MC9S08SH8CSC View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC9S08SH8CSC

HCS08 Microcontrollers

Freescale Semiconductor 

Chapter 11 Inter-Integrated Circuit (S08IICV2)

11.1.4 Block Diagram

Figure 11-2 is a block diagram of the IIC.

Address

ADDR_DECODE

Interrupt

Data Bus

DATA_MUX

CTRL_REG FREQ_REG ADDR_REG

STATUS_REG

DATA_REG

Input

Sync

Clock

Control

Start

Stop

Arbitration

Control

In/Out

Data

Shift

Register

Address

Compare

SCL

SDA

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 Definitio

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

MC9S08SH8 MCU Series Data Sheet, Rev. 3

166

Freescale Semiconductor

Share Link: