MC9S12XET256CAG Freescale Semiconductor, MC9S12XET256CAG Datasheet - Page 234

• 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

Chapter 4 Memory Protection Unit (S12XMPUV1)
4.3.1
This section describes in address order all the MPU module registers and their individual bits.
1. The module addresses 0x0006−0x000B represent a window in the register map through which different descriptor registers
234
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are visible.
MPUDESC0
MPUDESC1
MPUDESC2
MPUDESC3
MPUDESC4
MPUDESC5
MPUASTAT0
MPUASTAT1
MPUASTAT2
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
Reserved
MPUFLG
Register
MPUSEL
0x000A
0x000B
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0008
0x0009
Name
Register Descriptions
(1)
1
1
1
1
1
W
W
W
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
R
R
SVSEN
MSTR0
Bit 7
AEF
WP
0
0
= Unimplemented or Reserved
MC9S12XE-Family Reference Manual , Rev. 1.23
MSTR1
WPF
NEX
6
0
0
Figure 4-2. MPU Register Summary
MSTR2
NEXF
5
0
0
0
MSTR3
HIGH_ADDR[18:11]
LOW_ADDR[18:11]
HIGH_ADDR[10:3]
LOW_ADDR[10:3]
4
0
0
0
0
ADDR[15:8]
ADDR[7:0]
ADDR[22:16]
3
0
0
0
HIGH_ADDR[22:19]
LOW_ADDR[22:19]
2
0
0
Freescale Semiconductor
SEL[2:0]
1
0
0
SVSF
Bit 0
0