S912XET256J2VAGR Freescale Semiconductor, S912XET256J2VAGR Datasheet - Page 225

• Manufacturer Part Number: S912XET256J2VAGR
• Description: 16-bit Microcontrollers - MCU Watchdog OSC/Timer -40 C to + 105 C HCS12X MCU SPI
• Manufacturer: Freescale Semiconductor

Specifications of S912XET256J2VAGR

• Core: HCS12X
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Package / Case: LQFP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 24
• Interface Type: CAN, SCI, SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 119
• Number Of Timers: 25
• Program Memory Type: Flash
• Supply Voltage - Max: 1.98 V, 2.9 V, 5.5 V
• Supply Voltage - Min: 1.72 V, 2.7 V, 3.13 V

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
Freescale Semiconductor
ROM Control in Special Test Mode
MCU
MCU
MCU
Figure 3-28. ROMON = 0 in Emulation Expanded Mode
MC9S12XE-Family Reference Manual Rev. 1.25
Figure 3-29. ROM in Special Test Mode
Flash
Emulator
Application
Application
Application
Chapter 3 Memory Mapping Control (S12XMMCV4)
Memory
ROMON = 1
Memory
ROMON = 0
Memory
Observer
Figure
3-29).
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