MC9S12XET256CAG Freescale Semiconductor, MC9S12XET256CAG Datasheet - Page 247

• 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

Refer to the S12X_MMC section for a detailed description of the MCU operating modes.
5.1.4
Figure 5-1
5.2
The user is advised to refer to the SoC section for port configuration and location of external bus signals.
Table 5-2
and PIM section for reset states of these pins and associated pull-ups or pull-downs.
Freescale Semiconductor
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
External Signal Description
outlines the pin names and gives a brief description of their function. Refer to the SoC section
is a block diagram of the XEBI with all related I/O signals.
Block Diagram
The following external bus related signals are described in other sections:
ECLK, ECLKX2 (free-running clocks) — PIM section
TAGHI, TAGLO (tag inputs) — PIM section, S12X_DBG section
EWAIT
MC9S12XE-Family Reference Manual Rev. 1.23
Figure 5-1. XEBI Block Diagram
XEBI
NOTE
Chapter 5 External Bus Interface (S12XEBIV4)
ADDR[22:0]
DATA[15:0]
IVD[15:0]
LSTRB
RW
UDS
LDS
RE
WE
ACC[2:0]
IQSTAT[3:0]
CS[3:0]
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