MC9S12XET256MAA Freescale Semiconductor, MC9S12XET256MAA Datasheet - Page 259

• Manufacturer Part Number: MC9S12XET256MAA
• Description: MCU 16BIT 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XET256MAA

• 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: 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): 1.72 V ~ 5.5 V
• Data Converters: A/D 12x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-QFP
• Processor Series: S12XE
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 25
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 8 Channel
• Package: 80PQFP
• Family Name: HCS12X
• Maximum Speed: 50 MHz
• Operating Supply Voltage: 1.8|2.8|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

internal RAM and misaligned XGATE PRR accesses in emulation modes are the only type of access that
are able to produce LSTRB = ADDR0 = 1. This is summarized in
Freescale Semiconductor
Word write of data on DATA[15:0] at an even and even+1
address
Byte write of data on DATA[7:0] at an odd address
Byte write of data on DATA[15:8] at an even address
Word write at an odd and odd+1 internal RAM address
(misaligned — only in emulation modes)
Word read of data on DATA[15:0] at an even and even+1
address
Byte read of data on DATA[7:0] at an odd address
Byte read of data on DATA[15:8] at an even address
Word read at an odd and odd+1 internal RAM address
(misaligned - only in emulation modes)
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
Table 5-20. Access in Emulation Modes and Special Test Mode
Access
MC9S12XE-Family Reference Manual Rev. 1.23
RW LSTRB ADDR0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
Table
0
1
0
1
0
1
0
1
Chapter 5 External Bus Interface (S12XEBIV4)
Out
Out
Out data(odd+1) Out
I/O
5-20.
In
In
In
In
In
DATA[15:8]
data(odd+1)
data(addr)
data(even)
data(even)
data(even)
data(odd)
x
x
Out
Out
I/O
In
In
In
In
In
DATA[7:0]
data(even+1)
data(addr)
data(odd)
data(odd)
data(odd)
data(odd)
data(odd)
x
x
259