mc9s08sg4 Freescale Semiconductor, Inc, mc9s08sg4 Datasheet - Page 160

• Manufacturer Part Number: mc9s08sg4
• Description: 8-bit Microcontroller Family
• Manufacturer: Freescale Semiconductor, Inc

Chapter 11 Inter-Integrated Circuit (S08IICV2)
11.1.4
Figure 11-2 is a block diagram of the IIC.
11.2
This section describes each user-accessible pin signal.
11.2.1
The bidirectional SCL is the serial clock line of the IIC system.
11.2.2
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.
160
External Signal Description
Register Definition
Block Diagram
SCL — Serial Clock Line
SDA — Serial Data Line
CTRL_REG
ADDR_DECODE
Control
Address
Clock
Input
Sync
Figure 11-2. IIC Functional Block Diagram
MC9S08SG8 MCU Series Data Sheet, Rev. 3
FREQ_REG
SCL
Arbitration
ADDR_REG
Control
Start
Stop
SDA
STATUS_REG
Interrupt
Compare
Register
Address
In/Out
Data
Shift
DATA_MUX
DATA_REG
Data Bus
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