MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 1137

• Manufacturer Part Number: MC9S12XD256VAG
• Description: IC MCU 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XD256VAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 119
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 14K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor
Clock Register
Written
Check
Address, Data,
Access Error and
Protection Violation
Check
Simultaneous
Multiple Flash Block
Decision
Command
Bit Polling for
Command Completion
Check
Buffer Empty Check
Read: FCLKDIV register
1.
2.
3.
Figure 27-29. Example Sector Erase Command Flow
yes
Sector Erase Command 0x40
Write: FSTAT register
Clear CBEIF 0x80
START
Write: Flash Sector Address
Write: FCMD register
FDIVLD
and Dummy Data
Set?
Read: FSTAT register
Read: FSTAT register
MC9S12XDP512 Data Sheet, Rev. 2.21
yes
ACCERR/
yes
no
CBEIF
Write: FCLKDIV register
Block?
no
CCIF
Set?
Set?
EXIT
PVIOL
Set?
Flash
Next
no
no
yes
yes
no
Clear ACCERR/PVIOL 0x30
Write: FSTAT register
by 128K
Decrement Global Address
NOTE: FCLKDIV needs to
be set once after each reset.
Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
1139