mc9s08qg8 Freescale Semiconductor, Inc, mc9s08qg8 Datasheet - Page 160
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mc9s08qg8
Manufacturer Part Number
mc9s08qg8
Description
Hcs08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S08QG8.pdf
(300 pages)
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Inter-Integrated Circuit (S08IICV1)
11.1.4
Figure 11-4
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
is a block diagram of the IIC.
CTRL_REG
ADDR_DECODE
CONTROL
ADDRESS
CLOCK
INPUT
SYNC
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 1.01
Figure 11-4. IIC Functional Block Diagram
FREQ_REG
SCL
ARBITRATION
CONTROL
ADDR_REG
START
STOP
SDA
STATUS_REG
INTERRUPT
REGISTER
COMPARE
ADDRESS
IN/OUT
SHIFT
DATA
DATA_MUX
DATA_REG
DATA BUS
Freescale Semiconductor