MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 182

• 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

Clock Functions
12.8 Clock Divider Chains
Technical Data
182
EXTAL
XTAL
CONSUMPTION
OSCILLATOR
SLOW MODE
REDUCED
PHASE
DIVIDER
CLOCK
LOCK
LOOP
EXTALi
EXTALi
SLWCLK
PLLCLK
EXTALi
Figure
clock divider chains for the various peripherals on the
MC68HC912DT128A.
Freescale Semiconductor, Inc.
BCSP BCSS
Figure 12-6. Clock Generation Chain
For More Information On This Product,
BCSP BCSS
BCSP BCSS
12-6,
1:x
0:0
0:1
Go to: www.freescale.com
Figure
÷
÷
2
2
Clock Functions
SYSCLK
CLKSRC = 1
CLKSRC = 0
12-7,
Figure
÷2
SYNC
12-8, and
SYNC
GENERATOR
GENERATOR
T CLOCK
E AND P
CLOCK
CLKSW = 0
CLKSW = 1
Figure 12-9
MCS = 0
MCS = 1
MC68HC912DT128A — Rev 4.0
TCLKs
PCLK
ECLK
summarize the
XCLK
MCLK
MOTOROLA
SCI0, SCI1,
TO CLOCK
MONITOR
ATD0, ATD1
RTI, COP
TO BDM
MSCAN
TO CAL
TO CPU
BUSES,
PWM,
ECT
TO
TO
TO
SPI,
TO