MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 89

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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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INITRG — Initialization of Internal Register Position Register
6.3.1 Register Block Mapping
MC68HC912DT128A — Rev 4.0
MOTOROLA
RESET:
REG15
Bit 7
0
REG14
6
0
After reset the 1K byte register block resides at location $0000 but can
be reassigned to any 2K byte boundary within the standard 64K byte
address space. Mapping of internal registers is controlled by five bits in
the INITRG register. The register block occupies the first 1K byte of the
2K byte block.
REG[15:11] — Internal register map position
MMSWAI — Memory Mapping Interface Stop in Wait Control
These bits specify the upper five bits of the 16-bit registers address.
Normal modes: write once; special modes: write anytime. Read
anytime.
This bit controls access to the memory mapping interface when in
Wait mode.
Normal modes: write anytime; special modes: write never. Read
anytime.
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = Memory mapping interface continues to function during Wait
1 = Memory mapping interface access is shut down during Wait
REG13
5
0
mode.
mode.
Go to: www.freescale.com
Resource Mapping
REG12
4
0
REG11
3
0
2
0
0
1
0
0
Internal Resource Mapping
MMSWAI
Resource Mapping
Bit 0
0
Technical Data
$0011
89

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