MC912DG128ACPVER Freescale Semiconductor, MC912DG128ACPVER Datasheet - Page 92
![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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Resource Mapping
6.4 Flash EEPROM mapping through internal Memory Expansion
6.4.1 Program space expansion
Technical Data
92
The Page Index register or PPAGE provides memory management for
the MC68HC912DT128A. PPAGE consists of three bits to indicate
which physical location is active within the windows of the
MC68HC912DT128A. The MC68HC912DT128A has a user’s program
space window, a register space window for Flash module registers, and
a test program space window.
The user’s program page window consists of 16K Flash EEPROM bytes.
One of eight pages is viewed through this window for a total of 128K
accessible Flash EEPROM bytes.
The register space window consists of a 4-byte register block. One of
four pages is viewed through this window for each of the 32K flash
module register blocks of MC68HC912DT128A.
The test mode program page window consists of 32K Flash EEPROM
bytes. One of the four 32K byte arrays is viewed through this window for
a total 128K accessible Flash EEPROM bytes. This window is only
available in special mode for test purposes and replaces the user’s
program page window.
MC68HC912DT128A has a five pin port, port K, for emulation and for
general purpose I/O. Three pins are used to emulate the three page
indices (PPAGE bits) and one pin is used as an emulation chip select.
When these four pins are not used for emulation they serve as general
purpose I/O pins. The fifth port K pin is used as a general purpose I/O
pin.
There are 128K bytes of Flash EEPROM for MC68HC912DT128A. With
a 64K byte address space, the PPAGE register is needed to perform on
chip memory expansion. A program space window of 16K byte pages is
located from $8000 to $BFFF. Three page indices are used to point to
one of eight different 16K byte pages.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
Resource Mapping
MC68HC912DT128A — Rev 4.0
MOTOROLA
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