mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 231

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Field2 Bits in Normal and Loop1 Modes
6.4.5.4
Freescale Semiconductor
ADDR[17]
ADDR[16]
PC17
PC16
CRW
CSD
CSZ
CVA
Bit
Bit
3
2
1
0
3
2
1
0
Mode
Access Type Indicator— This bit indicates if the access was a byte or word size when tracing in Detail Mode
0 Word Access
1 Byte Access
Read Write Indicator — This bit indicates if the corresponding stored address corresponds to a read or write
access when tracing in Detail Mode.
0 Write Access
1 Read Access
Address Bus bit 17— Corresponds to system address bus bit 17.
Address Bus bit 16— Corresponds to system address bus bit 16.
Source Destination Indicator — In Normal and Loop1 mode this bit indicates if the corresponding stored
address is a source or destination address. This bit has no meaning in Compressed Pure PC mode.
0 Source Address
1 Destination Address
Vector Indicator — In Normal and Loop1 mode this bit indicates if the corresponding stored address is a vector
address. Vector addresses are destination addresses, thus if CVA is set, then the corresponding CSD is also set.
This bit has no meaning in Compressed Pure PC mode.
0 Non-Vector Destination Address
1 Vector Destination Address
Program Counter bit 17— In Normal and Loop1 mode this bit corresponds to program counter bit 17.
Program Counter bit 16— In Normal and Loop1 mode this bit corresponds to program counter bit 16.
Trace Buffer Organization (Compressed Pure PC mode)
Table 6-40. Trace Buffer Organization Example (Compressed PurePC mode)
Number
Line
Field 3
2-bits
MC9S12VR Family Reference Manual, Rev. 2.2
Preliminary - Subject to Change Without Notice
Table 6-39. PCH Field Descriptions
Figure 6-26. Information Bits PCH
CSD
Bit 3
Table 6-38. Field Descriptions
Field 2
6-bits
Bit 2
CVA
Description
Description
PC17
Bit 1
Field 1
PC16
6-bits
Bit 0
S12S Debug Module (S12SDBGV2)
Field 0
6-bits
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