MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 230

• 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

PWPOL — PWM Clock Select and Polarity
Pulse Width Modulator
Technical Data
230
RESET:
PCLK3
Bit 7
0
PCLK2
6
0
Read and write anytime.
PCLK3 — PWM Channel 3 Clock Select
PCLK2 — PWM Channel 2 Clock Select
PCLK1 — PWM Channel 1 Clock Select
PCLK0 — PWM Channel 0 Clock Select
The following four bits apply in left-aligned mode only:
If a clock select is changed while a PWM signal is being generated, a
truncated or stretched pulse may occur during the transition.
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = Clock B is the clock source for channel 3.
1 = Clock S1 is the clock source for channel 3.
0 = Clock B is the clock source for channel 2.
1 = Clock S1 is the clock source for channel 2.
0 = Clock A is the clock source for channel 1.
1 = Clock S0 is the clock source for channel 1.
0 = Clock A is the clock source for channel 0.
1 = Clock S0 is the clock source for channel 0.
PCLK1
5
0
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Table 14-1. Clock A and Clock B Prescaler
(PCKB2)
PCKA2
Pulse Width Modulator
PCLK0
0
0
0
0
1
1
1
1
4
0
(PCKB1)
PCKA1
PPOL3
0
0
1
1
0
0
1
1
3
0
(PCKB0)
PCKA0
PPOL2
2
0
0
1
0
1
0
1
0
1
MC68HC912DT128A — Rev 4.0
PPOL1
Clock A (B)
1
0
Value of
P ÷ 128
P ÷ 16
P ÷ 32
P ÷ 64
P ÷ 2
P ÷ 4
P ÷ 8
P
PPOL0
Bit 0
0
MOTOROLA
$0041