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MB90F482 датащи(PDF) 57 Page - fujitsu semiconductor |
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MB90F482 датащи(HTML) 57 Page - fujitsu semiconductor |
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57 / 120 page ![]() MB90480/485 Series 57 9. I2C Interface (MB90485 series only) The I2C interface is a serial I/O port supporting the Inter IC BUS. Serves as a master/slave device on the I2C bus. The I2C interface has the following functions. • Master/slave transmit/receive • Arbitration function • Clock synchronization • Slave address/general call address detection function • Forwarding direction detection function • Start condition repeated generation and detection • Bus error detection function (1) Register List Bus Status Register (IBSR) Bus control register (IBCR) Clock control register (ICCR) Address register (IADR) Data register (IDAR) Initial value 000088H 00000000B Initial value 000089H 00000000B Initial value 00008AH --0XXXXXB Initial value 00008BH -XXXXXXXB Initial value 00008CH XXXXXXXXB 76 5 4 3 2 1 0 BB RSC AL LRB TRX AAS GCA FBT RR R R R R R R 15 14 13 12 11 10 9 8 BER BEIE SCC MSS ACK GCAA INTE INT R/W R/W R/W R/W R/W R/W R/W R/W 76 5 4 3 2 1 0 EN CS4 CS3 CS2 CS1 CS0 R/W R/W R/W R/W R/W R/W 15 14 13 12 11 10 9 8 A6 A5 A4 A3 A2 A1 A0 R/W R/W R/W R/W R/W R/W R/W 76 5 4 3 2 1 0 D7 D6 D5 D4 D3 D2 D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W |
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