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MB90330A Datasheet(PDF) 62 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 62 Page - Fujitsu Component Limited. |
62 / 120 page MB90330A Series 62 9. I2C Interface The I2C interface is a serial I/O port supporting the Inter IC BUS. It serves as a master/slave device on the I2C bus and has the following features. • Master/slave sending and receiving • Arbitration function • Clock synchronization function • Slave address and general call address detection function • Detecting transmitting direction function • Start condition repeated generation and detection function • Bus error detection function • Register list I2C bus status register (IBSR0 to IBSR2) I2C bus control register (IBCR0 to IBCR2) I2C bus clock control register (ICCR0 to ICCR2) I2C bus address register (IADR0 to IADR2) I2C bus data register (IDAR0 to IDAR2) bit Initial Value Address : 000070H 000076H 00007CH 00000000B bit Initial Value Address : 000071H 000077H 00007DH 00000000B bit Initial Value Address : 000072H 000078H 00007EH XX0XXXXXB bit Initial Value Address : 000073H 000079H 00007FH XXXXXXXXB bit Initial Value Address : 000074H 00007AH 000080H XXXXXXXXB ( R ) ( R ) ( R ) ( R ) ( R ) ( R ) ( R ) 76 5 4 3 2 1 0 RSC ( R ) BB AL LRB TRX AAS GCA FBT ( R/W ) ( R/W ) ( R/W ) ( R/W ) ( R/W ) ( R/W ) ( R/W ) 15 14 13 12 11 10 9 8 BEIE ( R/W ) BER SCC MSS ACK GCAA INTE INT ( ⎯ ) ( 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 ) ( 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 D6 ( R/W ) D7 D5 D4 D3 D2 D1 D0 |
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