MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 323

• Manufacturer Part Number: MC912DG128ACPV
• Description: IC MCU 128K FLASH 8MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC912DG128ACPV

• Core Processor: CPU12
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x8/10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Inter IC Bus
Technical Data
323
Dummy Read
From IBDR
Switch To
Rx Mode
Y
Byte To IBDR
(Master Rx)
Transmitted
Addr Cycle
Write Next
Last Byte
RXAK=0
End Of
?
?
?
N
Y
N
Figure 17-4. Flow-Chart of Typical IIC Interrupt Routine
Stop Signal
TX
Generate
Y
N
Freescale Semiconductor, Inc.
Tx/Rx
Set TXAK =1
?
For More Information On This Product,
Y
Byte To Be Read
Byte To Be Read
From IBDR
Read Data
And Store
2nd Last
RX
Last
Go to: www.freescale.com
?
?
N
N
Stop Signal
Generate
Inter IC Bus
Y
Y
RTI
Master
Mode
Clear
IBIF
?
Write Data
To IBDR
(Read)
Set TX
Mode
N
N
Y
Dummy Read
From IBDR
Clear IBAL
IAAS=1
Set RX
SRW=1
Mode
Y
?
?
N
Address Transfer
(Write)
MC68HC912DT128A — Rev 4.0
Tx Next
Byte
Y
Y
Y
Dummy Read
From IBDR
ACK From
Arbitration
Switch To
Receiver
IAAS=1
Rx Mode
TX/RX
Lost
?
?
?
?
N
N
TX
Data Transfer
N
From IBDR
Read Data
And Store
MOTOROLA
RX