MC68HC12 Datasheet, PDF (303/478 Pages) Motorola, Inc – The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit

ADDR & CONTROL
ADDR_DECODE
Inter IC Bus
IIC Features
INTERRUPT
DATA
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 17-1. IIC Block Diagram
MC68HC912DT128A — Rev 4.0
MOTOROLA
Inter IC Bus
Technical Data
303