Section Number
Title
Page
10.4.3 ICG Status Register 1 (ICGS1) .......................................................................................171
10.4.4 ICG Status Register 2 (ICGS2) .......................................................................................172
10.4.5 ICG Filter Registers (ICGFLTU, ICGFLTL) ..................................................................172
10.4.6 ICG Trim Register (ICGTRM) .......................................................................................173
10.5 Functional Description ..................................................................................................................173
10.5.1 Off Mode (Off) ................................................................................................................174
10.5.2 Self-Clocked Mode (SCM) .............................................................................................174
10.5.3 FLL Engaged, Internal Clock (FEI) Mode .....................................................................175
10.5.4 FLL Engaged Internal Unlocked ....................................................................................176
10.5.5 FLL Engaged Internal Locked ........................................................................................176
10.5.6 FLL Bypassed, External Clock (FBE) Mode ..................................................................176
10.5.7 FLL Engaged, External Clock (FEE) Mode ...................................................................176
10.5.8 FLL Lock and Loss-of-Lock Detection ..........................................................................177
10.5.9 FLL Loss-of-Clock Detection .........................................................................................178
10.5.10Clock Mode Requirements .............................................................................................179
10.5.11Fixed Frequency Clock ...................................................................................................180
10.5.12High Gain Oscillator .......................................................................................................180
10.6 Initialization/Application Information ..........................................................................................180
10.6.1 Introduction .....................................................................................................................180
10.6.2 Example #1: External Crystal = 32 kHz, Bus Frequency = 4.19 MHz ...........................182
10.6.3 Example #2: External Crystal = 4 MHz, Bus Frequency = 20 MHz ..............................184
10.6.4 Example #3: No External Crystal Connection, 5.4 MHz Bus Frequency ......................186
10.6.5 Example #4: Internal Clock Generator Trim ..................................................................188
Chapter 11
Inter-Integrated Circuit (S08IICV2)
11.1 Introduction ...................................................................................................................................189
11.1.1 Features ...........................................................................................................................191
11.1.2 Modes of Operation ........................................................................................................191
11.1.3 Block Diagram ................................................................................................................192
11.2 External Signal Description ..........................................................................................................192
11.2.1 SCL — Serial Clock Line ...............................................................................................192
11.2.2 SDA — Serial Data Line ................................................................................................192
11.3 Register Definition ........................................................................................................................192
11.3.1 IIC Address Register (IICA) ...........................................................................................193
11.3.2 IIC Frequency Divider Register (IICF) ...........................................................................193
11.3.3 IIC Control Register (IICC1) ..........................................................................................196
11.3.4 IIC Status Register (IICS) ...............................................................................................197
11.3.5 IIC Data I/O Register (IICD) ..........................................................................................198
11.3.6 IIC Control Register 2 (IICC2) .......................................................................................198
11.4 Functional Description ..................................................................................................................199
11.4.1 IIC Protocol .....................................................................................................................199
MC9S08AC60 Series Data Sheet, Rev. 2
14
Freescale Semiconductor
FREESCALE [ Freescale ]
