MC912DG128ACPVER Freescale Semiconductor, MC912DG128ACPVER Datasheet - Page 48
![IC MCU 16BIT 8K FLASH 112-LQFP](/photos/12/21/122171/mc912dg128acpver_sml.jpg)
MC912DG128ACPVER
Manufacturer Part Number
MC912DG128ACPVER
Description
IC MCU 16BIT 8K FLASH 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MC912DG128ACPVER.pdf
(478 pages)
Specifications of MC912DG128ACPVER
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
Processor Series
HC912D
Core
HC12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
69
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (10 bit, 8 Channel)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MC912DG128ACPVERTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC912DG128ACPVER
Manufacturer:
STM
Quantity:
1 244
Company:
Part Number:
MC912DG128ACPVER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Pinout and Signal Descriptions
3.4.1.2 External Oscillator Connections
3.4.2 E-Clock Output (ECLK)
3.4.3 Reset (RESET)
Technical Data
48
NOTE:
When selecting a crystal, it is recommended to use one with the lowest
possible frequency in order to minimise EMC emissions.
XTAL is the crystal output. The XTAL pin must be left unterminated when
an external CMOS compatible clock input is connected to the EXTAL
pin. The XTAL output is normally intended to drive only a crystal. The
XTAL output can be buffered with a high-impedance buffer to drive the
EXTAL input of another device.
ECLK is the output connection for the internal bus clock. It is used to
demultiplex the address and data in expanded modes and is used as a
timing reference. ECLK frequency is equal to 1/2 the crystal frequency
out of reset. The E-clock output is turned off in single chip user mode to
reduce the effects of RFI. It can be turned on if necessary. In special
single-chip mode, the E-clock is turned ON at reset and can be turned
OFF. In special peripheral mode the E-clock is an input to the MCU. All
clocks, including the E clock, are halted when the MCU is in STOP
mode. It is possible to configure the MCU to interface to slow external
memory. ECLK can be stretched for such accesses.
An active low bidirectional control signal, RESET, acts as an input to
initialize the MCU to a known start-up state. It also acts as an open-drain
Freescale Semiconductor, Inc.
For More Information On This Product,
Pinout and Signal Descriptions
Figure 3-5. External Oscillator Connections
Go to: www.freescale.com
MCU
EXTAL
XTAL
NC
MC68HC912DT128A — Rev 4.0
EXTERNAL OSCILLATOR
CMOS-COMPATIBLE
2 x E
MOTOROLA
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