MC9S12XET256CAG Freescale Semiconductor, MC9S12XET256CAG Datasheet - Page 229

• Manufacturer Part Number: MC9S12XET256CAG
• Description: MCU 16BIT 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XET256CAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, 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: 16K x 8
• Voltage - Supply (vcc/vdd): 1.72 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Processor Series: S12XE
• Core: HCS12
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.5.3.5
In special test mode the external bus is connected to the application. If the ROMON bit is set, the internal
FLASH provides the data, otherwise the application memory provides the data (see
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ROM Control in Special Test Mode
MCU
MCU
MCU
Figure 3-28. ROMON = 0 in Emulation Expanded Mode
MC9S12XE-Family Reference Manual Rev. 1.23
Figure 3-29. ROM in Special Test Mode
Flash
Emulator
Application
Application
Application
Chapter 3 Memory Mapping Control (S12XMMCV4)
Memory
ROMON = 0
Memory
ROMON = 1
Memory
Observer
Figure
3-29).
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