LFDAS12XSFT Freescale Semiconductor, LFDAS12XSFT Datasheet - Page 128

• Manufacturer Part Number: LFDAS12XSFT
• Description: HARDWARE MC9S12XS 80-PIN
• Manufacturer: Freescale Semiconductor

Specifications of LFDAS12XSFT

• Module/board Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: -

Memory Mapping Control (S12XMMCV4)
3.1.1
3.1.2
The main features of this block are:
1.
128
Resources are also called targets.
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Unimplemented areas
Mis-aligned address
single-chip modes
Paging capability to support a global 8MB memory address space
Bus arbitration between the masters CPU, BDM
Simultaneous accesses to different resources
Resolution of target bus access collision
MCU operation mode control
MCU security control
Separate memory map schemes for each master CPU, BDM
ROM control bits to enable the on-chip FLASH or ROM selection
Generation of system reset when CPU accesses an unimplemented address (i.e., an address which
does not belong to any of the on-chip modules) in single-chip modes
Aligned address
global address
normal modes
special modes
Logic level “1”
Logic level “0”
local address
Bus Clock
Terminology
Features
MCU
NVM
word
PRR
PRU
Byte
IFR
NS
SS
0x
x
Voltage that corresponds to Boolean true state
Voltage that corresponds to Boolean false state
Represents hexadecimal number
Represents logic level ’don’t care’
8-bit data
16-bit data
based on the 64KB Memory Space (16-bit address)
based on the 8MB Memory Space (23-bit address)
Address on even boundary
Address on odd boundary
System Clock. Refer to CRG Block Guide.
Normal Single-Chip Mode
Special Single-Chip Mode
Normal Single-Chip Mode
Special Single-Chip Mode
Normal Single-Chip Mode
Special Single-Chip Mode
Areas which are accessible by the pages (RPAGE,PPAGE,EPAGE) and not implemented
Port Replacement Registers
Port Replacement Unit located on the emulator side
MicroController Unit
Non-volatile Memory; Flash, Data FLASH or ROM
Information Row sector located on the top of NVM. For Test purposes.
Table 3-1. Acronyms and Abbreviations
S12XS Family Reference Manual, Rev. 1.11
1
(internal, and peripherals) (see
Freescale Semiconductor
Figure 3-1
)