MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 239

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MC912DG128ACPV

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

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

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PORTP — Port P Data Register
DDRP — Port P Data Direction Register
MC68HC912DT128A — Rev 4.0
MOTOROLA
RESET:
RESET:
PWM
DDP7
Bit 7
PP7
Bit 7
0
DDP6
PP6
6
6
0
PORTP can be read anytime.
PWM functions share port P pins 3 to 0 and take precedence over the
general-purpose port when enabled.
When configured as input, a read will return the pin level. For port bits 7
to 4 it will read zero because there are no available external pins.
When configured as output, a read will return the latched output data.
For port bits 7 to 4 it will read the last value written. A write will drive
associated pins only if configured for output and the corresponding PWM
channel is not enabled.
After reset, all pins are general-purpose, high-impedance inputs.
DDRP determines pin direction of port P when used for general-purpose
I/O.
DDRP[7:4] — This bits served as memory locations since there are no
corresponding port pins.
DDRP[3:0] — Data Direction Port P pin 0-3
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = I/O pin configured as high impedance input
1 = I/O pin configured for output.
DDP5
PP5
5
5
0
Go to: www.freescale.com
Pulse Width Modulator
DDP4
PP4
4
4
0
PWM3
DDP3
PP3
3
3
0
PWM2
DDP2
PP2
2
0
2
PWM1
DDP1
PP1
1
0
1
PWM Register Descriptions
Pulse Width Modulator
PWM0
DDP0
Bit 0
Bit 0
PP0
0
Technical Data
$0056
$0057
239

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