MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 121

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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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8.9 Erasing the Flash EEPROM
8.10 Stop or Wait Mode
MC68HC912DT128A — Rev 4.0
MOTOROLA
CAUTION:
This program sequence is repeated throughout the memory until all data
is programmed. For minimum overall programming time and least
program disturb effect, the sequence should be part of an intelligent
operation which iterates per row.
The following sequence demonstrates the recommended procedure for
erasing any of the Flash EEPROM array.
When stop or wait commands are executed, the MCU puts the Flash
EEPROM in stop or wait mode. In these modes the Flash module will
cease erasure or programming immediately.
It is advised not to enter stop or wait modes when program or erase
operation of the Flash array is in progress.
12. After time, t
1. Set the ERAS bit.
2. Write to any valid address in the Flash array. The data written and
3. Wait for a time, t
4. Set the HVEN bit.
5. Wait for a time, t
6. Clear the ERAS bit.
7. Wait for a time, t
8. Clear the HVEN bit.
9. After time, t
Freescale Semiconductor, Inc.
For More Information On This Product,
mode again.
the address written are not important. The boot block will be
erased only if the control bit BOOTP is negated.
Go to: www.freescale.com
RCV
RCV
Flash Memory
, the memory can be accessed in read mode again.
(min 1µs), the memory can be accessed in read
NVS
ERAS
NVHL
.
.
.
Erasing the Flash EEPROM
Technical Data
Flash Memory
121

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