
Memory Maps and Registers
MVME2502 Installation and Use (6806800R96D)
121
5.5.12 PLD Write Protect and I2C Debug Register
The MVME2502 PLD provides an 8-bit register which is used to indicate the status of I2C and
SPI write-protect manual switches and is used to control the SPI write-enable. The I2C debug
ports are also provided in this register which is used in controlling the bus’ status.
Table 5-15 PLD Write Protect and I2C Debug Register
REG
PLD Write Protect I2C Debug- 0xFFDF0054
Bit
7
6
5
4
3
2
1
0
Field
RSVD
MASTER
_WP_DI
SABLED
FLASH_
WP_N
I2C_DEB
UG_EN
SERIAL_
FLASH_
WP
RSVD
I2C_1_
D
I2C_1_C
OPER
R
R
R
R/W
R/W
R
R/W
R/W
RESET
0
1
0
0
1
0
1
1
Field Description
SPD_WP-
SPD write-protection
0 - SPD Writes enabled
1 - SPD Writes disabled
MASTER_WP-
MASTER WP Switch (S2-6)
0-Switch S2-6 closed. SPI, SPD, VPD, USER FLASH
write enable
1-Switch S2-6 open, register bits control write
protection
USER_WP-
USER FLASH write-protect
1 - USER I2C FLASH writes disabled
0 - USER I2C FLASH writes enabled
Содержание MVME2502
Страница 1: ...MVME2502 Installation and Use P N 6806800R96D December 2014 ...
Страница 12: ...MVME2502 Installation and Use 6806800R96D 12 List of Tables ...
Страница 14: ...MVME2502 Installation and Use 6806800R96D 14 List of Figures ...
Страница 20: ...MVME2502 Installation and Use 6806800R96D About this Manual 20 About this Manual ...
Страница 30: ...MVME2502 Installation and Use 6806800R96D Sicherheitshinweise 30 ...
Страница 38: ...Introduction MVME2502 Installation and Use 6806800R96D 38 Figure 1 3 Serial Number Location ENP2 Variant ...
Страница 52: ...Hardware Preparation and Installation MVME2502 Installation and Use 6806800R96D 52 ...
Страница 54: ...Controls LEDs and Connectors MVME2502 Installation and Use 6806800R96D 54 Figure 3 2 Board Layout ENP2 Variant ...
Страница 108: ...Functional Description MVME2502 Installation and Use 6806800R96D 108 ...
Страница 142: ...Boot System MVME2502 Installation and Use 6806800R96D 142 ...
Страница 154: ...Programming Model MVME2502 Installation and Use 6806800R96D 154 ...
Страница 156: ...Replacing the Battery MVME2502 Installation and Use 6806800R96D 156 Figure A 2 Battery Location ENP2 Variant ...
Страница 162: ...Related Documentation MVME2502 Installation and Use 6806800R96D 162 ...
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