MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 677
MC9S12XDT512CAA
Manufacturer Part Number
MC9S12XDT512CAA
Description
Manufacturer
Freescale
Datasheet
1.MC9S12XDT512CAA.pdf
(1348 pages)
Specifications of MC9S12XDT512CAA
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
59
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/3.15V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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18.4.2.3
The global memory spaces reserved for the internal resources (RAM, EEPROM, and FLASH) are not
determined by the MMC module. Size of the individual internal resources are however fixed in the design
of the device cannot be changed by the user. Please refer to the Device User Guide for further details.
Figure 18-23
the memory spaces have fixed top addresses.
When the device is operating in expanded modes except emulation single-chip mode, accesses to global
addresses which are not occupied by the on-chip resources (unimplemented areas or external memory
space) result in accesses to the external bus (see
In emulation single-chip mode, accesses to global addresses which are not occupied by the on-chip
resources (unimplemented areas) result in accesses to the external bus. CPU accesses to global addresses
which are occupied by external memory space result in an illegal access reset (system reset). BDM
accesses to the external space are performed but the data will be undefined.
In single-chip modes accesses by the CPU (except for firmware commands) to any of the unimplemented
areas (see
unimplemented areas are allowed but the data will be undefined.
No misaligned word access from the BDM module will occur; these accesses are blocked in the BDM
module (Refer to BDM Block Guide).
Misaligned word access to the last location of RAM is performed but the data will be undefined.
Misaligned word access to the last location of any global page (64 Kbyte) by any global instruction, is
performed by accessing the last byte of the page and the first byte of the same page, considering the above
mentioned misaligned access cases.
The non-internal resources (unimplemented areas or external space) are used to generate the chip selects
(CS0,CS1,CS2 and CS3) (see
expanded and special test modes (see
Freescale Semiconductor
Figure
and
Implemented Memory Map
1
2
Table 18-20
18-23) will result in an illegal access reset (system reset). BDM accesses to the
RAMSIZE is the hexadecimal value of RAM SIZE in bytes
EEPROMSIZE is the hexadecimal value of EEPROM SIZE in bytes
Internal Resource
EEPROM
RAM
Table 18-20. Global Implemented Memory Space
show the memory spaces occupied by the on-chip resources. Please note that
Figure
MC9S12XDP512 Data Sheet, Rev. 2.21
18-23), which are only active in normal expanded, emulation
Section 18.3.2.1, “MMC Control Register
EEPROM_LOW = 0x14_0000 minus EEPROMSIZE
RAM_LOW = 0x10_0000 minus RAMSIZE
Figure
18-23).
$Address
Chapter 18 Memory Mapping Control (S12XMMCV3)
(MMCCTL0)).
1
2
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