XC68HC12A0CPV8 Freescale Semiconductor, XC68HC12A0CPV8 Datasheet - Page 104
XC68HC12A0CPV8
Manufacturer Part Number
XC68HC12A0CPV8
Description
IC, 16BIT MCU, 68HC12, 8MHZ, TQFP-112
Manufacturer
Freescale Semiconductor
Datasheet
1.MC912D60ACFUE8.pdf
(460 pages)
Specifications of XC68HC12A0CPV8
Controller Family/series
68HC12
No. Of I/o's
68
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
1
Core Size
16 Bit
Program Memory Size
60KB
Peripherals
ADC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Flash Memory
7.11 Flash protection bit FPOPEN
Technical Data
104
CAUTION:
The FPOPEN bit is located in EEMCR – EEPROM Module Configuration
Register, bit 4.
FPOPEN – Opens the Flash array for program or erase
Programming the NVM FPOPEN bit in the SHADOW word ($_FC0, bit
4) means that the FPOPEN bit in the EEMCR register will always be ’0’
in normal modes. The flash array can no longer be modified in normal
modes.
FPOPEN can be read at anytime.
FPOPEN can be written only to ’0’ for protection but not to ’1’ for un-
protect in normal mode.
FPOPEN can be written ’0’ and ’1’ in special mode only.
FPOPEN is loaded at reset from EEPROM SHADOW word bit 4.
When FPOPEN is cleared to ’0’, the Flash array cannot be
reprogrammed in normal modes.
0 = The whole Flash array (32-Kbyte and 28-Kbyte) is protected.
1 = The whole Flash array (32-Kbyte and 28-Kbyte) is enabled for
program or erase
Flash Memory
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
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