RI SCON (98h) D0 D1 D2 D3 D4 D5 D6 D7 D8 received address D0 to D7 programmed address Fig.7 UART multiprocessor communication, automatic address recognition. UART modes 2 or 3 and SM2 = 1: there is an interrupt if REN = 1, RB8 = 1 and received address is equal to programmed address. When own address is received, reset SM2 to receive the data bytes. When all data bytes are received, set SM2 to wait for the next address. |
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