MC9RS08KA8RM Datasheet, PDF (13/190 Pages) Freescale Semiconductor, Inc – MC9RS08KA8 Features

11.1.3 Block Diagram ................................................................................................................122
11.2 External Signal Description ..........................................................................................................123
11.3 Register Definition ........................................................................................................................123
11.3.1 ICS Control Register 1 (ICSC1) .....................................................................................123
11.3.2 ICS Control Register 2 (ICSC2) .....................................................................................125
11.3.3 ICS Trim Register (ICSTRM) .........................................................................................126
11.3.4 ICS Status and Control (ICSSC) .....................................................................................126
11.4 Functional Description ..................................................................................................................127
11.4.1 Operational Modes ..........................................................................................................127
11.4.2 Mode Switching ..............................................................................................................129
11.4.3 Bus Frequency Divider ...................................................................................................129
11.4.4 Low Power Bit Usage .....................................................................................................129
11.4.5 Internal Reference Clock ................................................................................................130
11.4.6 Optional External Reference Clock ................................................................................130
11.4.7 Fixed Frequency Clock ...................................................................................................130
Chapter 12
Inter-Integrated Circuit (RS08IICV2)
12.1 Introduction ...................................................................................................................................131
12.1.1 Module Configuration .....................................................................................................131
12.1.2 Features ...........................................................................................................................133
12.1.3 Modes of Operation ........................................................................................................133
12.1.4 Block Diagram ................................................................................................................133
12.2 External Signal Description ..........................................................................................................134
12.2.1 SCL — Serial Clock Line ...............................................................................................134
12.2.2 SDA — Serial Data Line ................................................................................................134
12.3 Register Definition ........................................................................................................................135
12.3.1 IIC Address Register (IICA) ...........................................................................................135
12.3.2 IIC Frequency Divider Register (IICF) ..........................................................................135
12.3.3 IIC Control Register (IICC1) ..........................................................................................138
12.3.4 IIC Status Register (IICS) ...............................................................................................139
12.3.5 IIC Data I/O Register (IICD) ..........................................................................................140
12.3.6 IIC Control Register 2 (IICC2) .......................................................................................141
12.4 Functional Description ..................................................................................................................142
12.4.1 IIC Protocol .....................................................................................................................142
12.4.2 10-bit Address .................................................................................................................146
12.4.3 General Call Address ......................................................................................................147
12.5 Resets ............................................................................................................................................147
12.6 Interrupts .......................................................................................................................................147
12.6.1 Byte Transfer Interrupt ....................................................................................................147
12.6.2 Address Detect Interrupt .................................................................................................147
12.6.3 Arbitration Lost Interrupt ................................................................................................147
12.7 Initialization/Application Information ..........................................................................................149
MC9RS08KA8 Series Reference Manual, Rev. 3
Freescale Semiconductor
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