HCS08 datasheet(164/316 Pages) NXP

164 / 316 page

Inter-Integrated Circuit (S08IICV2)

MC9S08SG8 MCU Series Data Sheet, Rev. 8

164

Freescale Semiconductor

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

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

Refer to the direct-page register summary in the memory chapter of this document for the absolute address

assignments for all IIC registers. This section refers to registers and control bits only by their names. A

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

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