MC9S12XET256CAG Freescale Semiconductor, MC9S12XET256CAG Datasheet - Page 861

• 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

fault information will be recorded until the specific ECC fault flag has been cleared. In the event of
simultaneous ECC faults, the priority for fault recording is:
All FECCR bits are readable but not writable.
Freescale Semiconductor
Offset Module Base + 0x000E
Offset Module Base + 0x000F
Reset
Reset
1. Double bit fault over single bit fault
2. CPU over XGATE
W
W
R
R
0
0
7
7
ECCRIX[2:0]
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 24-21. Flash ECC Error Results Low Register (FECCRLO)
Figure 24-20. Flash ECC Error Results High Register (FECCRHI)
000
001
010
011
100
101
110
111
0
0
6
6
MC9S12XE-Family Reference Manual , Rev. 1.23
Parity bits read from
Table 24-27. FECCR Index Settings
Flash block
Bits [15:8]
0
0
5
5
Not used, returns 0x0000 when read
Not used, returns 0x0000 when read
Data 1 [15:0] (P-Flash only)
Data 2 [15:0] (P-Flash only)
Data 3 [15:0] (P-Flash only)
FECCR Register Content
0
0
4
4
ECCR[15:8]
Global address [15:0]
ECCR[7:0]
CPU or XGATE
source identity
Data 0 [15:0]
Bit[7]
Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
0
0
3
3
Global address
0
0
2
2
Bits[6:0]
[22:16]
0
0
1
1
0
0
0
0
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