MC9S12XA512CAG Freescale Semiconductor, MC9S12XA512CAG Datasheet - Page 1140
![IC MCU 512K FLASH 144-LQFP](/photos/12/38/123875/mc9s12xa512cag_sml.jpg)
MC9S12XA512CAG
Manufacturer Part Number
MC9S12XA512CAG
Description
IC MCU 512K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12XA512CAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
S12XA
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
32 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
119
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (10 bit, 24 Channel)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale
Quantity:
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Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale Semiconductor
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Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
27.4.2.6
The sector erase abort operation will terminate the active sector erase operation so that other sectors in a
Flash block are available for read and program operations without waiting for the sector erase operation to
complete.
An example flow to execute the sector erase abort operation is shown in
abort command write sequence is as follows:
If the sector erase abort command is launched resulting in the early termination of an active sector erase
operation, the ACCERR flag will set once the operation completes as indicated by the CCIF flag being set.
The ACCERR flag sets to inform the user that the Flash sector may not be fully erased and a new sector
erase command must be launched before programming any location in that specific sector. If the sector
erase abort command is launched but the active sector erase operation completes normally, the ACCERR
flag will not set upon completion of the operation as indicated by the CCIF flag being set. Therefore, if the
ACCERR flag is not set after the sector erase abort command has completed, a Flash sector being erased
when the abort command was launched will be fully erased. The maximum number of cycles required to
abort a sector erase operation is equal to four FCLK periods (see
Register”) plus five bus cycles as measured from the time the CBEIF flag is cleared until the CCIF flag is
set. If sectors in multiple Flash blocks are being simultaneously erased, the sector erase abort operation
will be applied to all active Flash blocks without writing to each Flash block in the sector erase abort
command write sequence.
1142
1. Write to any Flash block address to start the command write sequence for the sector erase abort
2. Write the sector erase abort command, 0x47, to the FCMD register.
3. Clear the CBEIF flag in the FSTAT register by writing a 1 to CBEIF to launch the sector erase abort
command. The address and data written are ignored.
command.
Sector Erase Abort Command
Since the ACCERR bit in the FSTAT register may be set at the completion
of the sector erase abort operation, a command write sequence is not
allowed to be buffered behind a sector erase abort command write sequence.
The CBEIF flag will not set after launching the sector erase abort command
to indicate that a command should not be buffered behind it. If an attempt is
made to start a new command write sequence with a sector erase abort
operation active, the ACCERR flag in the FSTAT register will be set. A new
command write sequence may be started after clearing the ACCERR flag, if
set.
The sector erase abort command should be used sparingly since a sector
erase operation that is aborted counts as a complete program/erase cycle.
MC9S12XDP512 Data Sheet, Rev. 2.21
NOTE
NOTE
Section 27.4.1.1, “Writing the FCLKDIV
Figure
27-31. The sector erase
Freescale Semiconductor
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