MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 687

• 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

18.5.3.3
In normal expanded mode the external bus will be connected to the application. If the ROMON bit is set,
the internal FLASH provides the data. If the ROMON bit is cleared, the application memory provides the
data (see
Freescale Semiconductor
Figure
ROM Control in Normal Expanded Mode
18-29).
MCU
MCU
Figure 18-29. ROM in Normal Expanded Mode
MC9S12XDP512 Data Sheet, Rev. 2.21
Flash
Application
Application
Chapter 18 Memory Mapping Control (S12XMMCV3)
Memory
Memory
ROMON = 1
ROMON = 0
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