MC9S08GT16AMFBE Datasheet, PDF (208/300 Pages) Freescale Semiconductor, Inc – MC9S08GT16A/GT8A Features

Inter-Integrated Circuit (S08IICV1)
13.1.3 Block Diagram
Figure 13-2 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 13-2. IIC Functional Block Diagram
13.2 External Signal Description
This section describes each user-accessible pin signal.
13.2.1 SCL — Serial Clock Line
The bidirectional SCL is the serial clock line of the IIC system.
13.2.2 SDA — Serial Data Line
The bidirectional SDA is the serial data line of the IIC system.
13.3 Register Definition
This section consists of the IIC register descriptions in address order.
MC9S08GT16A/GT8A Data Sheet, Rev. 1
208
Freescale Semiconductor