MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 1217

• Manufacturer Part Number: MC9S12XDT256CAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256CAA

• 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: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• 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: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor
Sequential
Programming
Decision
Address, Data,
Access Error and
Protection Violation
Check
Bit Polling for
Buffer Empty
Check
Clock Register
Written
Check
Command
Bit Polling for
Command Completion
Check
Buffer Empty Check
Read: FCLKDIV register
1.
2.
3.
Figure 29-26. Example Program Command Flow
yes
FDIVLD
Write: FCMD register
Program Command 0x20
Write: FSTAT register
Clear CBEIF 0x80
Write: Flash Address
START
and program Data
Set?
Read: FSTAT register
Read: FSTAT register
Read: FSTAT register
MC9S12XDP512 Data Sheet, Rev. 2.21
ACCERR/
yes
yes
CBEIF
no
CBEIF
yes
no
Word?
Write: FCLKDIV register
CCIF
Set?
Set?
Next
PVIOL
Set?
Set?
EXIT
no
yes
no
yes
no
no
Clear ACCERR/PVIOL 0x30
Write: FSTAT register
Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
NOTE: FCLKDIV needs to
be set once after each reset.
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