Filter
Top Products
Memory Maps and Registers
MVME2500 Installation and Use (6806800L01H)
91
5.5.11 PLD Write Protect and I2C Debug Register
The MVME2500 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. I2C debug ports
are also provided in this register which can be used in controlling the bus’ status.
Table 5-14 PLD Write Protect and I2C Debug Register
REG PLD Write Protect I2C Debug- 0xFFDF0054
Bit76543210
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
RESET01001011
Field Description
MASTER_WP_DISABLED I2C devices manual switch write-protect status
1 - Write-protect enabled
0 - Write-protect disabled
FLASH_WP_N SPI devices manual switch write-protect status
1 - Write-protect disabled
0 - Write-protect enabled