Freescale Semiconductor Demonstration Board for Freescale MC9S08SE8 DEMO9S08EL32AUTO DEMO9S08EL32AUTO Datenbogen

Produktcode

DEMO9S08EL32AUTO

Inter-Integrated Circuit (S08IICV2)

MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3

168

Freescale Semiconductor

11.1.4

Block Diagram

Figure 11-2

Figure 11-2. IIC Functional Block Diagram

11.2

External Signal Description

This section describes each user-accessible pin signal.

11.2.1

SCL — Serial Clock Line

The bidirectional SCL is the serial clock line of the IIC system.

11.2.2

SDA — Serial Data Line

The bidirectional SDA is the serial data line of the IIC system.

11.3

Register Definition

This section consists of the IIC register descriptions in address order.

Input
Sync

In/Out

Data

Shift

Address

Compare

Interrupt

Clock

Control

Start

Stop

Arbitration

Control

CTRL_REG

FREQ_REG

ADDR_REG

STATUS_REG

DATA_REG

ADDR_DECODE

DATA_MUX

Data Bus

SCL

SDA

Address