mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 49

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Section Number
42.1
42.2
42.3
42.4
Freescale Semiconductor, Inc.
Introduction...................................................................................................................................................................1021
42.1.1
42.1.2
42.1.3
I2C Signal Descriptions................................................................................................................................................1023
Memory Map and Registers..........................................................................................................................................1023
42.3.1
42.3.2
42.3.3
42.3.4
42.3.5
42.3.6
42.3.7
42.3.8
42.3.9
42.3.10 I2C Address Register 2 (I2Cx_A2)................................................................................................................1036
42.3.11 I2C SCL Low Timeout Register High (I2Cx_SLTH)....................................................................................1037
42.3.12 I2C SCL Low Timeout Register Low (I2Cx_SLTL).....................................................................................1037
Functional Description..................................................................................................................................................1037
42.4.1
Features..........................................................................................................................................................1021
Modes of Operation.......................................................................................................................................1022
Block Diagram...............................................................................................................................................1022
I2C Address Register 1 (I2Cx_A1)................................................................................................................1026
I2C Frequency Divider register (I2Cx_F)......................................................................................................1027
I2C Control Register 1 (I2Cx_C1).................................................................................................................1028
I2C Status Register (I2Cx_S).........................................................................................................................1029
I2C Data I/O register (I2Cx_D).....................................................................................................................1031
I2C Control Register 2 (I2Cx_C2).................................................................................................................1032
I2C Programmable Input Glitch Filter register (I2Cx_FLT).........................................................................1033
I2C Range Address register (I2Cx_RA)........................................................................................................1034
I2C SMBus Control and Status register (I2Cx_SMB)...................................................................................1034
I2C Protocol...................................................................................................................................................1038
42.4.1.1
42.4.1.2
42.4.1.3
42.4.1.4
42.4.1.5
42.4.1.6
42.4.1.7
START Signal............................................................................................................................1038
Slave Address Transmission......................................................................................................1039
Data Transfers............................................................................................................................1039
STOP Signal...............................................................................................................................1040
Repeated START Signal............................................................................................................1040
Arbitration Procedure.................................................................................................................1040
Clock Synchronization...............................................................................................................1041
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Inter-Integrated Circuit (I2C)
Chapter 42
Preliminary
Title
Page
49