MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 45

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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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3.3 Power Supply Pins
3.3.1 Internal Power (V
3.3.2 External Power (V
3.3.3 V
3.3.4 Analog to Digital Reference Voltages (V
MC68HC912DT128A — Rev 4.0
MOTOROLA
DDA
, V
SSA
MC68HC912DT128A power and ground pins are described below and
summarized in
All power supply pins must be connected to appropriate supplies.
On no account must any pins be left floating.
Power is supplied to the MCU through V
transitions place high, short-duration current demands on the power
supply, use bypass capacitors with high-frequency characteristics and
place them as close to the MCU as possible.
External power and ground for I/O drivers. Because fast signal
transitions place high, short-duration current demands on the power
supply, use bypass capacitors with high-frequency characteristics and
place them as close to the MCU as possible. Bypass requirements
depend on how heavily the MCU pins are loaded.
Provides operating voltage and ground for the analog-to-digital
converter. This allows the supply voltage to the A/D to be bypassed
independently.
V
V
If the ATD modules are not used, leaving V
result in an increase of power consumption.
DD
RH0
RH1
DDX
Freescale Semiconductor, Inc.
) and Ground (V
, V
, V
For More Information On This Product,
) and Ground (V
RL0
RL1
: reference voltage high and low for ATD converter 0.
: reference voltage high and low for ATD converter 1.
Pinout and Signal Descriptions
Go to: www.freescale.com
Table
SS
3-1.
SSX
)
RH
)
, V
RL
)
DD
and V
RH
connected to V
Pinout and Signal Descriptions
SS
. Because fast signal
Power Supply Pins
Technical Data
DD
will not
45

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