MC9S12XA512CAG Freescale Semiconductor, MC9S12XA512CAG Datasheet - Page 716
![IC MCU 512K FLASH 144-LQFP](/photos/12/38/123875/mc9s12xa512cag_sml.jpg)
MC9S12XA512CAG
Manufacturer Part Number
MC9S12XA512CAG
Description
IC MCU 512K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12XA512CAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
S12XA
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
32 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
119
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (10 bit, 24 Channel)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Quantity
Price
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Part Number:
MC9S12XA512CAG
Manufacturer:
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Chapter 19 S12X Debug (S12XDBGV2) Module
19.4.2.3.2
In the outside range comparator mode, either comparator pair A and B or comparator pair C and D can be
configured for range comparisons. A single match condition on either of the comparators is recognized as
valid. An aligned word access which straddles the range boundary will cause a trigger only if the aligned
address is outside the range.
Outside range mode in combination with tagged triggers can be used to detect if the opcode fetches are
from an unexpected range. In forced trigger modes the outside range trigger would typically be activated
at any interrupt vector fetch or register access. This can be avoided by setting the upper range limit to
0x7FFFFF or lower range limit to 0x000000 respectively.
When comparing the XGATE address bus in outside range mode, the initial vector fetch as determined by
the vector contained in the XGATE XGVBR register should be taken into consideration. The XGVBR
register and hence vector address can be modified.
19.4.3
Trigger modes are used as qualifiers for a state sequencer change of state. The control logic determines the
trigger mode and provides a trigger to the state sequencer. The individual trigger modes are described in
the following sections.
19.4.3.1
If a comparator match occurs, a trigger occurs to initiate a transition to another state sequencer state and
the corresponding flags in DBGSR are set. For a comparator match to trigger firstly the comparator must
be enabled by setting the COMPE bit in the corresponding comparator control register. Secondly the state
control register for the current state must enable the match for that state. The state control registers allow
for different matches to be enabled in each of the states 1 to 3.
19.4.3.2
If either a CPU or XGATE taghit occurs a transition to another state sequencer state is initiated and the
corresponding DBGSR flags are set. For a comparator related taghit to occur, the DBG must first generate
tags based on comparator matches. When the tagged instruction reaches the execution stage of the
instruction queue a taghit is generated by the CPU/XGATE.
19.4.3.3
In external tagging trigger mode, the TAGLO and TAGHI pins (mapped to device pins) are used to tag an
instruction. This function can be used as another breakpoint source. When the tagged opcode reaches the
execution stage of the instruction queue a transition to the disarmed state0 occurs, ending the debug session
and generating a breakpoint, if breakpoints are enabled. External tagging is only possible in device
emulation modes.
718
Trigger Modes
Trigger On Comparator Match
Trigger On Comparator Related Taghit
External Tag Trigger
Outside Range (Address < CompAC_Addr or Address > CompBD_Addr)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
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