Chapter 3 Memory Mapping Control (S12ZMMCV1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
121
The MMCEC register captures debug information about access violations. It is set to a non-zero value if
a S12ZCPU access violation or an uncorrectable ECC error has occurred. At the same time this register is
set to a non-zero value, access information is captured in the MMCPCn and MMCCCRn registers. The
MMCECn, the MMCPCn and the MMCCCRn registers are not updated if the MMCECn registers contain
a non-zero value. The MMCECn registers are cleared by writing the value 0xFFFF.
3.3.2.3
Captured S12ZCPU Condition Code Register (MMCCCRH, MMCCCRL)
Figure 3-6. Captured S12ZCPU Condition Code Register (MMCCCRH, MMCCCRL)
Read: Anytime
Write: Never
7-4
(MMCECL)
ACC[3:0]
Access Type Field
— The ACC[3:0] bits capture the type of memory access, which caused the access
violation. The access type is captured in form of a 4 bit value which is assigned as follows:
0:
none (no error condition detected)
1:
opcode fetch
2:
vector fetch
3:
data load
4:
data store
5-15: reserved
3-0
(MMCECL)
ERR[3:0]
Error Type Field
— The EC[3:0] bits capture the type of the access violation. The type is captured in form of
a 4 bit value which is assigned as follows:
0:
none (no error condition detected)
1:
access to an illegal address
2:
uncorrectable ECC error
3-15: reserved
Address: 0x0082 (MMCCCRH)
7
6
5
4
3
2
1
0
R
CPUU
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
Address: 0x0083 (MMCCCRL)
7
6
5
4
3
2
1
0
R
0
CPUX
0
CPUI
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
Field
Description
Содержание MC9S12ZVHL32
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Страница 686: ...Chapter 20 ECC Generation module SRAM_ECCV1 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 686 Freescale Semiconductor...
Страница 752: ...Chapter 22 Supply Voltage Sensor BATSV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 752 Freescale Semiconductor...
Страница 774: ...Chapter 23 LIN Physical Layer S12LINPHYV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 774 Freescale Semiconductor...
Страница 788: ...Appendix A MCU Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 788 Freescale Semiconductor...
Страница 794: ...Appendix B ADC Electricals S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 794 Freescale Semiconductor...
Страница 798: ...Appendix D IRC Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 798 Freescale Semiconductor...
Страница 802: ...Appendix F MSCAN Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 802 Freescale Semiconductor...
Страница 806: ...Appendix G NVM Electrical Parameters S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 806 Freescale Semiconductor...
Страница 810: ...Appendix H BATS Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 810 Freescale Semiconductor...
Страница 816: ...Appendix K OSC32K Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 816 Freescale Semiconductor...
Страница 822: ...Appendix L SPI Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 822 Freescale Semiconductor...
Страница 826: ...Appendix M LINPHY Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 826 Freescale Semiconductor...
Страница 829: ...Appendix O Package Information S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 830 Freescale Semiconductor O 1 144 LQFP...
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Страница 832: ...Appendix O Package Information S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 Freescale Semiconductor 833 O 2 100 LQFP...
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