MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 629

• Manufacturer Part Number: MC9S12XD256VAG
• Description: IC MCU 256K FLASH 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XD256VAG

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, 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: 14K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.3.2.10 RAM XGATE Upper Boundary Register (RAMXGU)
Read: Anytime
Write: Anytime when RWPE = 0
17.3.2.11 RAM Shared Region Lower Boundary Register (RAMSHL)
Read: Anytime
Write: Anytime when RWPE = 0
Freescale Semiconductor
Address: 0x011D
Address: 0x011E
XGU[6:0]
SHL[6:0]
Reset
Reset
Field
Field
6–0
6–0
W
W
R
R
XGATE Region Upper Boundary Bits 6-0 — These bits define the upper boundary of the RAM region allocated
to the XGATE module in multiples of 256 bytes. The 256 byte block selected by this register is included in the
region. See
RAM Shared Region Lower Boundary Bits 6–0 — These bits define the lower boundary of the shared memory
region in multiples of 256 bytes. The block selected by this register is included in the region. See
details.
1
1
1
1
7
7
Figure 17-19. RAM Shared Region Lower Boundary Register (RAMSHL)
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 17-18. RAM XGATE Upper Boundary Register (RAMXGU)
Figure 1-25
XGU6
SHL6
1
1
6
6
Table 17-15. RAMXGU Field Descriptions
Table 17-16. RAMSHL Field Descriptions
for details.
MC9S12XDP512 Data Sheet, Rev. 2.21
XGU5
SHL5
1
1
5
5
XGU4
SHL4
1
1
4
4
Description
Description
XGU3
SHL3
1
1
3
3
Chapter 17 Memory Mapping Control (S12XMMCV2)
XGU2
SHL2
1
1
2
2
XGU1
SHL1
1
1
1
1
Figure 1-25
XGU0
SHL0
1
1
0
0
for
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